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Chapter 12 — MULTIFAMILY BUILDINGS—ADDITIONS, ALTERATIONS AND REPAIRS TO EXISTING MULTIFAMILY BUILDINGS

Section 180.4 — WHOLE BUILDING

2025 California Energy Code (Title 24, Part 6) · 2025 edition · updated 2026-07-25 · California

Any addition or alteration may comply with the requirements of Title 24, Part 6 by meeting the requirements for the entire building.

NOTE: Authority: Sections 25213, 25218, 25218.5, 25402 and 25402.1, Public Resources Code . Reference: Sections 25007, 25008, 25218.5, 25310, 25402, 25402.1, 25402.4, 25402.5, 25402.8 and 25943, Public Resources Code .

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CALIFORNIA MECHANICAL CODE, CALIFORNIA CODE OF REGULATIONS, TITLE 24, PART 4, CHAPTER 6, DUCT SYSTEMS

TABLE P4-A ADOPTION TABLE

CODE SECTION AGENCY
Adopt entire Chapter as amended
(amended sections listed below)1
CEC
601.0 X
602.0 X
603.0 X
604.0 X
605.0 X
  1. Adopted by reference for Occupancies A, B, E, F, H, I, L, M, R, S and U; see Sections 110.8(d)3, 120.4 and 150.0(m).

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1-A STANDARDS AND DOCUMENTS

REFERENCED IN THE ENERGY CODE

The following documents are incorporated by reference to the extent they are referenced in the Energy Code.

AIR-CONDITIONING, HEATING AND REFRIGERATION INSTITUTE

AHRI 210/240-2023 (2020) Standard for Performance Rating of Unitary Air Conditioning and Air-Source Heat Pump Equipment

AHRI 310/380-2017 (Formerly ANSI/AHRI 310/380-2014) CSA C744-17) Packaged terminal air-conditioners and heat pumps

AHRI Standard 340/360 2022 (I-P) 2022 Standard for Performance Rating of Commercial and Industrial Unitary Air-conditioning and Heat Pump Equipment

ANSI/AHRI Standard 365 (I-P) 2009 Standard for Performance Rating of Commercial and Industrial Unitary Air-Conditioning Condensing Units

ANSI/AHRI Standard 390-2021 (I-P) 2021 Standard for Performance Rating of Single Package Vertical Air-conditioners And Heat Pumps

ANSI/AHRI Standard 400 (I-P) 2015 Standard for Performance Rating of Liquid to Liquid Heat Exchangers

AHRI Standard 420-2023 (I-P) 2023 Standard for Performance Rating of Forced-circulation Free-delivery Unit Coolers

AHRI Standard 430-2020 (I-P) 2020 Standard for Performance Rating of Central Station Air-handling Unit Supply Fans

AHRI Standard 440 (I-P) 2019 Standard for Performance Rating of Fan-coil Units

ANSI/AHRI Standard 460 2005 Standard for Performance Rating of Remote Mechanical-Draft Air-Cooled Refrigerant Condensers

ANSI/AHRI Standard 550/590-2023 2023 Standard for Performance Rating of Water-Chilling and Heat Pump Water-heating Packages Using the Vapor Compression Cycle

AHRI Standard 560-2023 (I-P) 2023 Standard for Performance Rating of Water-cooled Lithium Bromide Absorption Waterchilling and Water-heating Packages

AHRI Standard 680 (I-P) 2017 Standard for Performance Rating of Residential Air Filter Equipment

AHRI Standard 920 (I-P) with Addendum 1 2020 Standard for Performance Rating of Direct Expansion-Dedicated Outdoor Air System Units

AHRI Standard 1060-2023 (I-P) 2023 Standard for Performance Rating of Air-to-Air Exchangers for Energy Recovery Ventilation Equipment

AHRI Standard 1230-2023 (I-P) 2023 Standard for Performance Rating of Variable Refrigerant Flow (VRF) Multi-split Airconditioning and Heat Pump Equipment

AHRI Standard 1240-2017 (R2023) (I-P) 2017 (R2023) Standard for Performance Rating of Active Chilled Beams

AHRI Standard 125 0 2020 Standard for Performance Rating of Walk-in Coolers and Freezers

AHRI Standard 1360-2022 (I-P) 2022 Standard for Performance Rating of Computer and Data Processing Room Air Conditioners

Available from: Air-Conditioning, Heating and Refrigeration Institute 2311 Wilson Blvd., Suite 400 Arlington, VA 22203 (703) 524-8800

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

AIR-CONDITIONING CONTRACTORS OF AMERICA

ANSI/ACCA 2 Manual J-2016 Manual J—Residential Load Calculation, Eighth Edition

ANSI/ACCA 2 Manual S 2023 Manual S—Residential Equipment Selection, Third Edition

Available from: Air-Conditioning Contractors of America, Inc. 2800 Shirlington Road, Suite 300 Arlington, VA 22206 (703) 575-4477

www.acca.org

AMERICAN ARCHITECTURAL MANUFACTURERS ASSOCIATION

CANADIAN STANDARDS ASSOCIATION

WINDOW AND DOOR MANUFACTURERS ASSOCIATION

AAMA/WDMA/CSA 101/I.S.2/A440-22 North American Fenestration Standard/Specification for windows, doors, and skylights

Available from: AAMA 1827 Walden Office Square, Suite 550 Schaumburg, IL 60173-4268 (847) 303-5664 www.aamanet.org

CSA 5060 Spectrum Way, Suite 100 Mississauga, ON, Canada L4W 5N6 (800) 463-6727

www.csagroup.org

WDMA 2025 M Street, NW, Suite 800 Washington, DC 20036-3309 (202) 367-1157 www.wdma.com

AMERICAN CONFERENCE OF GOVERNMENTAL INDUSTRIAL HYGIENISTS

2024 TLVs and BEIs Threshold Limit Values for Chemical Substances and Physical Agents & Biological Exposure Indices

Available from: ACGIH 1330 Kemper Meadow Drive Cincinnati, Ohio 45240 (513) 742-2020 www.acgih.org

AMERICAN NATIONAL STANDARDS INSTITUTE

ANSI/AMCA Standard 208-18 Calculation of the Fan Energy Index (2018)

ANSI/AMCA Standard 210-16/ASHRAE Standard 51-16 Laboratory Methods of Testing Fans for Certified Aerodynamic Performance Rating

ANSI/AMCA Standard 220-21 Laboratory Methods of Testing Air Curtain Units for Aerodynamic Performance Rating

ANSI/AMCA Standard 500-D-18 Laboratory Methods of Testing Dampers For Rating

ANSI/ASABE S640 JUL2017 (R2022) Quantities and Units of Electromagnetic Radiation for Plants (Photosynthetic Organisms)

ANSI/ASSP Z9.5-2022 Laboratory Ventilation

ANSI/CTA-2045-B: 2021 Modular Communications Interface for Energy Management

ANSI C82.6-2015 (R2020) American National Standard for Lamp Ballasts—Ballasts for High-Intensity Discharge Lamps— Methods of Measurement

ANSI/NEMA WD 6-2021 Wiring Devices—Dimensional Specifications

ANSI Z21.40.4a-1998 (R2022)/CGA 2.94a-M98 (R2022) Performance Testing and Rating of Gas-Fired, Air-Conditioning and Heat Pump Appliances

ANSI Z21.47-2021/CSA 2.3:21 Gas-Fired Central Furnaces

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

ANSI Z83.8-2016/CSA 2.6-2016 (R2021)

Gas Unit Heaters, Gas Packaged Heaters, Gas Utility Heaters and Gas-Fired Duct Furnaces (2016)

Available from:

American National Standards Institute 25 West 43rd Street, 4th floor New York, NY 10036 (212) 642-4900

ANSI/APSP/ICC-5-2011 American National Standard For Residential Inground Swimming Pools (2011 w/Addendum A)

Available from: Association of Pool & Spa Professionals 2111 Eisenhower Ave. Alexandria, VA 22314 (703) 838-0083

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS (NATIONAL PUBLICATIONS)

ASHRAE GUIDELINE 36-2021 High-Performance Sequences of Operation for HVAC Systems

ANSI/ASHRAE Standard 52.2-2017

Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size

ANSI/ASHRAE Standard 55-2023

Thermal Environment Conditions for Human Occupancy

ANSI/ASHRAE Standard 62.1-2022 Ventilation and Acceptable Indoor Air Quality

ANSI/ASHRAE Standard 62.2-2022

Ventilation and Acceptable Indoor Air Quality in Residential Buildings

ANSI/ASHRAE Standard 84-2020 Method of Testing Air-to-Air Heat/Energy Exchangers

ANSI/ASHRAE/IES Standards 90.1-2022 Energy Standard for Sites and Buildings Except Low-Rise Residential Buildings

ANSI/ASHRAE Standard 154-2022 Ventilation for Commercial Cooking Operations

ANSI/ASHRAE Standard 193-2010 (RA2014) Method of Test for Determining the Airtightness of HVAC Equipment

ASHRAE Handbooks

2023 ASHRAE Handbook - HVAC Applications Inch-Pound Edition

2020 ASHRAE Handbook - HVAC Systems and Equipment I-P Edition

2021 ASHRAE Handbook - Fundamentals I-P Edition

Available from: American Society of Heating,

                         Refrigerating and Air Conditioning Engineers

(ASHRAE) 1791 Tullie Circle N.E. Atlanta, GA 30329 www.ashrae.org

AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS (REGIONAL PUBLICATION)

ASHRAE Climatic Data for Region X Arizona, California, Hawaii, Nevada, Publication SPCDX, 1982, ISBN #20002196 and Supplement, 1994, ISBN #20002596

Available from: Order Desk Building News 10801 National Boulevard Los Angeles, CA 90064 (800) 873-6397 or (310) 474-7771 www.bnibooks.com/

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

AMERICAN SOCIETY OF MECHANICAL ENGINEERS

ASME A17.1-2019/CSA B44:19 Safety Code for Elevators and Escalators

ASME A112.18.1-2018/CSA B125.1-18

Plumbing supply fittings

Available from:

ASME

Two Park Avenue New York, NY 10016-5990 (800) 843-2763 http://www.asme.org/

AMERICAN SOCIETY FOR TESTING AND MATERIALS/ASTM INTERNATIONAL

ASTM C55-17 Standard Specification for Concrete Building Brick (2017)

ASTM C177-19e1 Standard Test Method for Steady-State Heat Flux Measurements and Thermal Transmission Properties by Means of the Guarded-Hot-Plate Apparatus

ASTM C272/C272M-18 Standard Test Method for Water Absorption of Core Materials for Sandwich Constructions

ASTM C335/C335M-23 Standard Test Method for Steady-State Heat Transfer Properties of Horizontal Pipe Insulation

ASTM C518-21 Standard Test Method for Steady-State Thermal Transmission Properties by Means of the Heat Flow Meter Apparatus

ASTM C731-15 (2022) Standard Test Method for Extrudability, After Package Aging, of Latex Sealants

ASTM C732-17 (2022) Standard Test Method for Aging Effects of Artificial Weathering on Latex Sealants

ASTM C836/C836M-18 (2022) Standard Specification for High Solids Content, Cold Liquid-Applied Elastomeric Waterproofing Membrane for Use with Separate Wearing Course

ASTM C1167-22 Standard Specification for Clay Roof Tiles

ASTM C1371-15 Standard Test Method for Determination of Emittance of Materials Near Room Temperature Using Portable Emissometers

ASTM C1492-22 Standard Specification for Concrete Roof Tile

ASTM C1549-16 (2022) Standard Test Method for Determination of Solar Reflectance Near Ambient Temperature Using a Portable Solar Reflectometer

ASTM C1583/C1583M-20 Standard Test Method for Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete Repair and Overlay Materials by Direct Tension (Pull-off Method)

ASTM D448-12 (2022) Standard Classification for Sizes of Aggregate for Road and Bridge Construction

ASTM D522/D522M-17 (2021) Standard Test Methods for Mandrel Bend Test of Attached Organic Coatings

ASTM D822/D822M-13 (2018) Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

ASTM D1003-21 Standard Test Method for Haze and Luminous Transmittance of Transparent Plastics

ASTM D1653-13 (2021) Standard Test Methods for Water Vapor Transmission of Organic Coating Films

ASTM D1863/D1863M-05 (2018) Standard Specification for Mineral Aggregate Used on Built-Up Roofs

ASTM D2202-00 (2023) Standard Test Method for Slump of Sealants

ASTM D2370-16 (2021) Standard Test Method for Tensile Properties of Organic Coatings

ASTM D2824/D2824M-18 Standard Specification for Aluminum-Pigmented Asphalt Roof Coatings, Nonfibered and Fibered without Asbestos

ASTM D3468/D3468M-99 (2020) Standard Specification for Liquid-Applied Neoprene and Chlorosulfonated Polyethylene Used in Roofing and Waterproofing

ASTM D3805/D3805M-16 (2023) Standard Guide for Application of Aluminum-Pigmented Asphalt Roof Coatings

ASTM D4798/D4798M-11 (2021) Standard Practice for Accelerated Weathering Test Conditions and Procedures for Bituminous Materials (Xenon-Arc Method)

ASTM D5870-22 Standard Practice for Calculating Property Retention Index of Plastics

ASTM D6083/D6083M-21 Standard Specification for Liquid- Applied Acrylic Coating Used in Roofing

ASTM D6694/D6694M-15 (2023) Standard Specification for Liquid- Applied Silicone Coating Used in Spray Polyurethane Foam Roofing Systems

ASTM E96/E96M-22ae1 Standard Test Methods for Gravimetric Determination of Water Vapor Transmission of Materials

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

ASTM E283/E283M-19 Standard Test Method for Determining the Rate of Air Leakage Through Exterior Windows, Skylights, Curtain Walls, and Doors Under Specified Pressure Differences Across the Specimen

ASTM E408-13 (2019) Standard Test Methods for Total Normal Emittance of Surfaces Using Inspection-Meter Techniques

ASTM E779-19 Standard Test Method for Determining Air Leakage Rate by Fan Pressurization

ASTM E903-20 Standard Test Method for Solar Absorptance, Reflectance, and Transmittance of Materials Using Integrating Spheres

ASTM E972-96 (2021) Standard Test Method for Solar Photometric Transmittance of Sheet Materials Using Sunlight

ASTM E1175-87 (2022) Standard Test Method for Determining Solar or Photopic Reflectance, Transmittance, and Absorptance of Materials Using a Large Diameter Integrating Sphere

ASTM E1677-23 Standard Specification for Air Barrier (AB) Material or Assemblies for Low-Rise Framed Building Walls

ASTM E1680-16 (2022) Standard Test Method for Rate of Air Leakage through Exterior Metal Roof Panel Systems

ASTM E1918-21 Standard Test Method for Measuring Solar Reflectance of Horizontal and Low-Sloped Surfaces in the Field

ASTM E1980-11 (2019) Standard Practice for Calculating Solar Reflectance Index of Horizontal and Low-Sloped Opaque Surfaces

ASTM E2178-21a Standard Test Method for Determining Air Leakage Rate and Calculation of Air Permeance of Building Materials

ASTM E2357-23a Standard Test Method for Determining Air Leakage Rate of Air Barrier Assemblies

ASTM E3087-18 Standard Test Method for Measuring Capture Efficiency of Domestic Range Hoods

Available from: ASTM International

100 Barr Harbor Drive West Conshohocken, PA 19428-2959 (800) 262-1373 or (610) 832-9500

ASSOCIATION OF HOME APPLIANCE MANUFACTURERS

AHAM HRH-2 Jan. 23, 2020 Residential Kitchen Range Hood Performance Test Procedures

AHAM RKRH-CPPG-2022 Residential Kitchen Range Hood Certification Program Procedural Guide (2022) Version 3.1

Available from: Association of Home Appliance Manufacturers 1111 19th Street, NW, Suite 402 (202) 872-5955Washington, DC 20036 www.aham.org

CALIFORNIA HISTORICAL BUILDING CODE

2025 California Building Code

2025 California Electrical Code

2025 California Fire Code

2025 California Mechanical Code

2025 California Plumbing Code Available from: California Building Standards Commission 2525 Natomas Park Drive, Suite 130 Sacramento, CA 95833-2936 (916) 263-0916 www.bsc.ca.gov

CALIFORNIA ENERGY COMMISSION

Appliance Efficiency Regulations

Alternative Calculation Method (ACM) Manual

Available from: California Energy Commission 715 P Street Sacramento, CA 95814 (916) 654-5106 or (800) 772-3300 (in California) www.energy.ca.gov/title24

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

CALIFORNIA DEPARTMENT OF CONSUMER AFFAIRS

Standards for Insulating Material

Available from: California Department of Consumer Affairs Bureau of Household Goods and Services 4244 South Market Court, Suite D Sacramento, California 95834-1243 (916) 999-2041

CERTIFYING ORGANIZATION

CIE 13.3-1995 Method of Measuring and Specifying Colour Rendering Properties of Light Sources

CIE 015-2018 Technical Report: Colorimetry, 4th Edition

COOLING TECHNOLOGY INSTITUTE

CTI ATC-105 (19) Acceptance Test Code for Cooling Towers

CTI ATC-105DS (18) Acceptance Test Code for Dry Fluid Coolers

CTI ATC-105S (11) Acceptance Test Code for Closed-Circuit Cooling Towers

CTI ATC-106 (11) Acceptance Test Code for Mechanical Draft Evaporative Vapor Condensers

CTI STD-201 RS (17) Standard for the Certification of Water-Cooling Tower Thermal Performance

Available from: Cooling Technology Institute 3845 Cypress Creek Parkway, Suite 420 Houston, Texas 77068 PO Box 681807

Houston, TX 77268 (281) 583-4087

COOL ROOF RATING COUNCIL

CRRC-1 (2023) Roof Product Rating Program Manual CRRC-1

HOME VENTILATING INSTITUTE

HVI Publication 915-2020 HVI Loudness Testing and Rating Procedure

HVI Publication 916-2020 HVI Airflow Test Procedure

HVI Publication 920-2020 HVI Product Performance Certification Procedure Including Verification and Challenge

Available from: Home Ventilating Institute 1740 Dell Range Blvd., Suite H, PMB 450 Cheyenne, WY 82009 (855) 484-8368 www.hvi.org

ILLUMINATING ENGINEERING SOCIETY

The IES Lighting Library [TM]

ANSI/IES LM-51-20 Approved Method: Electrical and Photometric Measurement of High Intensity Discharge Lamps an American National Standard

ANSI/IES LM-65-20 (R2023) Approved Method: Life Testing of Single-Based Fluorescent Lamps an American National Standard

ANSI/IES LM-66-20 (R2023) Approved Method: Electrical and Photometric Measurements of Single-Based Fluorescent Lamps an American National Standard

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Available from:

Cool Roof Rating Council 2435 N. Lombard Street Portland, OR 97217 (503) 606-8448 www.coolroofs.org

STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

ANSI/IES LM-79-19 Approved Method: Optical and Electrical Measurements of Solid-State Lighting Products an American National Standard

ANSI/IES LS-1-20 Lighting Science: Nomenclature and Definitions for Illuminating Engineering

ANSI/IES TM-15-20 Technical Memorandum: Luminaire Classification System for Outdoor Luminaires an American National Standard

Available from: Illuminating Engineering Society 120 Wall Street, 17th Floor New York, NY 10005-4026 (212) 248-5000 www.ies.org INTERNATIONAL ASSOCIATION OF PLUMBING AND MECHANICAL OFFICIALS

California Mechanical Code

Available from: International Association of Plumbing and Mechanical Officials 4755 E. Philadelphia St. Ontario, CA 91761 (800) 85-IAPMO (854-2766) www.iapmo.org

INTERNATIONAL CODE COUNCIL

California Building Code

Available from: International Code Council Western Regional Office 3060 Saturn St. Brea, CA 92821 (888) 422-7233 www.iccsafe.org

INTERNATIONAL ORGANIZATION FOR STANDARDIZATION

ISO 5801:2017 Fans—Performance testing using standardized airways

ISO 13256-1:1998 (RA 2012) Water-Source Heat Pumps—Testing and Rating for Performance—Part 1: Water-to-Air and Brine-to-Air Heat Pumps

ISO 13256-2:1998 (RA 2012) Water-Source Heat pumps—Testing and rating for Performance—Part 2: Water-to-Water and Brine-to-Water Heat Pumps

ISO/IEC 17025:2017 General Criteria for the Competence of Testing and Calibration Laboratories

Available from: ISO

Chemin de Blandonnet 8

CP 401

1214 Vernier Geneva, Switzerland

INTERNATIONAL WINDOW FILM ASSOCIATION

Architectural Visual Inspection Standard Window Film (reendorsed 2018)

Available from: International Window Film

Association 1103 A Brookdale St. Martinsville, VA 24112 276-666-4932

NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION

NEMA LSD 57-2023 Polyurethane Foam Application: Lighting Equipment

NEMA SSL 7A-2015 (R2021) Phase Cut Dimming for Solid State Lighting: Basic Compatibility

Available from: 1300 North 17th Street, Suite 1752 Rosslyn, VA 22209 708-841-3200

www.nema.org

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STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

NATIONAL FENESTRATION RATING COUNCIL

ANSI/NFRC 100-2023 Procedure for Determining Fenestration Product U -factors

ANSI/NFRC 200-2023 Procedure for Determining Fenestration Product Solar Heat Gain Coefficients and Visible Transmittance at Normal Incidence

ANSI/NFRC 202-2023 Procedure for Determining Translucent Fenestration Product Visible Transmittance at Normal Incidence

ANSI/NFRC 203-2020 (R2023) Procedure for Determining Visible Transmittance of Tubular Daylighting Devices

NSF INTERNATIONAL (FORMERLY NATIONAL SANITATION FOUNDATION)

NSF/ANSI/CAN 50-2023e Equipment and Chemicals for Swimming Pools, Spas, Hot Tubs, and Other Recreational Water Facilities

Available from: NSF International

PO Box 130140 Ann Arbor, MI 48113 (735) 769-8010

RESIDENTIAL ENERGY SERVICES NETWORK

ANSI/RESNET/ICC 380-2019 Standard for Testing Airtightness of Building Enclosures, Dwelling Unit, and Sleeping Unit Enclosures, Airtightness of Heating and Cooling Air Distribution Systems, and Airflow of Mechanical Ventilation Systems (2019)

Available from: Residential Energy Services Network, Inc. (RESNET) P.O. Box 4561 Oceanside, CA 92052-4561 http://resnet.us/

SAE INTERNATIONAL

SAE J1772_201710 SAE Electric Vehicle and Plug in Hybrid Electric Vehicle Conductive Charge Coupler

SHEET METAL AND AIR-CONDITIONING CONTRACTORS’ NATIONAL ASSOCIATION

Residential Comfort System Installation Standards, Eighth Edition-2016

ANSI/SMACNA 006-2006 HVAC Duct Construction Standards—Metal and Flexible, Third Edition - 2005

Available from: Sheet Metal and Air-Conditioning Contractors’ National Association (SMACNA) 4201 Lafayette Center Drive Chantilly, VA 20151-1209 (703) 803-2980

www.smacna.org

UNDERWRITERS LABORATORIES / UL

UL 181-2013 (R2021) Standard for Safety Factory-Made Air Ducts and Connectors

UL 181A-2013 (R2021) Standard for Safety Closure Systems for Use with Rigid Air Ducts

UL 181B-2013 (R2021) Standard for Safety Closure Systems for Use with Flexible Air Ducts and Air Connectors

UL 723-2018 (R2023) Standard for Safety Test for Surface Burning Characteristics of Building Materials

UL 727-2018 Standard for Safety Oil-Fired Central Furnaces

UL 731-2018 (R2021) Standard for Safety Oil-Fired Unit Heaters

UL 1077-2015 (R2021) Standard for Safety Supplementary Protectors for Use in Electrical Equipment

UL 1574-2004 (R2023) Standard for Safety Track Lighting Systems

UL 1598-2021 Standard for Safety Luminaires

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ANSI/NFRC 400-2023

Available from:

Procedure for Determining Fenestration Product Air Leakage

National Fenestration Rating Council 6035 Ivy Lane, Suite 140 Greenbelt, MD 20770 (301) 589-1776 www.NFRC.org Email: info@nfrc.org

STANDARDS AND DOCUMENTS REFERENCED IN THE ENERGY CODE

UL 1741-2021 Standard for Safety Inverters, Converters, Controllers and Interconnection System Equipment for Use With Distributed Energy Resources

ANSI/CAN/UL 1973-2022 Standard for Safety Batteries for Use in Stationary and Motive Auxiliary Power Applications

UL 2108-2015 (R2023) Standard for Safety Low Voltage Lighting Systems

UL 8750-2015 (R2022) Standard for Safety Light Emitting Diode (LED) Equipment for Use in Lighting Products

ANSI/CAN/UL 9540-2023 Standard for Safety Energy Storage Systems and Equipment

Available from: UL LLC 333 Pfingsten Road Northbrook, IL 60062-2096 (847) 272-8800

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1-B ENERGY COMMISSION DOCUMENTS

INCORPORATED BY REFERENCE IN THEIR ENTIRETY

The following documents published by the California Energy Commission are incorporated by reference in their entirety into the Energy Code.

Referenced appendices for the Building Energy Efficiency Standards for Residential and Nonresidential Buildings, including the Joint Appendices (JA), the Residential Appendices (RA), and Nonresidential Appendices (NA)

Available from: California Energy Commission/Publications 715 P Street Sacramento, CA 95814 (916) 654-5200 (800) 772-3300 (in California) www.energy.ca.gov/title24

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10 CFR 431.465 150.0(p) 10 Horsepower 120.6(d), 120.9(b), 160.4(e) 120-Volt Receptacle 130.5(d), 141.0(b)2P, 160.6(d), 180.2(b)4B 2.5 MMBtu/h 120.6(d), 120.9(a), 160.4(e) 240 Volt Branch Circuit 160.9(a), 160.9(b), 160.9(c), 150.0(n), 150.0(t), 150.0(u), 150.0(v) 240 Volt Heat Pump Water Heater 150.1(c)8, 170.2(d) 2x4 150.0(c), 150.2(a)1, 160.1(b), 180.1(a)1 2x6 150.0(c), 150.2(a)1, 160.1(b), 180.1(a)1 75 Percent 120.2(j), Table 120.2-A, 120.4(d), 120.6(a)3, 120.6(h), 140.3(c), 140.3(d), 140.4(a)2, 140.4(g), 140.4(q), 140.8(b)3, 140.9(b), 141.0(b)D, 150.0(m)5, 150.2(b)D–I, 160.3(b)5, 160.2(c)2, 160.3(d), Table 160.3C, 170.2(b), 170.2(c), 170.2(e), 180.2(b)2

A

Above Grade Wall 140.3(a)9, 150.0(c), 160.1(b) Accent Luminaire 140.6(c)3G, 170.2(e)4 Accent, Display and Feature 140.6(b)4 Acceptance Requirements 10-103(a), 100.1(b), 110.6(a)6, 120.5(a), 120.6(a)7, 120.6(b)6, 120.6(c)8, 120.6(e)8, 120.6(f)5, 120.6(g)2, 120.6(i)4, 130.4(a), 140.9(b)3, 140.9(c)3-4, 160.3(d)1-2, 160.5(e)1 Acceptance Test Technician Certification Provider 10-103(a)4B, 10103.1(a), 10-109(i)B, 120.5(b), 130.4(c), 160.3(d)3, 160.5(e)3 Acceptance Testing 10-103(a)4, 10-103.1(a-b), 10-103.1(c)3, 10-103(e), 10-103.2(a-b), 120.5(b), 130.4(c), 141.0(b)2I, 141.0(b)2L, 160.3(d)3, 160.5(e)3, 180.2(4)B2 Actual Outdoor Lighting Power 140.7(a), 170.2(e)6 Addition Or Alteration 120.6(b)1–4, 140.9(b)1–2, 150.2(c), 180.4 Additional Credit 141.0(b)3C, 150.2(b)2, 180.2(c)2 Additional Fan Power Allowances 141.0(b)2C, Table 141.0-D Additional Multifamily Lighting Power Allowance for Specific Applications Table 170.2-S Additions 10-103(a)1C, 2A, 3D, 10-103(d)2, 10-106(a), 100.0(e)3, Table 100.0-A, Table 110.2-E, 120.0, Table 120.2-A, 120.6(c), 120.6(e), 130.0(a-b), 140.0, 140.6(a), 140.7(a), 141.0, 141.0(a), 141.1, 141.1(b–c), 150.0,150.1(a–b), 150.2, 150.2(a, c), 160.0, Table 160.3-C, 160.5(b), 170.0(a), 170.2(e)6A, 180.0, 180.1(a–b), 180.4 Adiabatic Gas Cooler 120.6(a)8, 120.6(b)5 Adjusted Indoor Lighting Power 140.6, 140.6(a)2 Adjustment Credits 180.2(b) Adjustment Factor 130.4(a, b, d), 140.6(a)2, 4, 140.6(c)3G, H, Table 140.6-A, Table 140.6E, 150.1(c)14, Equation 150.1-C, Table 150.1-C, 160.5(e)1-2, 170.2(e)2B, D,

INDEX

170.2(e)4B, Table 170.2-L, Table 170.2-O, 170.2(f), Equation 170.2-C, Table 170.2-T Adjustments 110.9(b)2D, 120.8(g), 130.1(d)5, 140.4(c)3, 140.6(a), 140.6(b)3A, 140.6(b)3A-C, 160.5(b)4D, 170.2(c)4A, 170.2(e)2, 3C, D Aerosol Sealant 120.4(a), 120.4(b)2A, F, 150.0(m)1D, 150.0(m)3A, F, 160.3(b)5A, C, 160.3(c)2A, C Aged Solar Reflectance 10-113(a), 110.8(i)13, 140.3(a)1A, Table 140.3A-D, 141.0(b)2B, Table 141.0-B, 150.1(c)11, Table 150.1-A, 150.2(b)1, 170.2(a)1A, Table 170.2-A, 180.2(b)1, Table 180.2-A Aged Solar Reflectance Insulation Trade Off Table Table 150.2-B Aggregate Horticultural Lighting 120.6(h) Agricultural Building 140.6(a)3P Air

50.0(m)3A, F, 160.3(b)5A, C, 160.3(c)2A, C Aged Solar Reflectance 10-113(a), 110.8(i)13, 140.3(a)1A, Table 140.3A-D, 141.0(b)2B, Table 141.0-B, 150.1(c)11, Table 150.1-A, 150.2(b)1, 170.2(a)1A, Table 170.2-A, 180.2(b)1, Table 180.2-A Aged Solar Reflectance Insulation Trade Off Table Table 150.2-B Aggregate Horticultural Lighting 120.6(h) Agricultural Building 140.6(a)3P Air

Air- or water-cooled fluid coolers 120.6(a)4E, 120.6(a)8G, 120.6(b)1A, 120.6(b)5G Air-cooled chiller Table 110.2-D, 140.4(j), 170.2(c)4H Air-cooled gas cooler 120.6(a)8, 120.6(b)5 Air-permeable insulation 150.0(g), 160.1(d)2 Air-side economizer 10-103.1(c)3B, 140.4(m), 170.2(c)4K Air-source heat pump 150.1(c)7, 150.2(b)1F, 170.2(c)3B, 180.2(b)2A Barrier 140.3(a)9, Table 140.3-B, Table 140.3-C, 140.9(a)3, 150.0(m)10, 150.2(a)1A, 160.3(b)5J, 180.1(a)1A Changes 120.1(d)2, 160.2(c)5B Changes per hour (ACH) 150.0(o)1C, Equation 150.0-C Classification 120.1(g), 160.2(c)8 Conditioner 10-103.2(b)1B, 110.2(b-c), Table 110.2-A, E, G, L, M, 120.2(b)4, 120.6(j), 120.10(a), 140.4(a)2, 140.4(k)5, 141.0(b)2C, E, 150.0(h)3, 150.1(c)7A, 150.2(b)1E, 150.2(b)1F, 160.3(a)2B, 160.3(b)3 , 170.2(c)3, 4, 180.2(b)2A, B Containment 140.9(a)3 Cooled air conditioner 150.1(c)7, 150.2(b)1F, 170.2(c)3B, 180.2(b)2A Cooled condenser Table 110.2-F, 120.6(a)4, 7, 120.6(b)1, 140.4(h), 170.2(c)4f Damper 140.4(e)2, 150.0(o)1B, 160.2(b)2A, 170.2(c)4C Density correction factors Table 140.4-C, Table 170.2-D Distribution system 10-103.1(c)3B, 120.1(a), 120.2(j), 120.4(a), 140.4(f), 150.0(m), Table 150.2-D, 160.2(a)2, 160.3(A)2I, 160.3(B), 160.3(C)2, 170.2(C)4D Economizer 10-103.2(b)B, 120.1(d)3, 120.2(i), 120.5(a)4, 140.4(e), Table 140.4-E, G, 140.9(a)1A, 141.1(b)1A,160.2(c)5C, 160.3(a)2H,

160.3(d)1D, 170.2(c)4C, Table 170.2E-2, Table 170.2-G Film 120.4(c, e), 150.0(m)4, 150.0(m)6, 160.3(b)5, 160.3(c)2 Filter 120.1(c)1, 150.0(m)12, 150.0(m)13B, T, Table 150.0-B, C, 150.1(c)7, 150.2(b)1F, 150.2(b)1M, 160.2(b)1, 160.3(b)5, Table 160.3-A, Table 160.3-B, 170.2(c)3B, 180.2(b) Filtration 120.1(c)1, 140.4(e)1, 140.9(c)3B, 150.0(m)12, 150.0(o)1D, 150.2(b)1, 160.2(b)1, 160.2(b)2A, 160.2(c)1, 170.2(c)4C, 180.2(b)5 Handler 120.2(i), 120.4(a), 120.4(g), 120.5(a)12, 140.4(e)1, 141.0(b)2D, 141.0(b)2E, 150.0(a), 150.0(m)1, 150.0(m)11, 150.0(m)13, 150.0(o)1B, 150.1(b)3B, 150.1(c)1, 150.1(c)9, Table 150.1-A, 150.2(b)1C, 150.2(b)1D, 150.2(b)1E, 160.2(b)2A, 160.3(a)2H, 160.3(b)5A,160.3(b)5K-L, 160.3(c)2, 170.1(d)2, 170.2(c)3B, 4C, Table 170.2-K, 180.2(b)2 Infiltration 110.6(a)1, 150.0(m)1B, 160.3(b)5A Leakage 10-111(a), 110.6(a)1, 110.7, 140.3(a)9, 140.4(b)5, 141.0(b)2Q, 150.0(a)3, 150.0(k)1C, 150.0(m)7, 150.1(b)3B, 160.1(a)1, 160.3(b)G, 160.5(a)1C, 170.1(d)2H, 170.2(c)2E

(c)1, 150.1(c)9, Table 150.1-A, 150.2(b)1C, 150.2(b)1D, 150.2(b)1E, 160.2(b)2A, 160.3(a)2H, 160.3(b)5A,160.3(b)5K-L, 160.3(c)2, 170.1(d)2, 170.2(c)3B, 4C, Table 170.2-K, 180.2(b)2 Infiltration 110.6(a)1, 150.0(m)1B, 160.3(b)5A Leakage 10-111(a), 110.6(a)1, 110.7, 140.3(a)9, 140.4(b)5, 141.0(b)2Q, 150.0(a)3, 150.0(k)1C, 150.0(m)7, 150.1(b)3B, 160.1(a)1, 160.3(b)G, 160.5(a)1C, 170.1(d)2H, 170.2(c)2E

Permeance 140.3(a)9 Quality classification 120.1(g)7, 160.2(c)8G Release valve 110.3(c)4A Sealing 150.2(a)1A, 180.1(a)1A Supply 120.2(f), 120.6(e)4, 140.4(d)2, 160.3(a)2E, 170.2(c)4B Ventilation 10-103.2(b)1B, 10-103.2(c)3B, 120.1(a)2, 120.1(d)4, 120.1(f)2, 120.5(a)1, 140.4(b)4, 150.0(o)1B, 160.2(a)2, 160.2(b)2A, 160.2(c)5D, 160.2(c)7B, 160.3(d)1A, 170.2(c)2D Air Conditioners and Condensing Units – Minimum Efficiency Requirements Table 110.2-A Air Conditioning Contractors of America (ACCA) ACCA Manual J 150.0(h), 160.3(b)1 Air Economizer High Limit Shut Off Control Requirements Table 140.4-G, Table 170.2-G Air Movement and Control Association (AMCA) Standard 500-D 140.4(e)2D, 170.2(c)4C Air-conditioning, Heating, and Refrigeration Institute (AHRI) AHRI Standard 680 120.1(c)1, 150.0(m)12, Table 150.0-B, Table 150.0-C, 160.2(b)1, Table 160.3-A, Table 160.3-B Air-Cooled Gas-engine Heat Pumps Table 110.2-C

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Airflow 120.1(c)4, 120.6(a)3, 140.9(c)1, 141.0(b)2D, 150.0(m)11, 150.1(c)12, 150.1(c)13, 150.2(a), 150.2(b)1D, 150.2(b)1E Balancing 140.4(c)3, 170.2(c)4A Measurement 150.0(o)1, 160.2(b)2A Rate 120.1(c)1, 3, 120.1(d)3, 120.4(g)1, 120.6(j)3, 140.4(d)2, 140.4(o), 140.4(q), 140.9(b), 141.0(b), 150.0(m)12, 150.0(m)13, 150.0(o), 150.1(b)3, 150.1(c)10, 150.1(c)7, 150.2(a)1C, 150.2(a)2C, 150.2(b)1F, M, 160.2(b)1, 160.2(b)2, 160.2(c)3, 5, Table 160.2-D, 160.3(b)5L, 160.3(c)2H, Table 160.3-A, Table 160.3-B, 170.1(d)2F, 170.2(c)3-4, 180.1(a)2A, 180.1(b)3A, 180.2(b)2, 5 Airport 120.6(g) Airstreams or Sources

[ASHRAE 62.1:Table 5.16.1] Table 120.1-C, Table 160.2-D Airtightness 150.0(k)1C, 160.5(a)1C Aisle Way 130.1(c)6 Allotment 140.6(b)3, 140.6(c), 170.2(e)3-4 Alterations 10-103(a), 10-103(d)2, 10-106(a), 100.0(e), 100.0-A, Table 120.2-A, 120.6(c), 120.6(e), 130.0(a), 130.0(b), 140.0(c), 141.0, 141.0(b), 141.0(d), 141.1(b-c), 150.0, 150.1(a), 150.1(b)2, 150.2(b), 160.0, Table 160.3-C, 160.5(b), 170.0(a), 180.0, 180.2, 180.2(b) Altered 141.0(b)2C Altered Components 141.0(a)2, 150.2(a)2B, 150.2(b)2A, 180.1(b)2, 180.2(a), 180.2(c) Altered Duct System 141.0(b)2D, 150.2(b)1D, 160.3(d)1, 180.2(b)2A Altered Fenestration Maximum U-Factor and

Maximum RSHGC Table 180.2-B Altered Luminaire 141.0(b)2I, 141.0(b)L, 150.2(b)1K, 180.2(b)4 Altered Ventilation System 150.2(b)1M, 180.2(b)5B Altered Vertical Fenestration

Maximum U-Factor and

Maximum RSHGC Table 141.0-A Alternate Lighting Sources 140.8(b), 170.2(e)7B Alternating Current-Output Uninterruptible Power Supplies (UPS) 140.9(a)4 Alternating Current-Output Uninterruptible Power Supply Minimum Average Efficiency Table 140.9-B Alternative Calculation Method (ACM) Approval Manual 150.1(b) Alternative Plumbing 110.10(b)1A , 110.10(b)1B Alternative Procedure 10-109(h), 150.1(c)7 , 150.2(b)1F, 170.2(c)3B, 180.2(b)2A Aluminum-pigmented 110.8(i)4B Ambient Air 120.7(a-c) , 140.3(a)7 , 141.0(b)1 , 141.0(b)1C, 150.0(a), 150.0(c), 150.0(d), 160.1(a), 160.1(b), 160.1(c), 170.2(a)4, 170.2(d)2F, 180.2(a) American National Standards Institute (ANSI) 150.0(m)1 , 150.0(p) ANSI/AHRI 110.2(a) ANSI/AMCA 208-18 Annex C 120.10(a) ANSI/CTA-2045-B 150.2(a)1D, 150.2(b)1H, 180.2(b)3C

ANSI/SMACNA-006-2006 120.4(a), 150.0(m)1A, 160.3(b)5A, 160.3(c)2A ANSI C82.6-2015 140.8(b)2, 170.2(e)7B American Society For Testing and Materials International (ASTM) ASTM 732 120.4(b)2, 120.4(b)2B, 120.4(c), 150.0(m)3, 150.0(m)3B, 160.3(b)5C, 160.3(c)2C, 160.3(c)2C ASTM C177 120.4(c), 150.0(m)4, 160.3(b)5D, 160.3(c)2D ASTM C272 110.8(g)1, 150.0(f) ASTM C335 120.3(a), 160.3(c)1, 160.3(c)1B ASTM C518 120.4(c), 150.0(m)4, 160.3(b)5D, 160.3(c)2D ASTM C731 120.4(b)2B, 150.0(m)3B, 160.3(b)5C, 160.3(c)2C ASTM C732 120.4(b)2B, 150.0(m)3B, 160.3(b)5C, 160.3(c)2C ASTM C836 110.8(i)4 ASTM C1371 110.8(j) ASTM C1583 110.8(i)4 ASTM D822 110.8(i)4 ASTM D1003 140.3(a)6, 140.3(c)5, 170.2(a)3B, 170.2(b) ASTM D2202 120.4(b)2B, 150.0(m)3, 160.3(b)5C, 160.3(c)2C ASTM D2824 110.8(i)4 ASTM D3468 110.8(i)4 ASTM D3805 110.8(i)4 ASTM D5870 110.8(i)4 ASTM D6694 110.8(i)4 ASTM E96 110.8(g)1, 150.0(f) ASTM E283 110.6(a)1, 140.3(a)9, 140.3(a)9B, 150.0(k)1, 150.0(k)1C, 160.5(a)1, 160.5(a)5 ASTM E408 110.8(j) ASTM E903 140.3(d)2E, 140.3(d)3F ASTM E972 110.6(a)4, 140.3(a)5, 170.2(a)3A ASTM E1175 140.3(d)2F ASTM E1677 140.3(a)9 ASTM E1680 140.3(a)9 ASTM E1980-01 110.8(i)3 ASTM E2178 140.3(a)9 ASTM E2357 140.3(a)9 American Society Of Heating, Refrigerating, and Air Conditioning Engineers (ASHRAE) 120.1(c)2 , 120.1(g) ASHRAE 52.2 120.1(c)1, 150.0(m)12, Table 150.0-B, Table 150.0-C, 160.2(b)1, 160.2(c)1, Table 160.3-A, Table 160.3-B

ASHRAE 62.2 Sections 7.1 and 7.2 150.2(b)1M, 180.2(b)5B ASHRAE climatic data 140.4(b)3, 150.0(h)2, 160.3(b)2, 170(c)2C ASHRAE Handbook 110.3(a)1, 110.3(c)1, 140.4(b)1, 140.4(b)2, 140.4(b)7, 140.4(b)9, 150.0(h), 160.3(b)1, 170.2(c)2 ASHRAE Standard 52.2 120.1(c)1B, 150.0(m)12, Table 150.0-B, Table 150.0-C, 160.2(b)1, 160.2(c)1B, Table 160.3-A, Table 160.3-B ASHRAE Standard 55 140.4(b)2, 170.2(c)2B ASHRAE Standard 62.2 150.0(o), 160.2(b)2

)1M, 180.2(b)5B ASHRAE climatic data 140.4(b)3, 150.0(h)2, 160.3(b)2, 170(c)2C ASHRAE Handbook 110.3(a)1, 110.3(c)1, 140.4(b)1, 140.4(b)2, 140.4(b)7, 140.4(b)9, 150.0(h), 160.3(b)1, 170.2(c)2 ASHRAE Standard 52.2 120.1(c)1B, 150.0(m)12, Table 150.0-B, Table 150.0-C, 160.2(b)1, 160.2(c)1B, Table 160.3-A, Table 160.3-B ASHRAE Standard 55 140.4(b)2, 170.2(c)2B ASHRAE Standard 62.2 150.0(o), 160.2(b)2

American Society of Mechanical Engineers (ASME) ASME A17.1/CSA B44 120.6(g) Americans with Disabilities Act (ADA) 140.7(a) , 170.2(e)6A Ampere Rating 110.9(c), 110.9(d), 130.0(c)6B, 160.5(b)1F Ancillary Filtration 120.1(c)1A, 150.0(m)12, 160.2(b)1, 160.2(c)1 Ancillary Spaces 120.1(g)5, 160.2(c)8 Annual Energy 120.6(h)1, 140.4(e)2A, 140.4(g), 170.2(c)4 Aperture 140.6(a)4, 170.2(e)2D Appliance 10-103(a), 110.0 , 110.0(a), 110.0(b), 110.1, 110.1(a-c), 110.2(c), 110.3(b), 110.4(a)1, 110.5(b), 110.10(b)1, 110.11(a), 120.6(a), 120.6(b), 120.6(h), Table 130.5-B, 140.6(a)3, 140.8(b), 140.9(b), 150.0(e), 150.0(o)1K, 150.0(p)1A, Table 150.0-A, Table 150.0-E, 150.1(c), 150.2(b)1J, 160.1(f), 160.2(b), Table 160.2-D, Table 160.5-A, Table 160.6-B, 170.2(c), 170.2(e), 180.2(b) Appliance Efficiency Regulations (Title 20) 110.0(b) , 110.1(a), 110.1(b), 110.11(a), 110.3(b), 120.6(a), 140.6(a)3J, T, 140.8(b)5, 140.8(b)6, 150.0(p), 150.1(c)7, 170.2(c), 170.2(c)3, 170.2(e)2, 7 Approved Calculation Method 10-104, 100.0(g), 150.1(b)3, 150.1(c)1, 170.1(d) Architectural Features 110.10(b)3, 140.3(c), 170.2(b) Area Weighted Average 140.3(a)3, 140.3(a)5, 140.3(a)6, 140.3(c), 141.1(b)1, 150.0(a)1, 150.0(q), 150.1(c)3, 150.1(c)5, 160.1(a-e), 170.2(a)2, 170.2(a)3, 180.2(a)2, 180.2(a)3 Asbestos 141.0(b)2D, 141.0(b)2E, 141.0(b)2I, 150.2(b)1D, 150.2(b)1E, 150.2(b)1J, 180.2(b)1B, 180.2(b)2, 180.2(b)4B Asphalt Roof Coatings 110.8(i)4 Asphalt Shingles 110.8(i)1 Assemblies 140.3(a)9, 150.0(c), 150.1(c)1, 150.2(a)1, 150.2(b)1, 160.1(b)3, 170.2(a)1B, 180.1(a)1B, 180.2(b)1A Athletic Field 140.7(a), 170.2(e)6A Attached Dwelling Unit 150.0(o), 160.2(a), 160.2(b), 160.2(b)2, 180.0 Attic 100.0(e)4, 110.8(d), 110.8(d)1, 120.7(a)3B, 150.0(a), 150.0(g)2, 150.0(j), 150.0(m)1B, 150.1(c)1, 150.2(a)1B, 150.2(b)1, 160.1(a), 160.1(e), 160.3(b), 160.4(f), 170.2(a)1B, 170.2(c)3B, 180.1(a)1B, 180.2(b)1-2, 180.2(c) Attic Access 150.0(a), 160.1(a) Attic Roof 160.1(a), Table 170.2-A, 180.2(b)1B Attic Ventilation 120.7(a)3, 150.2(b)1J, 160.1(a)2C, 180.2(b)1 Audio Equipment 140.6(c)2 Authorized Personnel 120.2(c), 130.1(a)1, 130.1(d), 140.6(a)2J, 160.5(b)4, 170.2(e)2B Automated Baffles 140.3(a)6, 170.2(a)3B Automatic Closing device 140.4(n), 170.2(c)4L Controls 120.2(e), 130.1(c)8, 130.5 (d)4, 140.3(a)5, 140.3(a)6, 150.1(c)3, 170.2(a)3A Dampers 150.0(m)7

300 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

Demand shed controls 120.2(b), 120.2(h), 120.5(a)10, 160.3(a)2, 160.3(a)2B, 160.3(d)1 Door closer 120.6(a)9 Fault detection 120.5(a)12, 120.6(i)2, 160.3(d)1L Shut off control 130.1(c)1, 130.1(c)2, 130.2(c)4, Table 141.0-F, 160.5(a)2, 160.5(b)4, Table 180.2-E Valve 140.4(k)5, 170.2(c)4I Automatically Restart 120.2(e)2, 160.3(a)2 Automatically Shutting Off 120.2(e)1, 130.1(c)1A, 130.2(c)1, 130.5(d)1, 160.3(a)2, 160.5(b)4C, 150.5(c)2A, 160.6(d)1 Automatically Turn Off 130.1(c)6D, 160.5(b)4 Automatic-Off 150.0(k)2, 160.5(a)2 Automatic-On 110.9(b)4 , 130.1(f), 160.5(b)4F AUXILIARY POOL LOAD 150.0(p) Average U-Factor 120.7(a), 120.7(b), 140.3(a), 141.0(b)1, 150.0(a)1-2, 150.0(q)2, 150.1(c), 160.1(a), 160.1(b), 160.1(c), 160.1(e), 170.2(a)2-3, 180.2(a) Azimuth 110.10(b)2, 150.1(c)14, 170.2(f)

B

Backdraft Dampers 150.0(M)7, 160.3(B)G Backflow Prevention 110.3(c)4 Backup Capabilities 110.9(b)1 Backup Tank 110.3(c)3, 110.8(d)2 Backwash Valve 150.0(p) Base Flashing 141.0(B)2B, 150.2(B)1I, 180.2(b)1A Basis of Design 120.8(a), 120.8(c) Battery Storage Capacity Factors Table 140.10-B, Table 170.2-V Battery Storage System 10-115, 140.1(A), 140.1(b), 140.10(b), 150.1(b)1, 150.1(c)14, 170.1(a), 170.1(b), 170.2(f), 170.2(h), 180.1 Bedroom Table 120.1-A, 150.0(K)1, 150.0(o)1C, 150.1(c)8, 160.2(b)2A, 160.5(a)1E, 2F, Table 170.2-S Below Grade Wall 150.1(C)1 Belt-driven Fan 140.4(C)3, 170.2(C)4A Beverage Store 120.6(b) Bilaterally Symmetric 130.2(c)3 Boiler Table 110.2-J, 110.3(C)4, Table 120.2-A, 120.5(a)8, 120.6(d), 120.6(i), 120.9, 140.4(a), 140.4(k), 141.0(a), 141.0(c), 160.3(d)1H, Table 160.3-C, 160.4e, 170.2(c)1, 170.2(c)3A, 170.2(c)4 Boiler Combustion Air Fan 120.6(D)2, 120.9(b), 160.4(e)2 Boiler Isolation 140.4(K)3, 170.2(C)4I Boiler System Efficiency 140.4(k)8 Booster 110.3(c)1 Branch Circuit 130.0(C)6, 130.5(C), 141.0(b)2P, Q, R, 150.0(n), 150.0(s), 160.4(a), 160.5(b), 160.6(c), 160.9(a), 160.9(b), 160.9(c)1, 180.2(b)4B Branch Circuit Conductor 130.5(C), 150.0(tv), 160.6(c), 160.9(a-c) BTU/HR 110.2(D), 110.3(C)1, 110.3(C)3, 110.3(c)6, 110.5(b), 110.8(d)2, 120.2(i), 120.6(a), 120.6(b)2B, 120.6(i), 120.6(j)3, 140.4(a)2, 140.4(e)1, 140.4(k)4, Table 140.4-I, 150.0(n)4, 150.1(c)6, 150.1(c)8, 160.3(a)2H, 160.4(a), 160.4(d), 170.2(c)3-4, Table 170.2-K

160.5(b), 160.6(c), 160.9(a), 160.9(b), 160.9(c)1, 180.2(b)4B Branch Circuit Conductor 130.5(C), 150.0(tv), 160.6(c), 160.9(a-c) BTU/HR 110.2(D), 110.3(C)1, 110.3(C)3, 110.3(c)6, 110.5(b), 110.8(d)2, 120.2(i), 120.6(a), 120.6(b)2B, 120.6(i), 120.6(j)3, 140.4(a)2, 140.4(e)1, 140.4(k)4, Table 140.4-I, 150.0(n)4, 150.1(c)6, 150.1(c)8, 160.3(a)2H, 160.4(a), 160.4(d), 170.2(c)3-4, Table 170.2-K

Building Cavities 120.4(a), 150.0(m)1, 160.3(b)5A, 160.3(c)2A Commissioning 120.8 Components 110.0, 120.8(g), 140.3(a), 141.0(b)2Q Design 10-103, 10-105, 120.8, 140.10(a), 150.19(c)14, 160.2(a), 160.2(b)2A, 170.2(f), 170.2(g) Enclosure air leakage 150.1(b)3 Energy use 140.4(f), 170.2(c)4D Envelope 100.0(b), 100.0(f), 110.7, 120.0, 120.6(h)4, 120.8(b), 120.8(c), 140.3, 140.3(d)2, 141.0(b)2P, 141.1(c)2, Table 150.1-A, 160.1 Facade 130.2(b), 130.2(c)3, Table 140.7-B, 160.5, Table 170.2-S Loads 140.4(f), 140.4(k)4, 140.4(p)4, 170.2(c)4D, 170.2(c)4I, 170.2(c)4N Model 150.1(b)3 Permit 10-103(a), 10-103(b), 10-104(a), 10-105(c), 10-107(a), 10-109(c)2, 10115(a, c), 100.0(a)2, 140.6(a)2C, 150.1(b)3, 150.2(b)1M, 170.1(d), 170.2(e)2B, 180.2(b)5B, Plan 140.3(c), 170.2(b)2 Roof space 140.10(a)1, 150.1(c)14, 170.2(f), 170.2(g) Shell 140.3(a)9C, 141.0(b)2O, Q Bureau of Household Goods and

Services 110.8 Bypass Duct 150.1(c)13, 170.2(c)3

Calculated Design Loads 140.4(B)11, 170.2(c)2K Calculations 10-103(A)1A, 110.8(I)3, 120.7(a)3, 140.3(a)9, 140.4(b), 140.4(k)8, 140.5(c), 140.10(a)2A, 150.1(c)14, 150.2(a)1D, 170.2(c)2, 170.2(d)3A, 170.2(e)6D, 170.2(f), 170.2(g), 180.1(b) Calibration 10-103.1(C)3B, 10-111(D)5A, 120.1(d)4F, 120.6(d)7, 130.1(d), 140.4(e)2D, 140.9(c)3, 160.2(c)5D, 160.5(b), 170.2(c)4C Calibration Mode 110.9(b)2 California Building Code (CBC) 110.8(C), 120.1(C)3, 130.1(a), 150.1(c)4, 150.2(a), 150.2(b), 160.2(c)3, 160.5(b)4, 180.2(b)1B Electrical Code (CEC) 130.1(C)1, 130.5(A), 130.5(b), 130.5(c), 130.5(e), 140.6(a)3V, 141.0(b)2P, 150.0(k)1C, 150.0(n), 150.0(s), 150.0(t), 150.0(u), 150.0(v), 160.5(a)1, 160.5(b), 160.6(c), 160.6(e), 160.9(a-c), 170.2(e)2C, 180.2(b)4B Historical Building Code 140.6(A)3Q, 140.7(a), 140.7(c), 170.2(e)2C Mechanical Code (CMC) 110.8(D)3, 120.1(A), 120.4(a), 120.4(g)2, 140.4(b)1, 140.4(b)2, 140.4(b)3, 140.4(b)7, 140.4(q), 141.0(b)2D, 150.0(e), 150.0(m)1, 150.0(o), 150.1(c)9, 160.1(f)3, 160.3(b)5A-F, 160.3(c)2 Plumbing Code (CPC) 110.3(A), 110.3(C)1, 110.3(c)4, 110.10(b)1,

INDEX

110.10(b)1, 120.6(e)4, 150.0(j), 160.9(c)2A Capacity 110.2(A), 110.2(E), Table 110.2-B, Table 110.2-F-J, Table 110.2-L, Table 110.2M, 110.3(b)4, 110.3(c)1, 120.2(i), Table 120.2-A, 120.6(a-e), 120.6(j)3, 120.9(a), 120.9(c), Table 140.3-C, 140.4(a)2, 140.4(b)12, 140.4(c)2A, 140.4(e), 140.4(g), 140.4(h)3, 140.4(i), 140.4(k), 140.4(m), 140.5(c), 140.9(a)2, 140.9(c)1, 140.10(a), 140.10(b), 141.0(a), 141.0(b), 150.0(h), 150.0(m)7, 13, 150.0(s), Table 150.0-B, C, E, 150.1(b)3B, 150.1(c)6, 14, 150.2(a), 150.2(b), Table 160.2-E, 160.3(a)2H, 160.3(b)1, 5, Table 160.3-A, B, C, 160.4(a)4, 160.4(e)1, 160.9(c)2, 170.1(d)2B, E, 170.2(c)2-4, 170.2(d)3A, 170.2(f-h), 180.1, 180.2(b)2 Captive Card Key Controls 120.2(E), 130.1(c)8, 130.5(d) Capture Efficiency 150.0(O), Table 150.0-E, G, H, 150.2(b)1M, 160.2(b)2, Table 160.2-E, G, H2, 180.2(b)5 Cascade System 120.6(b)2 Case Lighting 120.6(B)3, 130.1(C)1, 140.6(C)3 Category III or IV Vent 160.4 CAULKED 110.6(b), 110.7 Cavity Insulation 150.2(A)1A, 150.2(A)1, Table 170.2-A, 180.1(a)1 Ceiling 120.7(a), 141.0(b)2M, N, O, 150.2(b)1J Assembly 150.2(b)1I Fan 120.10(a), 150.0(k)2, Table 150.0-A, 160.5(a) Height 120.1(c)2, 140.3(c), 160.2(c)2, 170.2(b) Height partition 130.1(a), 130.1(b), 130.1(c)1, 160.5(b)4 Insulation 120.7(a), Table 140.3, 141.0(b)1A, Table 141.0-B, E, 150.1(c)1, 150.1(c)9, Table 150.1-A, 150.2(a)1B, 150.2(b)1I, Table 150.2-D, 160.1(a), 170.2(a)1B, Table 170.2-A, 170.2(c)3B, 180.1(a)1B, 180.2(a)1, Table 180.2-A, 180.2(b)1A, B Ceiling-Mounted Air Conditioners and Condensing Units Serving Computer Rooms–Minimum Efficiency Requirements Table 110.2-M Cellular Foam Insulation 120.4(F), 150.0(M)9,160.3(b)5I, 160.3(c)2G Cement-Based Roof Coatings 110.8(i)4 Central Boiler 140.4(a), 170.2(c)3A Chiller 140.4(a)2 Forced-air 150.0(h)4, 150.0(m)13, 150.0(o), 150.1(c)10, 160.2(b)2A, 160.3(b)4, 160.3(b)5, 170.2(c)3B Furnace 110.5, 110.5(a) Water heating system 110.10(c), 150.1(c)8, 170.2(d)3 Centrifugal Fan Table 110.2-F, 140.4(h), 170.2(C)4F Centrifugal Water Chilling 110.2(a) Certificate of Acceptance 10-103(a)4, 10-103(b)1B, 10-103.1(c)3, 110.6(a)6, 120.5(a), 120.5(b), 120.6(a)7, 120.6(b)6, 120.6(c)8, 120.6(e)6, 120.6(f), 120.6(g), 120.6(i), 130.4(a), 130.4(c),

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

140.9(b)3, 140.9(c), 160.3(d)1, 160.3(d)2, 160.3(d)3, 160.5(e)1, 3 Compliance 10-103(a), 120.8(d), 150.1(b)3, 170.1(d) Installation 10-103(a)3, 150.1(b)3, 150.1(c)7, 150.2(b)1F Verification 10-103(a)5, 150.1(b)3 Certification 110.0(B), 110.2, 110.3(A), 110.4(a), 110.6(a), 110.8(a), 110.8(g), 110.9(c), 110,11, 120.5(b), 130.4(b), 130.4(c), 140.9(a)4, 150.0(n)3, 160.3(d)3, 160.4(c), 160.5(e) Certification Identification Number 10-103(C)3G, 120.5(B), 130.4(c), 160.3(d)3, 160.5(e) Certification Requirements 110.0(B), 110.6(a)1, 110.8(g)1 Certified 110.6(a)6, 110.8(i)1, 120.5(a) Equipment 110.4(a)1, 150.0(h), 150.0(p)1A Lighting Controls Acceptance Test Employer 130.4(c), 160.5(e) Mechanical Acceptance Test Employer 120.5(b), 160.3(d)3 Mechanical Acceptance Test Technician (CMATT) 120.5(b), 160.3(d)3 CFA and Dwelling Unit Adjustment Factors Table 150.1-C, Table 170.2-T CFM Per Square Foot 110.6(A)1, 120.1(D)3, 120.6(c)5, 140.3(a)9, 140.4(e)1, 141.0(b)2Q, 150.1(c)12A, Table 160.2-B, Table 160.2-C, 170.2(c)4N CFM Per Ton 150.0(M)13, 150.1(C)7, 150.2(B)1F, 160.3(b)5L, 170.2(c)3B, 180.2(b)2A Chalk Board 140.6(b)4 Chilled Water piping 120.3(b)2, 160.3(c)1C, 160.4(f)2B Water plant Table 120.2-A, 140.4(h)5, 140.4(j), Table 160.3-C, 170.2(c)4F Water system 120.6(h), 140.4(k)2, 140.4(m), 170.2(c)4C, I, K Water system cooling capacity Table 140.4-E, Table 170.2-E-2 Chiller 10-103(c)3B, 110.2(a), Table 120.2-A, 120.5(a)8, 16, 120.6(b)2A, Table 130.5-B, 140.4(a), 140.4(i-k), 160.3(d)1H, P, Table 160.3-C, Table 160.6-B, 170.2(c)1, 170.2(c)3, 170.2(c)4G, H, I Chiller Isolation 10-103.2(c), 140.4(k)2, 170.2(c)4I Chimney 110.10(b)3 Church 120.2(e), 130.1(c)4, 140.3(c) Circuit Breaker 110.9(c), 110.10(e), 150.0(n), 150.0(t-v), 160.4(a)1B, 160.9(a-c) Circuit Controls 130.5(d), 141.0(b)2P, 160.6(d), 180.2(b)4B Circulating Air 140.4(c), 170.2(c)4A Circulating Pump 110.2(e)1, 110.3(c)2 Circulation Control 110.4(b) Cladding Material 150.2(b)1I Class 1 Air 120.1(g), 160.2(c)8 Class 2 Air 120.1(g), 160.2(c)8 Class 3 Air 120.1(g), 160.2(C)8 Class 4 Air 120.1(g), 160.2(c)8

50.0(n), 150.0(t-v), 160.4(a)1B, 160.9(a-c) Circuit Controls 130.5(d), 141.0(b)2P, 160.6(d), 180.2(b)4B Circulating Air 140.4(c), 170.2(c)4A Circulating Pump 110.2(e)1, 110.3(c)2 Circulation Control 110.4(b) Cladding Material 150.2(b)1I Class 1 Air 120.1(g), 160.2(c)8 Class 2 Air 120.1(g), 160.2(c)8 Class 3 Air 120.1(g), 160.2(C)8 Class 4 Air 120.1(g), 160.2(c)8

Classification of Dwelling Unit High Luminous Efficacy Light Sources Table 160.5-A Clean-Filter Pressure Drop 150.0(m)12, 150.0(m)13B, Table 150.0-B, C, 150.1(c)7A, 150.2(b)1F, 160.2(b)1, 160.3(b)5L, Table 160.3-A, 180.2(b)2A Clearance 150.0(H)3A, 150.0(K)1C, 160.3(b)3, 160.5(a)1C Climate Zone Figure 100.1-A, 100.2, 120.6(A), 120.6(b), 140.0(c), 140.3(a)1, 140.3(a)8, 140.3(c), 140.4(a)2, 140.4(e)1, 140.4(h), 140.4(k)8, 140.4(q), 140.5(a)1, 140.10(b), 141.0, 141.0(b)2B, 150.0(a)1, 150.0(g), 150.1(a), 150.1(b)3, 150.1(c), 150.1(c)6, 8, 11, 150.2(a)1B, 150.2(b)1B, 150.2(b)1D, 150.2(b)1E, 150.2(b)1F, 150.2(b)1H, 150.2(b)1I, 150.2(b)1J, 160.1(d), 160.3(b)5, 170.0(a), 170.1(d)1, 170.2, 170.2(a)3A, 170.2(b)170.2(c)3-4, 170.2(d), 180.0, 180.1(a)1B, 180.2(b)1-2 Clock Mechanism 110.2(c) Closed-Circuit Cooling Tower 110.2(E), 140.4(h), 170.2(c)4F Closure 120.4(A), 120.4(B)1A, 120.4(B)2A, 140.9(c)4, 150.0(m), 160.3(b)5, 160.3(c)2 CO Sensors 120.6(c) CO2 Concentrations 120.1(D)4C, 160.2(C)5 CO2 Sensors 120.1(d), 160.2(c)5 COAST Guard 140.7(A), 170.2(E)6A Cold Cathode Lamps 140.8(B)3, 170.2(E)7B Cold Water Supply 110.3(c)4, 110.3(c)6, 150.0(n) Combined Energy Efficiency Ratio (CEER) 150.1(B)3, 170.1(D)2A Combined Illuminance 130.1(d), 160.5(b)4 Combustion Air 110.2(D), 150.0(O), 150.1(C)9, 160.1(f)2, 160.2(b)2A, 170.2(c)3B Control linkage 120.6(d), 120.9(c), 160.4(e) Fans 120.6(d), 120.9(b), 160.4(e) Intake 120.2(f), 150.0(e), 160.1(f), 160.3(a)2E Positive shut-off 120.6(d), 120.9(a), 160.4(e) Volume 120.6(d), 120.9(c), 160.4(e) Combustion Efficiency 120.6(D)3, 120.9(C), 140.4(k)8, 160.4(e)3 Combustion Inlet 150.0(M)8, 160.3(B)5H Comfort Cooling 120.2(B), 140.4(E)1, 140.4(H), 160.3(a)2, 170.2(c)4C, F Comfort Heating 120.2(b), 160.3(a)2 Commercial Boiler 120.9, 160.4(E) Commercial Kitchen Table 120.1-C, 140.9(b), Table 160.2-D, 170.2(c)4N Commercial Refrigeration 110.2(A), 120.6(B) Commercial Space 150.0(o) Commissioning Measures 120.8(a), 120.8(e) Plan 120.8(a), 120.8(f) Process activities 120.8(f), 120.8(i) Report 120.8(a), 120.8(h)2, 120.8(i) Common Areas 130.0(b), 160.3(c), 160.3(d)1 Gas and combustion air 120.6(d), 120.9(c), 160.4(e)3 Services area 160.5(b) Use area controls 160.3(a)2

Table 160.2-D, 170.2(c)4N Commercial Refrigeration 110.2(A), 120.6(B) Commercial Space 150.0(o) Commissioning Measures 120.8(a), 120.8(e) Plan 120.8(a), 120.8(f) Process activities 120.8(f), 120.8(i) Report 120.8(a), 120.8(h)2, 120.8(i) Common Areas 130.0(b), 160.3(c), 160.3(d)1 Gas and combustion air 120.6(d), 120.9(c), 160.4(e)3 Services area 160.5(b) Use area controls 160.3(a)2

Use areas 160.0, 160.2(c), 160.3, 160.3(a), 160.5(b), 160.5(e), 160.5(a), 160.6(d), 160.9(c), 170.0, 170.2, 170.2(c), 170.2(e), 180.0, 180.2(b)4 Community Shared Solar 10-115, 140.1(B), 150.1(b)1, 170.1(b) Compact Fluorescent Luminaire 130.0(C)1, 160.5(B)1A Compact Hot Water Distribution 150.1(c)8, 170.2(d)1A Compartmentalization Testing 160.2(b)2A Compensating Outdoor Air 150.0(O), 160.2(b)2A Compliance Credit 10-113, 110.2(f) Documentation 110.6(b), 110.9(c), 110.9(d), 120.8(d), 140.3(d)2J Form 110.2(e), 120.8(d)2 Software 140.1(c), 150.1(b), 170.1(c) Testing 110.12(c) Component Modeling Approach (CMA) 110.6(A)5 Component Package 150.1(c) Component Package – Single-Family Standard Building Design Table 150.1-A Compressed Air Piping 120.6(e) Compressed Air Systems 120.6(e) Compression 110.2(B), 120.4(D), 150.0(M)5, 160.3(b)5E, 160.3(c)2E Compressor 120.2(I), 120.6(A)3-5, 120.6(A)7, 120.6(b)1-2, 120.6(e), 140.4(k)5, 150.0(m)13, 150.2(b)1F, 160.3(a)2H, 160.3(b)5L, Table 170.2-H, 170.2(c)4C, 170.2(d)2, 180.2(b)2A Computer Room Table 110.2-L, M, 120.6(j), 120.10(a), 140.4(d), 140.4(e)1, 140.4(f), 140.9(a), 141.1(b), 170.2(c)4 Concrete Masonry 120.7(B), 140.3(A)9, 160.1(a)4, 5 Concrete Slab 120.4(A), 150.0(E), 150.0(F), 150.1(c)1D, 160.1(f)2, 160.3(c)2B, 170.2(a)5B Condensate Drain 150.0(N), 160.4(A) Condenser 110.2(a), 120.6(a)4, 120.6(b)1 Efficiency 120.6(a)4G, 120.6(b)5 Fan 120.6(a)4D, 120.6(b)1A, 140.4(h), 170.2(c)4F Water reset controls 120.5(a)16, 160.3(d)1P Water system 140.4(k)6, 170.2(c)4I Condensing Coil 150.2(B)1F, 180.2(B)2A Condensing Temperature Table 110.2-F, 120.6(a)4, Table 120.6-B, 120.6(a)5B, 120.6(a)8G, 120.6(b)1, 120.6(b)2C, 120.6(b)5G, 140.4(h)1, 170.2(c)4F Condensing Unit Table 110.2-A, Table 110.2-L, Table 110.2-M, 120.6(a)4B, 120.6(b)2, 141.0(b)2D, E, 150.0(h)3, 150.2(b)1C, 150.2(b)1E, 160.3(b)3, 180.2(b)2 Conditioned Air 120.4(g), 141.0(b)2D, 150.0(m)1, 11, 160.3(b)5, 160.3(c)2H, 180.2(b)2B Floor area (CFA) 10-103(a), 100.0(f), 120.1(d)4E, 120.2(g), 120.4(g), 120.6(b), 140.1, 140.3(a)9C, 140.4(g), 140.10(a), 140.10(b), 141.0(b)2D, 150.0(q)1, 150.1(c)3, 8, 12, 14, 150.2(a)1B, 150.2(a)1C, 150.2(a)2C,

302 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Units 120.1(e), Table 140.4-E, 160.2(c)6, Table 170.2-E, 170.2(c)4N Corner Opening 120.1(C)2A, 160.2(C)2 Cover Plates 110.9(c) Covered Occupancies 110.10(a) Parking 110.10(b)1B, 140.10(a)1, 150.1(c)14, 170.2(f)A, 170.2(g)1 Process 120.0, 120.1(f)1, 120.6, 120.7, 141.0(a), 141.0(b), 160.2(c)7A, 170.1(a), 170.1(b) 180.0 Processes 100.0(e)2F, 120.0, 120.6, 120.8, 140.9, 141.1, 160.7 Covers 110.4(A), 110.4(B) Crawl Space 120.4(A), 150.0(D), 150.0(G), 150.1(c)1, 160.1(c), 160.1(d), 160.3(c)2B, 2H, 160.4(f)1, 180.2(b)2B Critical Point 120.6(A)8, 120.6(B)5 Cubic Feet Per Minute (CFM) 120.1(C)3, 120.6(e)1A, 141.1, 140.9(c)1, 150.0(o), 150.1(c)12, 160.2(b)2A, 160.2(c)3B Current Protection 110.9(D), 130.0(C)6, 160.5(b)1F C-Value 120.4(C), 150.0(M)4, 160.3(B)5D, 160.3(c)2D Cycle Off Any Zone 140.4(p) Cycles of Concentration 110.2(e)

D

Damper 110.2(d), 120.1(d), 120.1(f), 120.2(f), 120.2(g), 120.2(i), 140.4(c)2, 140.4(e)1A, 1D, 150.0(e), 150.0(m)7, 8, 13, 150.0(o), 150.1(c)7A, 150.2(b)1F, 160.1(f), 160.2(b)2A, 160.2(c)5, 160.2(c)7, 160.3(a)2, 160.3(b)5L, 170.2(c)3B, 170.2(c)4, 180.2(b)2A Damper Control 120.2(F), 150.0(O)1B, 160.2(b)2A, 160.3(a)2E Damper Leakage 140.4(E)2, 170.2(C)4C Damper Reliability Testing 140.4(E)2, 170.2(c)4C Dance Floor Table 120.1-A, 140.6(A)3C, Table

160.2-B Data 110.1(B), 110.1(C), 120.6(E)3, 120.7, 130.5(d), 140.3(a)9C, 140.4(b)3A, 9, 140.4(e)2D, 141.0(b)3, 150.0(h)2, 150.1(a), 150.2(b), 160.3(b)2, 160.3(b)5, 160.6(d), 170.0(a)3, 170.2(c)2C, 2I, 3B, 4C, 180.2(b)2A, 180.2(c) Database 10-103.1(c)3H, 110.1(b), 110.1(c) Daylight Availability 130.2(c)1, 160.5(c) Continuous dimming 140.6(a)2H, Table 140.6-A, 170.2(e)2, Table

170.2-L Illuminance 130.1(d)3, 160.5(b)4D Levels 140.3(a)5B-D, 140.3(a)6B, D, 150.1(c)3, 170.2(a)3A Saving time 110.9(b)1 Daylighting 110.6(a)4, 110.9(b)2, 120.1(d)5, 130.1(d), 130.1(f)3, 140.3(c), 140.3(d), 140.6(a)2L, 141.0(b)2G, Table 141.0-F, 160.2(c)5E, 160.5(b)4D, F, 170.2(b), 170.2(e)2B, 180.2(b)4B, Table 180.2-E Daylighting Design 140.3(d), 140.6(a)2, 170.2(e)2B Daylighting Devices 110.6(a)4, Table 140.3-B, 140.3(d), Table 140.3-E

(a)5B-D, 140.3(a)6B, D, 150.1(c)3, 170.2(a)3A Saving time 110.9(b)1 Daylighting 110.6(a)4, 110.9(b)2, 120.1(d)5, 130.1(d), 130.1(f)3, 140.3(c), 140.3(d), 140.6(a)2L, 141.0(b)2G, Table 141.0-F, 160.2(c)5E, 160.5(b)4D, F, 170.2(b), 170.2(e)2B, 180.2(b)4B, Table 180.2-E Daylighting Design 140.3(d), 140.6(a)2, 170.2(e)2B Daylighting Devices 110.6(a)4, Table 140.3-B, 140.3(d), Table 140.3-E

160.1(e)1, 160.2(c)5D, 160.3(a)2F, 160.3(c)2H, 170.2(a)3, 170.2(f), 170.2(g), 180.1(a)2, 180.2(b)2B Greenhouse 120.6(h), 140.3(a)5, 6, 141.1(c)2 Space 100.0(c), 110.2(d), 120.3(b), 120.4(a)4, 120.7(a), 120.8, 140.3(a)7, 140.3(a)9, 140.4(c), 140.4(n), 140.4(o), 140.6(b), 140.9(c)3, 141.0(a)2A, 150.0(a), 150.0(d), 150.0(g), 150.0(m)1, 7, 8, 150.0(q), 150.1(c)1, 5, 8, 9, 150.2(a)1A, 150.2(b)1J, 160.1(a)2C, 160.1(d), 160.1(e), 160.3(b)5A, G, H, 160.3(c)1C, 2B, 170.2(a)1, 4, 170.2(c)3B, 170.2(c)4M, 180.1(a)1 Conductive Thermal Performance 110.8(a) Conductivity 110.2(E), 120.3(A), 120.3(C), 150.0(j), 160.3(c)1, Table 160.3-D, Table 160.4-A Conductor 150.0(N), 160.4(A)1 Conduit 110.10(c), 110.8(g)2 Conference Room 130.1(C)5, 130.5(D), 140.6(a)1, 160.5(b)4C, 160.6(d), 170.2(e)2A Connected Boiler 120.6(i) Constant Loads 140.4(F), 170.2(C)4D Constant Volume 120.4(G), 120.5(A)2, 140.9(c)1, 141.0(b)2D, 160.2(c)7C, 160.3(c)2H, 160.3(d)1, 180.2(b)2B Construction 110.0, 120.1(G)7, 120.8(C), 120.8(i), 140.3(a)1A, 140.3(a)9, 141.0(b)2B, 150.0(m)1B, 11B, 150.1(c)11, 150.2(b)1I, 160.2(c)8G, 160.3(b)5A, 170.2(a)1A, 170.2(e)2B, 180.2(b)1A Construction Documents 110.10(B)4, 110.10(c), 110.10(d), 120.8(a)4, 120.8(d), 120.8(e), 140.6(a)2J, 140.6(a)3A, B, C Contaminant Level 120.6(c) Contiguous Areas 140.6(C)2, 140.6(C)3, 170.2(e)4 Continuous Insulation Table 141.0-C, 150.1(c)1, 150.2(a)1A, 150.2(a)1B, 150.2(b)1I, 180.1(a)1A, Table 180.2-A, 180.2(b)1A Local ventilation exhaust airflow rates

Table 150.0-F, Table 160.2-F Mechanical exhaust 150.0(o), 160.2(b)2A Operation 120.6(e)1B, 150.0(o), 160.2(b)2A Roof 170.2(a)1B Use area 130.1(c)1, 160.5(b)4C Control 170.2(c)4O And accessibility 120.1(c)2, 160.2(c)2 Device 110.9(a), 120.1(d)1, 5, 120.2(e)1, 150.2(e)2, 160.1(f)2, 160.2(c)5, 160.3(a)2D, 160.3(a)2D Gaps 120.6(e) Interactions 130.1(f), 160.5(b)4F Mode 150.0(m)13, 160.3(b)5L Panel 140.4(c)2B, 140.4(k)6, 170.2(c)4 Requirements 110.12, 120.1(d), 120.1(f), 130.1(a), 130.1(c)2, 130.4(b)1, 130.5(d)1, Table 140.4-G, 141.0(b)2I, 150.0(k)2D, 160.2(c)5, 7, 160.5(a)2D, 160.5(b)4, 160.5(e)2A,

160.6(c)1, Table 170.2-G, 170.2(c)4N, 180.2(b)4B Step 130.1(b), 130.1(c)7B, 130.1(d)3A, 160.5(b)4 System 110.2(e)4, 110.4(b)3, 110.9(b)4, 110.12(b)1, 120.2(i)8, 120.5(a)17, 120.6(b)2A, 120.6(c)7E, 130.4(b), Table 140.4-I, 140.6(c), 141.0(b)2L, 160.3(a)2H, 160.3(d)1Q, 160.5(e)2, 180.2(b)4B Valve 140.4(k)1, 170.2(c)4I Zone 130.1(c)5, 130.1(c)6, 160.5(b)4 Control Requirements for Indoor Lighting System Alterations for Common Use Areas Table 180.2-E

), 130.1(c)7B, 130.1(d)3A, 160.5(b)4 System 110.2(e)4, 110.4(b)3, 110.9(b)4, 110.12(b)1, 120.2(i)8, 120.5(a)17, 120.6(b)2A, 120.6(c)7E, 130.4(b), Table 140.4-I, 140.6(c), 141.0(b)2L, 160.3(a)2H, 160.3(d)1Q, 160.5(e)2, 180.2(b)4B Valve 140.4(k)1, 170.2(c)4I Zone 130.1(c)5, 130.1(c)6, 160.5(b)4 Control Requirements for Indoor Lighting System Alterations for Common Use Areas Table 180.2-E

Controlled Environment Horticulture (CEH) 120.6(h), 140.4(e)1, 141.1(c) Receptacle 110.12(e), 130.0(b), 130.4(a)8, 130.5(d), 130.5(e), 141.0(b)2P, 160.5(e)1H, 160.6(d), 180.2(b)4 Separately 130.1(c)6D, 140.3(d)1D, 150.0(k)2G, 160.5(a)2, 160.5(b)4C Ventilation crawlspace 150.0(d), 150.0(g), 160.1(d) Controls 120.2, 110.3(C)1, 110.3(C)2, 110.2(a), 110.2(b), 110.2(d), 110.3(b), 140.6(a)4, 140.9(c)1, 160.2(c)7, 160.3(a) Convention Center 130.1(A)2, 130.1(C)1C, 140.6(a)1, 140.6(a)3D, Table 140.10-A, Table 140.10-B, Table 170.2-U, Table 170.2-V Cooking Equipment 110.5(b) Cool Roof Rating Council (CRRC) Testing 110.8(i)2 Cool-Down Loads 140.4(b)12 Cooler 120.6, 140.6(A)3E, 150.0(M)12A, 160.2(b)1 Cooling Capacity 120.2(i), 120.6(b)2B, 120.6(j)3, 140.4(a), 140.4(e)1, 140.4(i), 140.9(a)2, 141.0(b)2C, 150.0(m)13, 150.2(b)1F, 160.3(b)2H, 5L, 170.2(c)4, 180.2(b)2 Coil 140.4(e)3A, 140.4(p)2, 141.0(b)2E, 150.2(b)1C, 150.2(b)1D, 150.2(b)1E, Table 170.2-B, 170.2(c)4 Dry bulb 140.4(b)3, 140.4(b)7, 150.0(h), 160.3(b)2D, 170.2(c)2C Efficiency Table 110.2-N, 140.4(e)1, 170.2(c)4C Equipment 120.2(c)1, 120.6(j)1, 140.4(a)1, 140.4(c)1C, 140.4(p)2, 150.1(c)7, 150.2(a), 150.2(b)1C, 170.2(c), 180.1, 180.2(b)2A Loads 140.4(a), 140.4(b)1, 140.4(b)5, 140.4(b)6, 140.9(c)1, 150.0(h), 160.3(b)1, 170.2(c) System 110.2(c), 120.2(a), 120.3(a)1, 140.4(b)1, 140.4(e), 140.4(h), 140.4(m), 140.4(p)4, 140.9(a)1, 140.9(a)3, 140.9(c), 141.1(b), 150.0(i), 150.0(m), 150.1(b), 160.2(b)1, 160.3(a)1-2, 160.3(b)5, 160.3(c)1A, 170.1(d)2G, 170.2(c)2, 4, 180.2(b)2A Tower 110.2(e), 120.5(a)16, 120.6(a)4, 8, 120.6(b)1, 120.6(b)5, Table 130.5B, 140.4(b)3, 140.4(h), 160.3(d)1P, 170.2(c)2C, 170.2(c)4F

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Daylit Zone 130.1(d), 130.1(f), 140.3(c)1A, 140.6(a)2, 140.6(a)3, Table 140.6-A, 160.5(b)4D, F, 170.2(e)2B, Table 170.2-L DDC Applications and Qualifications Table 120.2-A, Table 160.3-C Dead Band 120.2(b)3, 140.4(k)7 Dead Band Flow Rate 140.4(d) Decibel Level 110.9(b)6 Decorative Gas Appliance 110.2(c), 140.6(b)4, 150.0(e), 160.1(f) Dedicated Electrical Receptacle 150.0(n)1A, 160.4 Dedicated Outdoor Air Systems (DOAS) 140.4(p), 170.2(c)4N Dedicated Raceway 150.0(s) Default Fenestration

Product U-Factors Table 110.6-A

Default Solar Heat Gain Coefficient (SHGC) Table 110.6-B, 10-111(a)1B, 110.6(a)3 Default U-Factor 10-111(a)1B, 10-111(b)1B, 10-112(a), 110.6(a)2 Default Values 10-112(a), Table 140.4-D, 150.1(c)3, 170.2(a)3A, Table 170.2-E Default Values for Fan KWdesign Based on Motor Nameplate HP Table 140.4-D, Table 170.2-E-1 Dehumidification Table 110.2-K, 120.6(h), 140.4(b)2A, 140.4(e)1, 141.1(c)1, 170.2(c)2B, 170.2(c)4C Demand Control ventilation (DCV) 120.1(d), 120.5(a)5, 160.2(c)5, 160.3(d)1 Demand-controlled local ventilation exhaust airflow rates and capture efficiency Table 150.0-E, Table 160.2-E

Demand-controlled mechanical exhaust 150.0(o), 160.2(b)2A Flexibility 150.1(b)1 Management 110.12 Recirculation 150.1(c)8, 150.2(b)1H, 170.2(d), 180.2(b)3B Response signal 110.10(b)1A, 110.10(b)1B, 110.12(a-e), 140.6(a)2, 170.2(e)2B Responsive controls 110.10(b)1A, 110.10(b)1B, 110.12(a-e), 130.1(e), 130.1(f), 130.3(a)3, 130.4(a)5, 130.4(a)8, 130.5(e), 140.6(a)2, 141.0(b)2E, 160.5(b)4E, 160.5(e)1H, 160.6(e), 170.2(e)2, 180.2(b)2 Responsive EMC Control 130.3(a)3, 160.5(d)3 Shed 110.12(b), 120.2(b)4, 120.2(h), 120.5(a)10, 160.3(a)2, 160.3(d)1J Ventilation system 140.9(b)1 Demising Wall 120.7(b)7, 140.3(a)3, 140.3(a)5, 160.1(b), 170.2(a)2-3 Department of Consumer Affairs 110.8(a), 110.8(j) Design 10-102, 10-103, 10-103.1(c), 10-104, 10-105, 10-108, 10-109, 10-111, 10-113, 100.1, 120.0, 120.1(f), 130.0(a), 130.0(b), 140.3(a)9, 140.4(f), 150.0(b), 150.2(b)1, 160.1(a)1, 160.5(a), Table 170.2-B, 170.2(c)3, 170.2(d) Air volume 120.6(d)2, 120.9(b), 160.4(e)2

Airflow Equation 120.1-A, 120.6(a)3B, 120.6(c)2, 140.4(c)1, Table 140.4-J, Table 140.4-K, 170.2(c)4 Airflow rate 140.4(q)2, 150.0(m)12B, D, Table 150.0-B, Table 150.0-C, 160.2(b)1, 2C, Table 160.3-A, Table

160.2-B Capacity 120.6(c)1, 140.4(k)4, 170.2(c)4I Conditions 120.6(b)4A, 120.10(a), 140.4(b)2, 140.4(b)3, 140.4(c)1, 140.4(k)8B, 140.4(q), 140.9(a)2, 140.9(c)3B, 150.0(h), 160.3(b)2, 170.2(c)2-4 Data 140.4(b)9, 170.2(c)2I Flow rate 140.4(k)1, 170.2(c)4I Load 110.10(b)4, 140.4(a), 140.4(b)1, 11, 12, 140.4(g), 140.9(a), 141.1(b), 170.2(c)2 Phase 120.8(b), 120.8(c), 120.8(d)2, 120.8(f) Phase design review 120.8(a)3, 120.8(d) Review 10-103, 120.8, 120.8(a), 120.8(d) Supply 140.4(e)1, 140.4(f)2, 170.2(c)4C, D, O Temperature 140.4(b)2, 140.4(b)3, 140.4(j), 150.0(h), 160.3(b)2, 170.2(c)2, 170.2(c)4H Ventilation 120.1(d), 120.6(c)7, 160.2(b)2A, 160.2(c)5 Wattage 120.6(c), 120.6(d)3, 120.6(j)3, 120.9(b), 140.4(k)6, 160.4(e)2, 170.2(c)4I Zone 140.4(d), 170.2(c)4B Designated Efficiency 120.1(c)1B, 150.0(m)12C, 160.2(b)1C, 160.2(c)1B Designated Solar Zone 110.10(b)1A, 110.10(b)1B Diagnostic Evaluation 140.3(a)9, 141.0(b)2Q Diagnostic Testing 10-103(a)5, 110.1(c), 120.4(g)1, 141.0(b)2D, 141.0(b)2E, 150.0(m)1, 150.0(m)11, 150.0(m)13, 150.0(o), 150.1(c)7, 150.1(c)9, 150.1(c)10, 150.2(b)1D, 150.2(b)1E, 150.2(b)1F, 150.2(b)1M, 160.2(a)1, 160.2(b)2B, 160.3(b)5, 160.3(c)2H, 170.2(c)3B, 180.1(b)3, 180.2(b)2, 180.2(b)5 Differential Pressure 140.4(k)6, 170.2(c)4I Dimming Controls 150.0(k)2, 160.5(a)2 Direct Digital Control (DDC) 110.12(b), 120.1(d), 120.2(b), 120.2(e), 120.2(i), 120.2(j), 120.2(k), 140.4(c)2, 140.4(d), 140.4(k)6, 160.3(a)2, 170.2(c)4A, B, I Direct Expansion (DX) 140.4(a), 140.4(e)2, 140.4(m), 170.2(c)4K Direct Expansion (DX) Unit Requirements for Cooling Stages and Compressor Displacement Table 140.4-H, Table 170.2-H Direct Sunlight 130.1(d), 140.3(a)6E, 140.3(d), 140.4(e)2D, 150.1(c)4, 160.5(b)4D, 170.2(a)3B, 170.2(c)4C Directional Inlets 110.4(b) Directory 110.0(b), 110.1(b), 150.0(o)1G, 160.2(b)2A Display Cabinet 150.0(k)2, 160.5(a)2G

Distance Factor 140.3(d)2, 140.3(d)3, Table

140.3-C Distributed Energy Storage DX AC System 120.5(a)13, 160.3(d)1 Distribution System 100.0(b), 110.3(c)2, 4, 120.1(a)2, 120.2(j)2 120.3(a), 120.4, 120.4(a), 120.6(h)3, 130.0(a), 130.5(a), 130.5(b), 140.4(f), 140.4(k)8, 141.0(a), 141.0(b)2P, 150.1(c)8, 9, 150.2(b)1H, 160.2(a)2, 160.3(a)2I, 160.3(b), 160.3(c), 160.6(b), 160.9(c)2A, 170.2(c)3B, 4D, 170.2(d), 180.1(a), 180.2(b)3-4 Distribution Transformer 110.11(a) Dock Doorway 120.6(a)6 Documentation 10-103(a, b, d), 10-104(b), 10-105(b), 10-106(b), 10-109(c, d, i), 10115(a)4, 110.2(e), 110.6(b), 110.9(c), 110.9(d), 110.10(d), 120.5(b), 120.8(b), 120.8(d), 130.4(c), 140.3(d), 150.1(b)3, 160.3(d)3, 160.5(e)3, 170.1(d)1, 2H Documentation and Training 120.8(a), 120.8(h) Domestic Water Heating System (DHW) 150.1(c)8 Door 120.6(a)6, 130.1(a)2, 8, 150.0(k), 150.1(c)5, 150.2(b)1I, 160.5(a)1A, 2E, 170.2(a)4, 180.2(b)1D Door Header 150.2(a)1A Dormitory 130.0(b), 160.5(a) Double Side Opening 160.2(c)2 Draft Stopped 150.0(m)1B, 160.3(b)5A-F Drain Water Heat Recovery 150.1(c)8, 170.2(d) Drawbands 120.4(b)1, 120.4(b)2, 150.0(m)2, 150.0(m)3, 160.3(b)5, 160.3(c)2C Dressing Room 140.6(a)3C Driver 130.0(c)2-6, 141.0(b)2I, 141.1(c)3, 160.3(b)1B-F, 180.2(b)4B Dry Bulb Table 110.2-L, M, 120.2(e)2B, 8B, 120.6(a)4, 120.6(a)8, 120.6(b)1, 4, 140.4(b)3A, 140.4(e)1, 140.4(e)2, 140.9(a)1, 141.1(b)1, 150.0(h)2, 160.3(a)2D, 160.3(b)2D, 170.2(c)2C, 4C, Table 170.2-G Dryer Vent 150.0(h), 160.3(b)3 Dry-Type Distribution Transformer 110.11(a) Drywall Ceiling 140.3(a)1B, 150.0(a), 160.1(a)2, 170.2(a)1B Dual-Fuel Heat Pump 140.4(a), 170.2(c)3A, Table 170.2-K Dual-Glazed Greenhouse 150.0(q)1, 150.2(b), 160.1(e), 180.2(c) Dual-Pane Diffuser 150.1(c)3 Duct Table 110.2-I, 110.8(d), 120.4(b), Table 140.4-B, 150.0(a), 150.0(m)3, 150.0(m)10, 150.0(m)13 Board 120.4(d), 150.0(m)1, 150.0(m)5, 160.3(b)5A-F Closure 120.4(a), 150.0(m)1D, 160.3(b)5A-F, 160.3(c)2A Insulation 120.4(a, c, d, e), 150.0(m)1, 150.0(m)4, 150.0(m)5, 150.0(m)6, 150.1(c)9, Table 150.2-A, 150.2(b)1D, 160.3(b)5D-F, 160.3(c)2D-F, Table 170.2-K, 180.2(b)2A Insulation R-Value 150.0(m)4, Table 150.2-A, 160.3(b)5D, Table 180.2-C

304 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

160.6(a), 160.9(a-c), 170.2(c)4G, 180.2(b)4B Supply voltage 110.5(b) Electrically Operated Variable Refrigerant Flow (VRF) Air Conditioners Minimum Efficiency Requirements Table 110.2-G Electrically Operated Variable Refrigerant Flow Air-to-Air and Applied Heat Pumps – Minimum Efficiency Requirements Table 110.2-H Electronic Message Center (EMC) Control 110.12(d), 130.3(a)3, 160.5(d)3 Electronically Commutated Motor 110.10(b)1, 120.6(a)3, 140.4(c)3, 170.1(c)4A Elevator Table 120.1-C, 120.6(f), 140.6(a)3U, 140.7(a)8, 150.0(m)8, Table 160.2-D, 160.3(b)5H, Table 160.6-B, 160.7(a), 170.2(e)2C, 6A Embedded Fan 120.10(a) Emergency Backup 140.4(g), 170.2(c)4E Emittance 10-113, 110.8(i), 110.8(j), 140.3(a)1A, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, 170.2(a)1A, 180.2(b)1A Enclosed Kitchen 150.0(o), Table 150.0-E, 160.2(b)2A Enclosed Parking Garage 120.6(c), 160.2(d) Enclosed Space 140.3(c), 141.0(b)2I, 141.1(c)3, 170.2(b), 180.2(b)4B Enclosure Leakage 150.0(o)1C, 150.1(b)3B, 160.3(d)2, 170.1(d)2H Energy Budget 10-104(b), 140.0(c), 140.1(a), 140.1(b), 140.1(c), 141.0(b)3, 150.1(b)1, 150.1(b)2, 150.1(b)3, 150.2(a)2A, 150.2(b)2, 170.1(a), 170.1(b), 170.1(c), 170.1(d), 180.1(b)1, 180.2(c) Commission 110.0(b), 110.1(b), 110.1(c), 110.2(e), 110.2(f), 110.6(a), 120.2(i), 120.6(e)1, 140.0(c), 140.1(b), 140.1(c), 140.3(a)6E, 140.3(a)9, 140.3(c), 140.4(b)1, 140.4(e)2, 150.0(o)1G, 150.1(a), 150.1(b), 150.1(b)1, 150.1(c)10, 160.2(b)2A, 160.3(a)2H, 170.1(b), 170.2(a)3B, 170.2(c)3B, 170.2(c)4D Commission directory 150.0(h), 150.0(p) Consumption 141.0(c), 150.1(b), 180.3 Design rating (EDR) 150.1(b)1, 150.1(b)3 Efficiency goals 120.8(b) Efficiency ratio (EER) rating 150.1(b)3 Efficient combination 120.6(e) Features 141.0(a)2, 150.2(a)2B, 180.1(b)2 Management Control System (EMCS) 110.2(c), 110.2(e), 110.12(b), 120.2(a), 120.2(i)6, 120.5(a)17, 130.0(e), 130.4(b)2, 140.9(c)3, 150.0(i), 150.0(k)2, 150.0(k)3, 160.3(a)1, 160.3(a)2A, 160.3(d)1, 160.5(a)2, 160.5(b)3, 160.5(e)2B Performance 140.9(a) Recovery 120.1(c)1A, 120.1(g), 140.4(e)1, 140.4(q), 140.9(b)2B, 150.0(m)12, 150.0(o)2C, 160.2(b)1,

n 120.6(e) Features 141.0(a)2, 150.2(a)2B, 180.1(b)2 Management Control System (EMCS) 110.2(c), 110.2(e), 110.12(b), 120.2(a), 120.2(i)6, 120.5(a)17, 130.0(e), 130.4(b)2, 140.9(c)3, 150.0(i), 150.0(k)2, 150.0(k)3, 160.3(a)1, 160.3(a)2A, 160.3(d)1, 160.5(a)2, 160.5(b)3, 160.5(e)2B Performance 140.9(a) Recovery 120.1(c)1A, 120.1(g), 140.4(e)1, 140.4(q), 140.9(b)2B, 150.0(m)12, 150.0(o)2C, 160.2(b)1,

Leakage 120.4(g)2, 141.0(b)2D, 150.0(m)11, 150.2(b)1D, 150.2(b)1E, 160.3(b)5K, 160.3(c)2H, 180.2(b)2 Liner 120.4(d), 150.0(m)5, 160.3(e)5 Sealing 120.4(a), 120.4(g), 141.0(a)2, 141.0(b)2D, 141.0(b)2E, 150.2(b)1D, 150.2(b)1E, 160.2(b)2C, 160.3(b)K, 180.2(b)2 Split 140.4(c)2A, 170.2(c)4A System 120.4(b, c, d, g), 120.5(a)3, 141.0(a), 141.0(b)2D, 141.0(b)2E, 150.0(m)1, 150.0(m)2, 150.0(m)3, 150.0(m)11, 150.0(o)1, 150.1(c)9B, 150.2(a), 150.2(b)1C, 150.2(b)1D, 150.2(b)1E, 150.2(b)1L, 150.2(b)2, 160.2(b)2A, 160.3(b)5, 160.3(c)2, 160.3(d)1, 170.2(c)3B, 180.1, 180.2(b)2, 5 Wrap 120.4(d), 150.0(m)5, 160.3(b)5E, 160.3(c)2E Ducted Split System 150.1(C)7, 150.2(B), 170.2(c)3B, 180.2(b)2A Ducting (Outdoor Air) 120.1(e), 160.2(c)6 Ducts 110.8(d)3, 120.4(a), 141.0(b)2C, 141.0(b)2D, 150.0(m), 150.1(c)1, 150.1(c)9, 160.3(c)2, 170.2(c)3B, C, 180.1 Ductwork 120.1(c), 120.1(f), 120.4(b), 150.0(m)12A, 160.2(b)1, 160.2(c)1, 160.2(c)7, 160.3(c)2 Dwelling 150.0(m)11 Dwelling Unit 110.3(c)4, 110.10(b)B, 120.2(a), 130.0(b), 140.4(k)8, 140.4(n), 140.5(c), 140.6(a)3N, O, 150.0(n), 150.0(o), 150.0(s-v), Table 150.0-G, 150.1(a), 150.1(c)3, 150.1(c)8, 150.1(c)12, 150.1(c)14, Table 150.1-C, 150.2(a), 150.2(a)1C, 150.2(a)2C, 150.2(b)1D, 150.2(b)1H, J, L, M, 160.0, 160.1(e)1, 160.2(a), 160.2(b), Table 160.2-G, 160.3(a), 160.3(b), 160.3(d), 160.4(a), 160.4(b), 160.5(a), 160.5(b), 160.5(c), 160.6(b), 160.6(d), 160.9, 170.0, 170.0(a)3, 170.1(d)2, 170.2(a)3, 170.2(c)3, 170.2(d), 170.2(e), 180.1, 180.1(a), 180.2(b), 180.2(b)5 DX-DOAS Units, Single-Package and Remote Condenser – Minimum Efficiency Requirements Table 110.2-K Dynamic Controls 120.1(f)2, 160.2(c)7

E

E24/E26 Medium Screw Base Socket 140.8(b)6, 170.2(e)7 Economizer Table 110.2-L, 120.1(d)3, 120.2(i), 120.5(a)4, 120.6(b)2B, Table 140.4A, 140.4(e), 140.4(m), 140.4(q)2, 140.9(a)1, 141.1(b), 160.2(c)5C, 160.3(a)2H, 160.3(d)1D, Table 170.2-B, 170.2(c)4C, K, N, O Economizer Controls 120.5(a)4, 140.4(e)2, 160.3(d)1D Economizer System 120.6(j), 140.4(d), 140.9(a)1, 170.2(c)4B Economizer Trade-Off Table for Cooling Systems Table 140.4-F, Table 170.2-F

EER/EER2/SEER/SEER2/CEER/HSPF/ HSPF2 Rating 150.1(b)3B, 170.1(d)2A

Efficacy 130.1(c)7B, 130.1(c)8, 150.0(k)1, 150.0(m)12, 13, 150.0(o)2C, Table 150.0-A, 150.1(b)3B, 150.1(c)10, 150.2(b)1K, 160.2(b)1D, 160.2(b)2, 160.3(b)5L, 160.5(a)1A, Table 160.5-A, 160.5(b)4C, 170.1(d)2F, 170.2(c)3B, Table 170.2-K, 180.2(b)4A Efficiency 10-103(a), 10-103(c), Table 110.2A-E, Table 110.2-I, Table 110.2-N, 120.1(c), 120.6(a)4G, 120.6(b)5, 140.4(c), 140.4(h), 140.4(i), 140.8(b), 140.9(a)4, Table 140.9-B, 141.0(b)3, 150.0(m)12, Table 150.2-D, 160.2(b), 160.2(c)1, 170.2(c)3B, 170.2(c)4, Table 170.2-F, 170.2(e)7 Levels 110.1(b), 110.1(c), Table 141.0-E, Table 150.2-D Requirements 110.2(a), Table 110.2D120.6(b)1G, Table 120.6-D Standard 110.2(a), Table 110.2-J Efficient Drift Eliminators 110.2(e) Egress 120.1(d), 130.1(a), 130.1(c)1, 6, 7, Table 130.5-B, 140.6(a)3K, 140.6(c)3H, 150.0(s)2, 150.1(c)4E, 160.2(c), 160.5(b)4, 170.2(e)2C, 4B Electric Clothes dryer 150.0(v), 160.9(c) Cooktop 150.0(u), 160.9(b) Demand 110.4(b) Furnace 110.2(d) Power distribution 160.6 Ready building 160.9 Reheat 141.0(a)2, 141.0(b)2C, 141.0(b)3, 180.2, 180.2(b)2B Resistance heating 110.4(a), 120.2(d), 120.6(a)2, 120.6(a)7, 140.4(g), 141.0(b)2C, 160.3(a)2, 170.2(c)4E Resistance space heat 141.0(b)2C, 150.2(b)1G, 180.2(b)2A, 180.2(b)2B Resistance water heater 150.2(b)1H, 180.2(b)3C Vehicle (EV) charger 110.10(b)1A, 110.10(b)1B Electrical Boxes 150.0(k)1, 160.5(a)1E Circuits 130.5(b), 130.5(d), 141.0(b)2P, Q, R, 160.6(b), 180.2(b)4B Energy monitoring 130.5(b), 141.0(b)2P, Q, R, 160.6(b), 180.2(b)4B Feeder 130.5(a), 141.0(b)2P, 160.6(a), 180.2(b)4B Input power 120.6(a)4G, 120.6(a)8H, 120.6(b)5H, 120.10(a), 140.4(c)1, 170.2(c)4A Load 130.2(c), Table 130.5-A, Table 130.5-B, 160.5(c)2, Table 160.6-A, Table 160.6-B Output 150.1(c)14, 170.2(f) Panel 110.9(c), 150.0(n), 160.4(a), 160.9(c) Power distribution system 100.0(b), 110.11, 120.6(h), 130.0, 130.5, 130.0(a), 141.0(a)1, 141.0(a)2, 141.0(b)2C, 141.0(b)2P, Q, R, 160.6(b), 180.1(a), 180.2(b)4 Receptacle 150.0(n), 160.4(a) Service 110.10(c), 110.10(e), 130.5(a), 140.4(i), 141.0(b)2P, 150.0(n, t, u, v),

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

160.2(b)2, 160.2(c)1A, 160.2(c)8, 160.3(d)2, 170.2(c)3B, 170.2(c)4 Recovery bypass 140.4(q), 170.2(c)4N, 170.2(c)4O Recovery requirements by Climate Zone and percent outdoor air at full design airflow (<8,000 hours / year) Table 140.4-J, Table 170.2-I Recovery requirements by Climate Zone and percent outdoor air at full design airflow (8,000 hours / year) Table 140.4-K, Table 170.2-J Star program 110.10(b)1A, 110.10(b)1B, 140.9(a)4 Storage System (ESS) 140.4(i), 140.4(j), 150.0(s), 170.2(c)4 Use 120.3(c), 130.5(a), 140.4(a)1, 140.4(e), 140.4(f), 141.0(a)2, 150.2(a)2B, 160.3(c)1, 160.6(a), 170.2(c)1, 170.2(c)4, 180.1(b)2 Enforcement Agency 10-103(d), 10-105, 110.6(a)5, 110.6(a)5, 110.6(a)6, 110.9(c), 110.9(d), 110.10(a), 120.5(a), 120.6(a)7, 120.6(b)6, 120.6(c)8, 120.6(e)6, 120.6(f)5, 120.6(g)2, 120.6(i)4, 130.1(a), 130.1(c)1, 130.4(a), 140.0(c), 140.3(a)8, 140.3(d)2, 140.9(b)3, 140.9(c)3-4, 160.2(a), 160.3(d)1, 160.3(d)2, 160.5(b)4, 160.5(e)1 Entire Building 110.10(b)1B, 120.1(d)2, Equation 140.3-B, 140.3(a)9C, 140.4(g), 140.6(b)3A, 140.6(c)1, 141.0(b)2A, 141.0(d), 150.2(b), 160.2(c)5B, Equation 170.2-B, 170.2(c)4E, 180.2(b)1C, 180.4 Envelope 110.7, 120.0, 120.2(a)1, 120.6(h)4, 120.8(b)5, 120.8(c)5, 140.3(a), 140.3(d)2H, 140.4(b)5, 141.0(a)1, 141.0(a)2, 141.0(b)2, 141.0(b)3, 141.1(c)2, 150.0(m)1B, 150.0(o)1C, 160.1, 160.2(b)2, 160.3(a)2A, 160.3(b)5A, 170.2(a), 170.2(c)2E, 180.1(a)1, 180.2(b)1 Envelope Component Package – Multifamily Standard Building Design Table 170.2-A Envelope Component Requirements 140.3(A), 170.2(A) Envelope Leakage 150.0(o), 160.2(b)2A Equation 140.3-A 140.3(a)5 140.3-B 140.3(a)5 140.3-D 140.3(d)2, 140.3(d)3, 170.2(a)3A 140.4-A 140.4(c)1 150.1-C 150.1(c)14 Equipment 170.2(c)3 Expectations 120.8(b) Loads 140.4(b)9, 170.2(c)2I Maintenance 110.8(g)2, 120.3(b), 120.4(f), 150.0(m)9, 160.3(b)5I, 160.3(c)1A, 160.3(c)2G, 160.4(f)1 Selection 140.4(a), 170.2(c)1 Sizing 140.4(b), 150.0(h), 160.3(b)1, 170.2(c)2 Escalator 120.6(g), Table 130.5-B, Table 160.6-B Evaporative Condenser Table 110.2-F, 120.6(a)4G, 120.6(a)7C, 140.4(h), 170.2(c)4F Cooler 150.0(m)12, 160.2(b)1 Evaporative-cooled condenser 120.6(a)4, 120.6(b)1

c)2I Maintenance 110.8(g)2, 120.3(b), 120.4(f), 150.0(m)9, 160.3(b)5I, 160.3(c)1A, 160.3(c)2G, 160.4(f)1 Selection 140.4(a), 170.2(c)1 Sizing 140.4(b), 150.0(h), 160.3(b)1, 170.2(c)2 Escalator 120.6(g), Table 130.5-B, Table 160.6-B Evaporative Condenser Table 110.2-F, 120.6(a)4G, 120.6(a)7C, 140.4(h), 170.2(c)4F Cooler 150.0(m)12, 160.2(b)1 Evaporative-cooled condenser 120.6(a)4, 120.6(b)1

System 120.6(a)4, 140.4(m), 170.2(c)4K Evaporator 110.2(a), 120.6(a)3, 120.6(a)7 Evaporator Coil 150.0(m)13, 150.2(b)1F, 160.3(b)L, 180.2(b)2A Evaporator Fan 120.6(a)3, 120.6(a)7 Exchange Air 150.0(m)7, 160.3(b)G Executive Director 10-102, 10-103.1(a), 10103.1(e), 10-103.1(f)2, 10-104(b), 10-105(ac), 10-106(b), 10-107(b), 10-108(b), 10109(b)1, 10-110(a-g), 10-115(c), 120.4(b)1A, 120.6(a)4F, 120.6(b)1D, 120.6(e)1, Table 140.4-G, 140.10(a)2C, 141.0(b)3C, 150.0(m)2A, 150.0(n)3, 150.1(c)14B, 150.2(a)1D, 150.2(b)1H, 160.3(b)5B, 160.3(c)2C, 160.4(c), 170.2(a)6, Table 170.2G, 170.2(d)4, 170.2(f)B, 170.2(g)2C, 180.1(a)3B, 180.3(b)3C Exfiltration 100.1, 110.7, 120.7(a)3A, 150.0(a), 160.1(a)3 Exhaust 120.1(c)4, 120.1(d)3, 120.1(e), 120.2(f), Table 120.1-A, 140.4(c)1, 180.3(b)5B Air heat recovery 120.1(g)2E-3, 140.a(e)1, 140.4(q), 170.2(c)4O, 160.2(b)2B, 160.2(c)8B, 160.2(c)8C(ii)(i) Airflow (vi)e160.2(c)4 Fan 120.2(f), 140.4(c)1, 140.4(p)3, 150.0(k)1, 160.2(b)2B, 160.5(a)1A-C, 170.2(c)4A, Table 180.2-D Flow rate Table 120.1-B, 120.6(c), 140.9(c)1, Table 160.2-C, Table 160.2-E, Table 160.2-F Hood 100.1, 140.9(b), 150.0(o)2B, 160.2(b)2B Makeup air 120.1(c)4, 140.4(o), 150.2(a)1C, 160.2(c)4-5D, 180.1(a)2B, 180.1(b)3B, System 10-103(b), 100.1, 120.1(d)1, 120.1(d)4E, 120.1(f)1, Table 120.1B(A), 140.4(o), 140.9(c)3, 141.1, 150.2(b)1M, 160.2(b)2A, 160.2(b)2A, 160.2(b)2B, 160.2(c)7A, 160.3(a)2E, 160.3(d)2B, 160.5(a)2G Exhaust, Return, Relief, Transfer Fan Power Allowances (Watt/CFM) Table 170.2-C Exhaust, Return, Relief, Transfer Fan Power Allowances (Watts/ CFM) Table 140.4-B Existing Buildings 10-103(a)1C, 10-103(a)2A, 10-103(a)3D, 10-103(d)2, 10-106(a), 10-111(a)2, 100.0(e)3, 100.0(e)4, 100.1, 110.0, 110.8(d), 120.0, 130.0(b),140.0(c), 141.0(b)2D, 141.0(b)2Q, 150.1(b)2, 150.2(a)1, 150.2(a)2BC, 180.1(a)2, 180.2(b)5 Conditions 100.0(a)2, 100.1, 141.0(a)2B, 141.0(b)3B, Table 141.0E, 150.2(b)2B, Table 150.2-D, 180.1(b)2, 180.2(c), 180.3(c)2 Current limiters 110.9(c)3 Duct system 141.0(a), 141.0(b)2D, 141.0(b)2E, 150.2(a), 150.2(b)1D, 150.2(b)1E, 150.2(b)1L, 180.1, 180.2(b)2A, 180.2(b)2B, 180.2(b)5A Efficiency 141.0(b)3D, Table 150.2-D, 180.2(c)

Multifamily buildings 100.0(e)3C, 100.1, 160.5(b), 180.0, 180.1, 180.2 Nonresidential 100.0(e)3A, 120.6(b)1G-H, 120.6(b)2C, 141.0,

141.1

Overcurrent protection device 110.9(d)2 Plus alteration plus addition (E+A+A) 141.0(a)2, 150.2(a)2B, 180.1(b)2B Roof 141.0(b)2B System Table 120.2-A, 120.6(a)3B, 141.0(a)2, 141.0(b)3, 150.2(a), 180.1,

180.2 Exit Sign 130.3(a)1, 140.6(a)3J-K, 140.8(b)6, 160.5(d)1, 170.2(e)2C, 170.2(e)7B Extension 10-111(a)2, 141.0(b)2D, 150.2(a)1A-B, 150.2(b)1D, 180.1(a)1, 180.3(b)2A, 180.3(b)2B Exterior Ceiling 140.3(a)1, 140.3(a)6A, 70.2(a)1, 170.2(a)3B Door 10-111, 110.6, 140.3(a)7, Table 140.3-B, Table 140.3-C, Table 140.3D, 141.0(b)2R, 150.2(b)1N, 170.2(a)4, Table 170.2-A, 180.2(b)1D Floor 140.3(a)4, 170.2(a)5 Roof 140.3(a)1, 140.3(a)6A, 170.2(a)1, 170.2(a)3B Soffit 140.3(a)4, 170.2(a) Wall 110.8(b), 140.3(a)2, 140.3(a)5, 150.0(e)2, 150.0(g)2, 150.0(j)1, 150.1(c)1B, 150.2(b)1I, 160.1(d)2, 160.1(f)2, 160.4(f)1, 170.2(a)2A, 170.2(a)3A External Insulation 110.3(c)3, 110.8(d)2

F

Factory Calibrated 120.1(d)4F, 120.5(a)4, 120.6(c)7B, 140.9(c)3C, 140.9(c)3D, 160.2(c)5D, 160.3(d)1D Factory-built fireplace 150.0(e), 160.1(f) Factory-fabricated duct system 120.4(b)1, 150.0(m)2, 160.3(b)5B, 160.3(c)2C Factory-installed label 110.9(c)2, 130.0(c)1, 140.3(d)2J, 160.5(b)1A Fan 120.10(a), 150.0(m) Airflow 120.6(c)1, 140.4(m), Table 140.4-J, Table 140.4-K, Table 150.5-H, 150.1(c)12B, Table 160.2-H, 170.2(c)4K, 170.2(c)4O, Table 170.2-I, Table 170.2-J Array 120.10(a), 140.4(c)1, 170.2(c)4A Capacity 140.4(c)2, 170.2(c)4A Control 120.6(j)3, 140.4(m), 170.2(c)4K Control systems Table 140.4-I Efficacy 150.0(m)12D, 150.0(m)13, 150.0(o)2C, 150.1(b)3B, 150.1(c)10, 160.2(b)1D, 160.2(b)2A, 160.2(b)2B,160.3(b)5L, 170.1(d)2F, 170.1(d)3B, Table 170.2-K Energy index (FEI) 120.10(a) Fan-coil motor 140.4(c)3

306 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Vertical fenestration 140.3(d)2, 140.3(d)3, Table 140.3-E, Equation 140.3-C, Table 140.6-A, 141.0(b)2A, Table 141.0-A, 150.2(b)1A, 150.2(b)1B, 150.3(a)5D, 170.2(a)3A, Equation 170.2-A, Table 170.2-L, 180.2(b)1C Vertical glazing 130.1(d)5, 140.3(a)5C, 160.5(b)4D, 170.2(a)3A Vertical window 140.3(a)3, 140.3(a)5, 170.2(a)2B, 170.2(a)3A Visible reflectance 140.3(d)2E, 140.3(d)3F Visible Transmittance (VT) 10-111, 110.6(a)4, Table 110.6-A, Table 110.6-B, 140.3(a)5D, Equation 140.3B, 140.3(c)4, 140.3(d)2F, 170.2(a)3A, 170.2(b)4 Window area 110.6(a)1, 140.3(a)5A, Equation 140.3-B, Equation 170.2-B Window film Table 110.6-A, Table 110.6-B, 141.0(b)3A, Table 141.0-E, Table 141.0-D Window operation 150.0(o)1A, 160.2(b)2A Window wall ratio Equation 140.3-b, 140.3(d)3B, Equation 170.2-B Fiberglass Ducts 120.4(b)1B, 150.0(m)2B, 160.3(c)2C Field Inspection 110.9(c)1A Field Verification 10-103(a)1B-C, 10103(a)2A, 10-103(a)3C-D, 10-103(a)5, 10-109(a-b), 10-109(j), 110.1(c)2, 141.0(b)2D, 141.0(b)2E, 150.0(m)1B, 150.0(m)13, 150.0(o)1C, 150.0(o)2, 150.1(b)3B, 150.1(c)7A, 150.1(c)9B, 150.1(c)10, 150.2(b)1D, 150.2(b)1E, 150.2(b)1F, 150.2(b)1M, 160.2(a)1, 160.2(b)2A, 160.2(b)2B-C, 160.3(b)5A, 160.3(b)K-L, 160.3(c)2H, 170.1(d), 170.2(c)3B, 180.1(a)2, 180.1(b)3, 180.3(b)2A, 180.3(b)2B, 180.3(b)2B, 180.3(b)5 Field-Fabricated (Ducts) 120.4(b)2A, 150.0(m)3A, 160.3(b)5C, 160.3(c)2C Filter Drier 150.0(h)3B, 160.3(b)3B Filtration Flow 150.0(p)1 Filtration Pump 150.0(p)1 Fire Door 110.6(b) Fire Protection 150.1(c)5, 170.2(a)4 Fire Station 130.0(b)3, Table 140.7-B Fireplace 110.2(c), 110.5(e), 150.0(e), 150.0(m), 160.1(f), 160.3(b)5A Firing Rates 120.6(d)3, 120.9(c), 160.4(e)3 Fixed Enthalpy Table 140.4-G, 140.4(e)2D, Table 170.2-G, 170.2(c)4C Fixed Vents 120.4(a)3, 120.7(a)3B, 160.1(a)2C, 160.3(c)2B, 160.3(c)2H, 180.2(b)2B Fixtures 110.3(c)4, 110.9(c)1A, 150.0(n)1B Flame Spread Rating 110.8(c) Flexible Ducts 120.4(a-b), 150.0(m)1C, 150.0(m)2C, 150.0(m)3A, 150.0(m)10, 160.3(b)5A, 160.3(b)5B, 160.3(b)5C, 160.3(b)J, 160.3(c)2A, 160.3(c)2C Floor Area 10-103(a)5C, 100.0(f), 11010(b)1A, 120.1(c)2, Equation 120.1-F, Equation 120.1-G, 120.1(d)4E, 120.2(g), 120.4(g)1C, 120.6(b),

3(c)2B, 160.3(c)2H, 180.2(b)2B Fixtures 110.3(c)4, 110.9(c)1A, 150.0(n)1B Flame Spread Rating 110.8(c) Flexible Ducts 120.4(a-b), 150.0(m)1C, 150.0(m)2C, 150.0(m)3A, 150.0(m)10, 160.3(b)5A, 160.3(b)5B, 160.3(b)5C, 160.3(b)J, 160.3(c)2A, 160.3(c)2C Floor Area 10-103(a)5C, 100.0(f), 11010(b)1A, 120.1(c)2, Equation 120.1-F, Equation 120.1-G, 120.1(d)4E, 120.2(g), 120.4(g)1C, 120.6(b),

Fan-powered Condensers – Minimum Efficiency Requirements Table 120.6-B Fan-powered Condensers – Specific Efficiency Requirements Table 120.6-D Fan-powered gas cooler 120.6(a)8, 120.6(b)5, Table 120.6-E Fan-type central furnace 110.5(a) Motor Table 110.2-F, 120.6(a)3A, 120.6(a)7B, 120.6(d)2A, 120.9(b), 140.4(m)3, 140.9(b), 160.4(e)2 Motor demand 120.6(c)2, 120.6(d)2B, 120.6(j)3, 120.9(b)2, 160.4(e)2B, 170.2(c)4K Power 120.6(a)4G, 120.6(a)8H, 120.6(b)5H, 140.4(c)1, 140.4(m), 140.4(p)1-2, 140.9(a)2, 141.0(b)2C, 170.2(c)3B, 170.2(c)4F Power allowance 140.4(c)1A, Table 140.4-A, Table 140.4-B, 141.0(b)2C, Table 141.0-D, 170.2(c)4A, Table 170.2-B, Table 170.2-C Power budget 140.4(c)1A, 141.0(b)2C, 170.2(c)4A Power consumption 140.9(a)2 Power Limitation Pressure Drop Adjustment Table 180.2-D Pressure 120.2(j)1, 160.3(a)2I Speed 120.6(a)4G, 120.6(a)8H, 120.6(b)5H, 120.6(j)3, 140.4(h)4B, 150.0(k)1E, 150.0(m)13D, 160.3(b)5L, 170.2(c)4K Speed control 140.4(h)1, 140.4(m), 150.0(k)1E, 160.5(a)1E, 170.2(c)4F System 120.6(j)3, 120.10(a), 140.4(c), 140.4(e)1, 140.4(p)1, 140.4(q), 140.9(a)1-2, 140.9(c), Table 141.0-D, 141.0(b)1C, 141.1(a), 150.0(m)7, 160.3(b)5G, 170.2(c)4A System airflow 140.4(c)1A, 170.2(c)4A Variable flow 120.5(a)6 Fault Detection and Diagnostics (FDD) 120.2(i), 120.5(a)11-12, 160.3(a)2H, 160.3(d)1K-L Fault Detection Sensor 120.6(i)1-2 Fault Indicator Display (FID) 150.1(c)7A, 150.2(b)1F, 170.2(c)3B, 180.3(b)2A Federal Agency 100.0(e)2D, 110.1(b)2 Feeder Conductors 130.5(c) Feeders 141.0(b)2P, 160.3(c)1B, 180.3(b)4B Fenestration 141.0(b)2a, 150.0(q), 150.1(c)3, 150.1(c)5, 150.2(a)1b, 150.2(b)1a, 150.2(b)1b, 170.2(a)3, 180.2(b)1 Bay window 150.0(c) Chromogenic glazing 140.3(a)5B, 140.3(a)5C, 140.3(a)5D, 140.3(a)6B, 140.3(a)6C, 140.3(a)6D, 150.1(c)3A, 170.2(a)3A, 170.2(a)3A, 170.2(a)3A Clerestory fenestration 140.3(d)1, 140.3(d)3B, Table 140.3-C, Table 140.6-A, Table 170.2L Component Modeling Approach (CMA) 110.6(a)5 Curtain walls 141.0(b)1B, 180.2(a)2D Dual-glazed 150.0(q)1, 150.2(b)2C, 160.1(e)1, 180.3(c)3

a)3, 180.2(b)1 Bay window 150.0(c) Chromogenic glazing 140.3(a)5B, 140.3(a)5C, 140.3(a)5D, 140.3(a)6B, 140.3(a)6C, 140.3(a)6D, 150.1(c)3A, 170.2(a)3A, 170.2(a)3A, 170.2(a)3A Clerestory fenestration 140.3(d)1, 140.3(d)3B, Table 140.3-C, Table 140.6-A, Table 170.2L Component Modeling Approach (CMA) 110.6(a)5 Curtain walls 141.0(b)1B, 180.2(a)2D Dual-glazed 150.0(q)1, 150.2(b)2C, 160.1(e)1, 180.3(c)3

Exterior shading device 150.1(c)4 Exterior window 140.3(a)5 Fenestration area 140.3(d)3A, 150.0(q)1, 150.1(c)3B-C, 150.2(a)1A, 150.2(a)1B, 150.2(b)1A, 160.1(e)1, 170.2(a)3A, 180.1(a)1A, 180.2(b)1C Fenestration product 10-111, 100.0(g), 110.6, 150.0(q), 150.1(c)3A, 150.1(c)5, 150.2(b)1B, 160.1(e), 170.2(a)3A, 180.1(a)1B, 180.2(b)1C Field-fabricated (fenestration, doors)10111(a)2, 10-111(b)2C, 110.6(a), 110.6(b) Garden window 150.0(q)1, 150.2(b)2C, 160.1(e), 180.2(c)3 Glazed door Table 110.6-A, 140.3(a)7, Table 140.3-B, Table 140.3-C, Table 140.3-D, 150.1(c)3A, 150.1(c)5, 170.2(a)3A, 170.2(a)4, 170.2(a)6, Table 180.2-B Glazing 10-111(d)1, Table 110.6-B, 120.6(h)4B, 130.1(d)3D, 130.1(d)5, 140.3(a)5, 150.1(c)3B, 150.1(c)4D, 160.1(b)4D,170.2(a)3A, 170.2(a)3A, 170.2(a)3A, 170.2(a)3B Glazing area 130.1(d)5, 150.1(c)3A, 160.1(b)4D, 160.5(b)4D, 170.2(a)3A Glazing height 140.3(d)1C Glazing material 140.3(c)5, 170.2(a)3B,170.2(b)5 Greenhouse window 150.0(q)1, 150.2(b)2, 160.1(e)1, 180.2(c)3 Interior shading 140.3(a)5C, 170.2(a)3A National Fenestration Rating Council (NFRC) 100.1 NFRC-100 10-111(a)1B, 110.6(b) NFRC-200 10-111(a)1B, 110.6(a)3-4, Table 110.6-B, 140.3(a)5D, 170.2(a)3A NFRC-203 10-111(a)1B, 110.6(a)4 NFRC-400 10-111(a)1B, 110.6(a)1 Operable shading 140.3(d)1D, 150.1(c)4B Relative Solar Heat Gain Coefficient (RSHGC) 140.3(a)5C-D, Table 140.3-B, Table 140.3-C, 141.0(b)2A, Table 141.0-A, 141.0(b)3A, Table 141.0-E, 170.2(a)3A, Table 170.2-A, 180.2(b)1C, Table 180.2-B Site-built fenestration 110.6(a)5-6, 150.1(c)3A, 170.2(a)3A Skylight products 150.0(q), 160.1(e) Skylight Roof Ratio (SRR) 140.3(a)6A, Table 140.3-B, Table 140.3-C, Table 140.3-D, 170.2(a)3B Solar Heat Gain Coefficient (SHGC) 10-111, 10-112(a), 110.6(a)3, 110.6(b), Table 110.6-B, 140.3(a)5CD, 140.3(a)6C, Table 140.3-B, Table140.3-C, Table 140.3-D, Table 140.3-E, 140.4(b)5, 150.1(c)3, 150.1(c)4, Table 150.1-A, 150.2(b)1A, 150.2(b)1B, Table 150.2-D, 170.2(a)3A, 170.2(a)3B South-facing 140.3(d)1A, 140.3(d)3B, 150.1(c)4D Spandrel panel 120.7(b)6, 141.0(b)1B, 160.1(b)6, 180.2(a)2D

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

120.7(a)3C, 130.1(d), 140.3(a)9C, 140.3(c), 140.4(g), 140.6(c)1D, 140.6(c)2D, 140.6(c)3D, 140.6(c)3H-I, 140.10(a), Table 140.10-A, 141.0(b)2D, Equation 150.0-B, 150.0(q)1, Table 150.0-G, 150.1(c)3, 150.1(c)8, 150.1(c)12, Equation 150.1-C, 150.2(a)1, 160.1(e)1, Equation 160.2-B, 160.2(c)2, Equation 160.2-C, 160.2(c)5D, Table 160.2-G, 160.3(a)2F, 160.3(c)2H, 160.5(b)4D, 170.2(a)3A, 170.2(b), 170.2(e)4A-B, Equation 170.2-C, 170.2(g), Equation 170.2-D, Table 170.2-U, 180.1(a)1A, 180.1(a)2A, 180.1(b)3A Assembly 120.7(c), 141.0(b)1C, 150.1(c)1C, 160.1(c), 170.2(a)5, 180.2(a)3A Display and task 140.6(c)3H Floor-mounted Air Conditioners and Condensing Units Serving Computer Rooms – Minimum Efficiency Requirements Table 110.2-L Insulation 141.0(b)1C, 150.0(d), 150.1(c)1C, Table 150.2-D, 160.1(c), 170.2(a)5, 180.2(a)3 Plan 140.3(c)1, 170.2(b)1 Flow Controls 10-103.1(b)1B, 10-103(c)3B, 120.5(a)6-7, 140.4(k)5-6, 160.3(d)1FG, 170.2(c)4I Flow-based controls 110.2(e) Grid 150.0(o)1G, 150.0(o)1H, 160.2(b)2A, 160.2(b)2A Hood 150.0(o)1G, 150.0(o)1H, 160.2(b)2A, 160.2(b)2A Meter 110.2(e)3 Rate 140.4(d)2A, 140.4(k)1, 140.9(b)1B, Table 140.9-C, 150.0(p)1, 160.9(c)2A, 170.2(c)4I Flue Damper 110.2(d), Table 110.2-I, 150.0(e)3, 160.1(f)3 Flue Gas 120.6(d)3, 120.9(c), 160.4(e)3 Fluid Distribution System 120.3(a), 160.3(c) Fluid Temperature 110.2(a), Table 110.2-D, 120.3(c)1, 140.4(h)1, Equation 160.3-A, 170.2(c)4F Fluorescent Lighting 140.6(c)3J, 140.8(b)4, 170.2(e)7B Foam Insulation 110.8(b), 120.4(f), 150.0(m)9, 160.3(b)5I, 160.3(c)2G Food Preparation Equipment 40.6(a)3E, 170.2(e)2 Forced Air Ducts 150.0(m)11, 150.0(m)12, 150.0(m)13, 150.1(c)7, 150.2(b)1F, 160.3(b)5, 170.2(c)3 Forced Air Heating 150.0(h)4, 160.3(b)4 Foundation Wall Table 110.8-A, 150.0(d)I, 150.1(c)1C, 160.1(c)4A, 170.2(a)5 Frame Table 110.6-A, Table 110.6-B, 120.7(a)2, Equation 170.2-B, 80.2(a) Framed Walls 120.7(b), Table 140.3-D, 150.1(c)1B, Table 150.1-A, 150.2(a)1A-B, 160.1(b), 180.1(a)1, 180.1(b)2 Framing Factor Table 140.3-A, Table 140.3B, Table 140.3-C, 141.0(b)1B, 150.0(c),

150.0(d), 160.1(a)2B, 160.1(c)2, Table 170.2 A Framing Members 141.0(b)1C, Table 150.1-A Freezer Table 120.1-A, 120.6(a), Table 120.6-A, 120.6(b), 140.6(a)3E, Table 160.2-B, 170.2(e)2C Full Load Rating Conditions 120.6(a)3A, 140.4(c)3, 170.2(c)4A Full or Partial Off 160.5(b)4C Fully On 130.1(c)6C, 130.1(c)7, 160.5(b)4C Fume Hood 140.9(c)3B Fume Hood Intensive Laboratories 140.9(c)4, Table 140.9-D Function 110.2(a)3, 110.9(b)1D, 110.12(a), 110.12(c)1, 120.8(b)3, 120.8(f)4, 130.1(c)6D, 130.1(f), 141.0(b)2I, 160.5(b)4C, 160.5(b)4F, 180.3(b)4B Function Areas 120.6(g)1, 120.8, 130.1(c)1C, 130.1(c)3B, 130.1(c), 140.6(a)3D, 140.6(c)2AB, 140.6(c)2G, 140.6(c)3A, 140.6(c)3F, 140.6(c)3, 170.2(e)4 Functional Areas 160.5, 130.0(b) Functional Performance Testing 120.8(a)6, 120.8(g) Furnace Installation 150.0(h)4A, 160.3(b)4A Furnace Output 150.0(h)1 Future 240V Use 150.0(n)1, 150.0(t)2, 150.0(u)2, 150.0(v)2, 160.4(a)1B, 160.9(a)2, 160.9(b)2, 160.9(c)

G

Gas Bypass 140.4(e)3B, 170.2(c)4C Cooler efficiency 120.6(a)8H, 120.6(b)5H Cooler pressure 120.6(a)8E-F, 120.6(b)5E-F Fired furnace 110.2(d), Table 110.2-I, Table 110.2-J Furnace 150.0(m)13, 150.1(c)10, 160.3(b)5L, 170.2(c)3B Heater 110.4(b)2 Log 150.0(e), 160.1(f) Or propane 100.2, 150.0(n)1, 150.0(t-v), 150.1(c)8, 150.2(a)1D, 150.2(b)1H, 160.4(a), 160.9, 170.2(d)1C, 170.2(d)3, 180.2(b)3C Service water heating 140.5(c), 141.0(a)2, 170.2(d)3A Supply 160.4(a)4 Water heater 140.5(c), 150.0(n), 170.2(d)3 Gas- and Oil-fired Boilers, Minimum Efficiency Requirements Table 110.2-J Gasket 110.7, 120.1(c)1D, 150.0(a)3, 150.0(k)1C, 150.0(m)12B, 160.1(a)1B, 160.2(b)1B, 160.2(c)1D, 160.5(a)1C Geometry 140.3(a)6E, 141.0(b)3D2, 150.2(b)2C, 170.2(a)3b, 180.2(c)3 Glass Door (Fireplace) 150.0(e), 160.1(f)1 Gravity Floor Heater 110.2(c) Gravity Room Heater 110.2(c) Gravity Ventilation Damper 150.0(m)8, 160.3(b)5H

Greenhouse Table 110.6-A, 120.6(h)4-6, 140.3(a)5-6, 140.6(a)3W, 141.1(c), 150.0(q)1, 160.1(e)1, 180.2(c) Grille 120.1(c)1D, 141.0(b)2D, 150.0(m)12B, 150.0(m)13B, 150.0(m)13D, 150.0(o)1G, 150.0(o)1H, Table 150.0-B, Table 150.0-C, 150.2(b)1D, 150.2(b)1L, 160.2(b)1B, 160.2(b)2A, 160.2(b)2A, 160.2(b)2C, 160.2(c)1D, 160.3(b)5L, 160.3(b)5L, Table 160.3-A, Table 160.3-B, 180.3(b)2A, 180.3(b)2B, 180.3(b)5A Guest Room 110.3(c)4, 120.2(c), 120.2(e)3-4, 130.0(b)4, 130.1(c)8, 130.2(b), 130.5(d), 140.3(a)1A, Table 140.3-B, Table 140.3-C, 140.6(a)3L, 141.0(b)1C2

H

Head Height 140.3(d)1, 140.3(d)3 Health and Safety Department 140.4(o)2, 140.9(c)1, 170.2(c)4M Healthcare Facilities 10-103(a), 110.12, 120.2(e)4, 120.4, 120.5, 120.6(e), 120.6(f), 120.8,110.3(a)1, 110.3(c)2, 120.1(a), 120.2(b), 130.1(a)2, 130.3, 130.4, 140.4(a)1, 140.4(b), Table 140.4-A, Table 140.4-B, Table 140.7-B

Heat Addition 140.4(k)7 Exchanger 110.3(c)1, Table 120.6-A, 140.4(e)3A, 140.4(k)6B, 140.4(k)8B, 170.2(c)4C, 170.2(c)4I Flow 140.3(a)5B-C, 140.3(a)6B, 170.2(a)3A Heat-activated tape 120.4(b)1B, 150.0(m)2B, 160.3(b)5B, 160.3(c)2C Loss 110.3(c)3C, 110.8(d)2, 120.2(a)2, 120.7(a), 160.3(a)2A Loss/gain 120.2(a), 160.3(a)2A Pump 10-103.2(b)1B, 110.2(b), 110.2(c), Table 110.2-B, Table 110.2C, Table 110.2-E, Table 110.2-H, Table 110.2-K, 120.2(b)4, 120.2(d), 140.4(k)5, 140.4(k)7, 141.0(b)2C, 150.0(i), 150.1(c)7A, 150.2(b)1F, 160.3(a)1, 160.3(a)2B-C, 160.3(c)1A, 170.2(c)3B, 170.2(c)4I, 170.2(c)4I, 180.2(b)2B Pump and Heat Recovery Chiller Packages – Minimum Efficiency Requirements Table 110.2-N Pump controls 120.2(d), 160.3(a)2C Pump space heater 160.9(a), 150.0(t) Pump water heater (HPWH) 150.1(c)8A, 150.2(a)1D, 150.2(b)1H, 170.2(d)1-2, 180.2(b)3C Pumps, Minimum Efficiency Requirements Table 110.2-B Recovery 120.1(c)1, 120.6(b)4, 120.6(h)1, 140.4(e)1, 140.4(i), 140.4(k)8, 140.4(p)4, 140.4(q), 140.9(b)2B, 150.0(m)12, 150.0(o)2C, 150.1(c)8, 160.2(b)1, 160.2(b)2A, 160.2(b)2B, 160.2(c)1A, 160.3(d)2D, 170.2(c)3B, 170.2(c)4G, 170.2(c)4NO, 170.2(d)1, 170.2(d)3C

308 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Independent Controls 150.0(k)2G, 160.5(a)2G Independently Controlled 130.2(c), 160.5(c)2 Individual Zone Box 140.4(c)2B, 170.2(c)4A Indoor Air quality 120.1, 160.2, 150.0(o), 150.2(a)1C, 150.2(a)2C, 150.2(b)1L-M, 180.1(a)2, 180.1(b)3, 180.2(b)5 Air-cooled condenser Table 110.2-F, 120.6(a)4B, 120.6(a)4D-E, 120.6(a)4H, 120.6(a)7D, 120.6(b)1AB, 120.6(b)1H Fan airflow 140.4(m), 170.2(c)4K Fans cycle 140.4(m), 170.2(c)4K Growing 120.6(h), 140.6(a)3W, 141.1(c) Signs 130.3(a)1, 160.5(d)1 Temperature 140.4(b)2, 160.3(b)2A, 170.2(c)2B Industrial Sites 140.7(a)5 Infiltration 110.7, 120.7(a)3A, 150.0(a)4, 150.0(m)1B, 160.1(a)3, 160.3(b)5A Infiltration Barrier 120.6(a)6 Infiltration Effectiveness Weather and Shielding Factors

[ASHRAE 62.2: Table B1] Table 150.0-D, Table 160.2-A Infiltration Rate 110.6(a)1, 150.0(o)1C Initial Solar Reflectance 110.8(i)2 Initial Wattage Allowance (IWA) 140.7(d)1C, Table 140.7-A, 170.2(e)6D, Table 170.2-B Inlet-to-Outlet 150.0(h)4, 160.3(b)4 Input Capacity per stack 120.9(a)2, 160.4(e)1B Power 120.6(a)4G, 120.6(b)5H, 120.10(a), 140.4(c)1, Table 140.4-A, 140.4(p)1, 140.8(b)2, Table 160.5-B, 170.2(c)4A, Table 170.2-B, 170.2(e)7B Rating 110.2(d), Table 110.2-I 110.3(c)6, 120.6(i), 150.0(n)4, 160.4(d) Wattage 130.0(c)3-7, 140.8(b)3, 160.5(b)1C-G, 170.2(e)7B Installation 10-103(a)2B, 10-103(a)4, 10103(a)5A, 10-103(d)2, 10-103.1(b)2, 10103.2(b)2, 100.0(e)4, 110.0, 110.3(c)4A, 110.4(b), 110.6(b), 110.8(b), 110.8(d), 120.0, 120.6(i)3, 120.8, 130.0(a-b), 130.0(e), Table 130.5-B, Table 140.6-A, 140.9(c)3B, 141.0(b)2E, 150.0(e), 150.0(h)4, 150.0(m)11B, 150.0(m)12B, 150.0(n)1, 150.0(s-v), 150.1(b)3B, Table 150.1-A, 150.2(b)1E-F, 150.2(b)1J, 160.1(f), 160.3(b)4, 160.5, 160.9, Table 170.2-A, 180.2(b)2A, 180.2(b)2B Installation Certificate 110.10(e)2, 10103(a)3, 10-103(a)5A, 10-103(b)1, 10103(d)A-B, 10-103.1(c)3H-I, 10-103.2(c)3H-I, 100.0(h), 130.4, 140.6(a)1A, 140.6(a)2A, 140.6(c)2G, 150.1(b)3B, 150.1(c)7A, 160.5(e), 170.1(d)2, 170.2(e)2 Installation Criteria 10-115(a)4B, 110.2(e), 110.3(c), 110.8(g), Table 110.8-A, 110.10(b)1A, 120.6(e)5, 140.7(a), 150.0(h)1B, 150.0(k)1C, 150.0(p), 150.1(c)12, 150.1(c)8C, 150.2(a)1B, 160.3(b)1B, 160.5(a)1C, 160.5(b)3B,

Rejection Table 110.2-F, 120.6(a)4E, 120.6(a)8G, 120.6(b)1G, 140.4(h), 140.4(k)7, 170.2(c)4F, 170.2(c)4I Trace 110.3(c)2

Heated Slab Floor 110.8(g), Table 110.8-A, 120.7(c)3, 150.0(f)4, 160.1(c)4 Heating Capacity Table 120.2-A, 140.4(a), 141.0(a), 150.0(h)1, 150.1(b)3B, 160.3(b)1, Table 160.3-C, 170.1(d)2E, 170.2(c)4E Coil Table 140.4-A, 141.0(b)2E, 150.2(b)1C-E, 180.2(b)2A-B Heating load calculations 140.4(b)10, 170.2(c)2J Loads 110.2(b)1, 140.4(b)10, 140.4(g), 140.4(k)8, 150.0(h), 160.3(b)1, 170.2(c)2J, 170.2(c)4E Seasonal Performance Factor (HSPF) rating Table 110.2-H, 150.1(b)3A, Table 150.1-A, 170.1(d)2A, Table

2-A, 140.4(a), 141.0(a), 150.0(h)1, 150.1(b)3B, 160.3(b)1, Table 160.3-C, 170.1(d)2E, 170.2(c)4E Coil Table 140.4-A, 141.0(b)2E, 150.2(b)1C-E, 180.2(b)2A-B Heating load calculations 140.4(b)10, 170.2(c)2J Loads 110.2(b)1, 140.4(b)10, 140.4(g), 140.4(k)8, 150.0(h), 160.3(b)1, 170.2(c)2J, 170.2(c)4E Seasonal Performance Factor (HSPF) rating Table 110.2-H, 150.1(b)3A, Table 150.1-A, 170.1(d)2A, Table

170.2-K System 110.3, 110.4(a), 110.8(d)2, 110.10(b)1, 110.10(c), 120.0, 120.2(i)5, 120.3(a), Table 120.3-A, 120.6(a)2, 120.6(a)7A, 120.8(c)3, 140.4(g), 140.5, 141.0(a), 141.0(b)2, Table 141.0-E, 150.0(h)1, 150.0(j)1, 150.0(n), 150.1(c)6, 150.1(c)8, 150.2(a), 150.2(b)1G-H, Table 150.2-D, 160.3(a)2H, 160.3(b)1, 160.3(c)1A, 160.4(c), 170.2(c)3A, 170.2(c)4E, 170.2(d), 180.1, 180.2(b)2A, 180.2(b)3 Units 120.1(e) Ventilation and Air Conditioning (HVAC) 10-103.1(b)2, 100.0(f), Table 100.0-A, 110.3(a), 110.12(b), 120.1(h), 120.2(i)6, 120.4(a),120.5(a)4, 120.6(b)4A, 120.6(h)1B, 120.8(c)1, Table 130.5-B, 140.4(c)3, 140.4(k)1, 140.4(p), 150.0(h)2, 150.0(m)1A, 150.1(c)9B, 150.1(c)13, Table 150.1-A, 160.3(a)2H, 160.3(b)2A, 160.3(b)5A, 160.3(c)2A, 160.3(c)1D, Table 160.6-B, 170.2(c)3B, 170.2(c)3C, 170.2(c)4A, 170.2(c)4I, 170.2(c)4N Winter median 140.4(b)3A, 150.0(h)2, 160.3(b)2c, 170.2(c)2C Heavy Mass Wall 120.7(b)4, 141.0(b)1B, 160.1(b)5, 180.2(a)2 Heliport 110.10(b)1B High-Capacity Space 140.4(k)8 High Limit Control Table 140.4-G, 140.4(e)2D, Table 170.2-G, 170.2(c)4C High Limit Shut Off 140.4(e)2C, Table 140.4-G, 170.2(c)4C, Table 170.2-G High Performance Attic 150.1(c)9, 170.2(c)3B High-Rise Multifamily 110.10(a)3, 110.10(b)1B, Table 140.10-A, Table 140.10-B, Table 170.2-U, Table 170.2-V High-Rise Residential 10-103(a)4, 10-103(b)1B, 10-103(b)4A, 100.0(e)3A,

140.4(k)8 High Limit Control Table 140.4-G, 140.4(e)2D, Table 170.2-G, 170.2(c)4C High Limit Shut Off 140.4(e)2C, Table 140.4-G, 170.2(c)4C, Table 170.2-G High Performance Attic 150.1(c)9, 170.2(c)3B High-Rise Multifamily 110.10(a)3, 110.10(b)1B, Table 140.10-A, Table 140.10-B, Table 170.2-U, Table 170.2-V High-Rise Residential 10-103(a)4, 10-103(b)1B, 10-103(b)4A, 100.0(e)3A,

100.2, 110.3(c)4, 120.8, Table 140.3-B, 140.6(c)1A, 141.0(b) Historic Buildings 100.0(a), 140.6(a)3Q, 140.7(a)12, 170.2(e)2C, 170.2(e)6A Hole For Static Pressure Probe (HSPP) 150.0(m)13A, 160.3(b)5l Hollow Core Masonry 120.7(b)3-4, 160.1(b)4-5 Home Automation System 110.10(b)1A, 110.10(b)1B Home Energy Rating System ECC-Rater 10-103(a)5, 141.0(b)2D, 150.1(c)7A, 150.2(b)1D, 150.2(b)1E, 150.2(b)1F, 160.3(b)5K, 160.3(b)5L, 170.2(c)3B, 170.2(c)3B,180.2(b)2A, 180.2(b)2B Home Ventilating Institute Table 150.1-A Horizontal Plane 110.10(b)3 Horizontal Projection 110.10(b)3B, 140.3(a)5C, 140.3(d)2H, 140.3(d)3G, 170.2(a)3A Horizontal Slat 140.3(a)5C, 140.3(d)2, Table 140.3-E, Equation 140.3-C, 140.6(a)2L, Table 140.6-A, Equation 170.2-A, 170.2(e)2B, Table 170.2-L Horticultural Lighting 120.6(h), 140.6(a)3W, 141.1(c)3 Hose Bibb 110.3(c)4C, 110.3(c)6 Hot Water Distribution 110.3(c)2, 110.3(c)4, 140.4(k)8B, 150.1(c)8A, 170.2(d)1A Hot Water System 110.3(c)2, 110.3(c)4F, Table 120.2-A, 140.4(k)6, Table 160.3-C, 160.4(f)1, Table 160.4-A, 170.2(c)4I, 180.2(b)3 Hotel/Motel 100.0(e)2B, 100.0(e)3A, Table 100.0-A, 100.2, 110.10(a)3, 110.10(b)1B, 110.3(c)4, 120.0, 120.1, 120.2, 120.3, 120.4, 120.5, 120.6, 120.7, 120.8, 130.0(a), 130.0, 130.1, 130.2, 130.3, 130.4, 130.5, 141.0, 140.0, Table 140.3-B, Table 140.3-C, 140.4(a)1, 140.4(b)1-3, 140.4(e)1, 140.4(g), 140.5(b), 140.6(a)3L, 140.6(c)1A, Table 140.10-A, Table 140.10-B, 141.1, Table 160.4-A, Table 170.2-U, Table 170.2-V Humidification 120.6(j)2, 140.4(b)2, 140.4(e)1, 170.2(c)2B, 170.2(c)4C Humidity 120.6(a)3B, 170.2(c)4D Humidity Conditions 140.4(b)2, 170.2(c)2B Humidity Level 140.4(d), Table 140.4-G, 140.4(e)2D, 140.4(f), 170.2(c)4B, Table 170.2-G, 170.2(c)4C HVAC Controls 110.12(b) HVAC Motor 140.4(c)3 HVAC Technician 120.2(i)6B, 160.3(a)2H Hydrofluorocarbon 120.6(b)4B Hydronic Heat Pump 140.4(k)5, 140.4(k)7, 170.2(c)4I System 10-103.2(b)1B, 10-103.1(c)3B, 120.5(a)9, 140.4(k), 160.3(d)1G, 160.3(d)1I, 170.2(c)4I System Variable Flow Controls 120.5(a)7 Variable Flow 140.4(k)1, 170.2(c)4I

IAPMO R&T 150.0(n)3, 160.4(c) Identification Label 140.3(a)8C

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

70.2(a)1C, 170.2(a)6, 170.2(d)2, 170.2(d)3C, Table 170.2-L, 170.2(e)6A, 180.1(a)1B Installation Location 150.0(m)12B, 160.2(b)1B Installed Thickness 120.4(c-e), 150.0(m)4-6, 160.3(b)5D-F, 160.3(c)2D-F, 180.2(b)1A Installed Watts 140.6(a)2, 140.6(c)3H, 170.2(e)2B Installer 10-103, 10-103.2(b)2, 10-115(a)4D, 140.6(a)2I, 150.0(o)1G, 150.1(c)7A, 150.2(b)1F, 160.2(b)2A, 160.3(b)5K, 160.3(b)5L, 170.2(c)3B, 170.2(e)2B, 180.2(b)2A Instantaneous KW Demand 130.5(a), 160.6(a) Instantaneous Water Heater 110.3(c)6, 150.0(n)4, 150.1(c)8, 150.2(a)1D, 160.4(d), 170.2(d)1C Instructions 10-103(b)2, 10-103(b)4, 10-103.1(c)3I, 10-104(b)4, 110.4(a)3, 120.2(i)6B, 120.8(h)1C, 130.0(d), 140.3(a)9B, 141.0(b)2B, 150.0(e)3, 150.0(h)3B, 150.0(k)1C, 150.2(b)1I, 160.1(f)3, 160.3(a)2H, 160.3(b)3B, 160.5(a)1C, 160.5(b)2, 180.2(b)1A Insulated Duct 120.4(e), 150.0(m)6, 160.3(b)5F, 160.3(c)2F Insulating Material 110.8(a), 110.8(c), 110.8(j), 120.3, 150.0(j)1, 160.3(c)1, 160.4(f)1 Insulation 100.0(e)4, 110.3(c)3, 110.8, 120.3(a), 120.4(e), Table 120.6-A, 120.7, 141.0(b)1, Table 141.0-B, 141.0(b)2B, Table 141.0-E, 150.0(a-d), 150.0(f), 150.0(j), 150.0(m)1B, 150.0(m)6, 151.1(b)3B, 150.1(c)1, 150.1(c)9, Table 150.1-A, 150.2(ab), Table 150.2-D, 160.1(a-d), 160.3(b)5D, 160.3(b)5F, 160.3(c)2D-G, 160.4(f), 170.2(a)1-2, 170.2(a)5-6, Table 170.2-A, Table 170.2-K, 180.1(a), 180.2(a), 180.2(b)1A-B, Table 180.2-A, Table 180.2-C, 180.2(b)2A, 180.2(c) Certification 110.8(a) Conductivity 120.3(a), Table 120.3-A, 160.3(c)1B, Table 160.3-D, Table

160.4-A Materials 110.8(g)1, 140.3(a)9B, Table 140.3-A, 150.0(f)1 Placement 120.7(a)3, 160.1(a)3, 160.3(b)5A Product 120.4(c), 150.0(m)4 Protection 120.3(b), 120.4(f), 150.0(m)9, 160.3(b)5I, 160.3(c)1C, 160.4(f)2 Requirements 110.8(g), Table 110.8-A, 120.3, Table 120.3-A, 120.6(a)1, Table 150.2-A, Table 150.2-C, 160.3(c)1, 170.2(a), 180.2(b)3A Requirements for roof alterations Table 141.0-C, Table 150.2-C System 150.1(b)3B, 170.1(d)2I Thickness 120.3(c), 120.4, 150.0(m)5, 160.3(b)5E, 160.3(c)1D, Table 160.3D, Table 160.4-A Integral Current Limiter 110.9(c), 130.(c)6B, 160.5(b)1F Integrated Air economizer 140.9(a)1A, 141.1(b)1A HVAC 120.6(h)1B

Solar thermal panel 140.3(a)1A, 141.0(b)2B, 150.2(b)1I, 180.2(b)1A Water economizer 140.9(a)1B, 141.1(b)1B Interconnection Pathways 110.10(c) Interior Applications 120.4(b)2D, 150.0(m)3B, 160.3(b)5C, 160.3(c)2C Common use area lighting 170.2(e)1 Partition 140.6(c)2D, 140.6(c)3D, 140.6(c)3G, 170.2(e)4 Wall 141.0(b)2O Interlock Controls 140.4(n), 170.2(c)4L Intermittent Ignition 110.2(d), Table 110.2-I Intermittent Ventilation 150.1(c)10, 170.2(c)3B Internal Combustion Engine 120.1(d)1, 120.1(d)3, 160.2(c)5A, 160.2(c)5C Internal Heat Gain 140.4(b)10, 170.2(c)2J Internal Insulation 110.3(c)3 Interrupted Ignition Device (IID) 110.2(d), Table 110.2

Inverter 110.10(c) Irrigation System 110.10(b)1A, 110.10(b)1B Isolation Area device 120.2(g), 160.3(a)2F Controls 10-103.1(c)3B, 120.5(a)8, 160.3(d)1H Equipment 150.0(s)4 Valve 110.3(c)4C-D, 110.3(c)6

J

Joint Appendix JA2 140.4(b)3A, 150.0(h)2, 150.1(a), 160.3(b)2B, 170.0(a), 170.2(c)2 JA4 110.8(h), Table 150.1-A, Table

170.2-A JA5 110.12(a)5 JA6 120.2(i)8, 150.1(c)7A, 150.2(b)1F, 160.3(a)2H, 170.2(c)3B, 180.2(b)2A JA8 150.0(k)1B, 150.0(k)1D, Table 150.0-A, 150.2(b)1K, 160.5(a)1B, 160.5(a)1D, Table 160.5-A, 180.2(b)4A JA9 110.2(f) JA11 140.10(a), 150.1(c)14, 170.2(f), 170.2(g) JA12 140.10(b), 150.1(c)14, 170.2(f), 170.2(h) Joints 110.7, 120.3(b)2, 120.4(b)1D, 120.4(b)2D, 140.3(a)9B, 150.0(m)2D, 150.09(m)3D, 160.3(b)5B, 160.3(b)5C, 160.3(c)1C, 160.3(c)2C, 160.4(f)2B

K

kBtu/Hour 110.3(c)6, 150.0(n)4, 160.4(d) Kelvin 140.6(a)4B, 170.2(e)2D Kitchen Exhaust system 140.9(b) Local mechanical exhaust 150.0(o)2B, 150.2(b)1M, 160.2(b)2B, 180.2(b)5B Range hood 150.0(k)1A, 150.0(o)1G, 160.2(b)2A Range Hood Airflow Rates (CFM) and ASTM E3087 Capture Efficiency (CE) Ratings According to Dwelling

Unit Floor Area and Kitchen Range Fuel Type Table 150.0-G, Table 160.2-G

Label Certificate 10-111(a-b), 10-111(d)11, 110.6(a)5B, 110.6(a)6 Labeling 10-111, 10-113, 100.0(g), 110.6(a)5, 150.0(m)12E, 150.0(m)13A, 150.0(m)6, 160.2(b)1E, 160.5(b)5F, 160.3(b)5L Laboratory 10-103.1(c)3B, 10-103.2(c)3B, Table 120.1-C, 120.4(b)1A, Table 140.4-B, 140.4(q), Table 140.6-C, 140.9(c), Table 140.9-D, 141.1(a), 150.0(m)2A, 160.3(b)5B, 160.3(c)2C, Table 170.2-C, 170.2(c)4O Landscaping 110.8(g)2A Large Enclosed Space 140.3(c), 170.2(b) Leakage Rate 120.4(g), 140.3(a)9C, 140.4(e)2D, 141.0(b)2D, 141.0(b)2Q, 150.0(m)11, 150.0(o)1C, 150.1(b)3, 160.3(b)5K, 160.3(c)2H, 170.1(d)2H, 170.2(c)4C, 180.2(b)2B Leakage Testing 120.4(g)2, 141.0(b)2D, 150.0(m)11, 160.3(b)5K, 160.3(c)2H Leaving Air temperature Table 140.4-A Chilled water temperature 110.2(a) Condenser temperature 110.2(a) Evaporator temperature 110.2(a) Fluid temperature Table 110.2-D, 140.4(h) Gas temperature 120.6(a)8, 120.6(b)5 Heating water temperature Table 110.2-N Library Building Spaces 140.4(a)2E-G Light Mass Wall 120.7(b)3, Table 140.3-C, 160.1(b)4 Lighting 10-103.1, 10-114, 100.0(a-f), Table 100.0-A, 110.6(a)4, 110.9, 110.10(b)1A, 110.10(b)1B, 110.12(c-e), 120.1(d)5E, 120.6(b)3, 120.6(f), 120.6(h)2-3, 120.6(h)6, 120.8(c)2, 130.0, 130.1, 130.2, 130.3, 130.4, Table 130.5-B, 140.1(a-b), 140.3(c)3, 140.3(d), 140.4(b)6, 140.6, 140.7, 140.8, 141.0, 141.1(c)3, 150.0(k), 150.0(s)2, Table 150.0-A, 150.2(b)1K, 160.2(c)5E, 160.5, Table 160.6-B, 170.1(a-b), 170.2(b), 170.2(c)2F, 170.2(e), 180.0, 180.1(a), 180.2(b)4, Table 180.2-E Accent luminaire 140.6(c)3G, 170.2(e)4B Actual lighting power 140.7(c), 170.2(e)6C Additional lighting power allowance 140.6(c)2G, 140.6(c)3E, 140.7(d), 170.2(e)4A, 170.2(e)6D, Table 140.7-B Adjusted indoor lighting power 140.6, 170.2(e) Allowed indoor lighting power 140.6, 170.2(e)1, 170.2(e)3, 170.2(e)4 Allowed outdoor lighting power 140.7(a), 170.2(e)6A Area category method 130.1(c)6A, 130.1(c)7A, 140.6(b)3, 140.6(b)4, 140.6(c)2, 170.2(e)3, 170.2(e)4 Area Category Method - Lighting Power Density Values Table 140.6-C, Table 170.2-M

310 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

Area wattage allowance (AWA) 130.1(d)3D, 140.7(d)1A, Table 140.7A, 170.2(e)6D, Table 170.2-R Backlight, uplight, and glare (BUG) 130.2(b), 160.5(c)1 Ballast 10-103.1(c)3B, 130.0(c), 130.1(c)7B, 140.8(b), 141.0(b)2I, 141.0(b)2M, 141.1(c)3, Table 150.0-A, Table 160.5-A, 160.5(b)1, 160.5(b)4C, Table 160.5-B, 170.2(e)7B, 180.2(b)4B, 180.2(b)4B Bridge lighting 130.2(b), 140.7(a)8, 140.7(d)1A, 160.5(c)1, 170.2(e)6D Case display 130.1(a)3, 160.5(b)4A Classification of high luminous efficacy light sources Table 150.0-A Color changing 140.6(a)4A, Table 140.6-C, 170.2(e)2D Color Rendering Index (CRI) 140.8(b)4, 170.2(e)7B Compact fluorescent lamp 140.8(b)6, 170.2(e)7B Compact fluorescent luminaire 130.0(c)1B, 160.5(b)1A Complete Building Method 140.6(b)3A, 140.6(c)1 Complete Building Method Lighting Power Density Values Table 140.6-B Connected lighting load 130.1(b), 141.0(b)2L, 160.5(b)4B, 180.2(b)4B Decorative lighting 140.6(b)4, 140.6(c)3I, 140.6(c)3E, Table 140.6-C, 141.0(b)2I, Table 150.0-A, Table 160.5-A, 170.2(e)4B(v), 170.2(e)4B, Table 170.2-M, Table 170.2-N 180.2(b)4B Display case 120.6(b), 140.6(b)4B, 140.6(c) 3E, 140.6(c)3G, 140.6(c)3H, 140.6(c)3J, 170.2(e)4B Display lighting 120.6(f)1E, 140.6(a)4C, 140.6(c)3E, 140.6(c)3G-I, 170.2(e)2D, 170.2(e)4B, 170.2(e)4B, 170.2(e)4B Driver 130.0(c)2, 130.0(c)4-6, 141.0(b)2I, 141.1(c)3, 160.5(b)1, Table 160.5-B, 180.2(b)4B Egress 120.1(d)3, Table 120.1-A, 130.1(a), 130.1(c)1, 130.1(c)6C, 130.1(c)7, 140.6(a)3K, 140.6(c)H, 150.0(s)2, 150.1(c)4E, 160.2(c)5C, Table 160.2-B, 160.5(b)4A, 160.5(b)4C, 160.5(b)4C, 160.5(b)4C, 170.2(e)2C, 170.2(e)4B, Table 130.5-B, Table 160.6-B Electronic ballast 130.0(c)1B, 140.8(b)4B, Table 150.0-A, 160.5(b)1A, 170.2(e)7B Emergency lighting 130.1(c), 160.5(b)4C Floor display 130.1(a)3, 140.6(a)4C, 140.6(c)3E, 140.6(c)3G-H, 160.5(b)4A, 170.2(e)2D, 170.2(e)4B, Table 170.2-O Fluorescent lighting 140.6(c)3J, 140.8(b)4, 170.2(e)7B Furniture mounted luminaires 140.6(a)2C, 140.6(a)2I, 170.2(e)2B General hardscape lighting 140.7(b)1, 140.7(d), 141.0(b)2L, 170.2(e)6B, 170.2(e)6D, 180.2(b)4B

e 150.0-A, 160.5(b)1A, 170.2(e)7B Emergency lighting 130.1(c), 160.5(b)4C Floor display 130.1(a)3, 140.6(a)4C, 140.6(c)3E, 140.6(c)3G-H, 160.5(b)4A, 170.2(e)2D, 170.2(e)4B, Table 170.2-O Fluorescent lighting 140.6(c)3J, 140.8(b)4, 170.2(e)7B Furniture mounted luminaires 140.6(a)2C, 140.6(a)2I, 170.2(e)2B General hardscape lighting 140.7(b)1, 140.7(d), 141.0(b)2L, 170.2(e)6B, 170.2(e)6D, 180.2(b)4B

General Hardscape Lighting Power Allowance Table 140.7-A General Hardscape Multifamily Lighting Power Allowance Table 170.2-R General illumination level (Lux) 140.6(c)3F, 170.2(e)4B General lighting 110.12(c), 130.1(a)3, 130.1(b), 130.1(c)6D, 130.1(c)7, 130.1(d), 130.1(f)1, 140.3(c)3, 140.6(a)2, 140.6(a)3, 140.6(b)3, 140.6(b)4, 140.6(c)2G, 140.6(c)3, Table 140.6-A, Table 140.6-C, 160.5(b)4A, 160.5(b)4B, 160.5(b)4C, 160.5(b)4C, 160.5(b)4D, 160.5(b)4F, 170.2(b)3, 170.2(b), 170.2(e)2B, 170.2(e)3C-E, 170.2(e)4A, 170.2(e)4B, Table 170.2-L, Table 170.2-Q Glare 130.2(b), 160.5(c)1 High pressure sodium lamp 140.8(b)1, 170.2(e)7B IES LM-79 130.0(c)4, 130.0(c)5, 130.0(c)7, 160.5(b)1D-E, 160.5(b)1G Illuminance 10-103.1(c)3B, 110.9(b)2C, 130.1(c)7B, 130.1(d)3, 140.6(a)2H, 140.6(c)3F, 160.5(b)4C, 160.5(b)4D, 170.2(e)2B, 170.2(e)4B, Table 170.2-Q Illuminance level 130.1(d)3D, 160.5(b)4D, Table 160.5-B Indicator lights 110.9(b)7 Indoor lighting 100.0(b), 100.0(f), Table 100.0-A, 120.8(c)2, 130.1, 140.1(a-b), 140.6, 141.0(a)2A, 141.0(b)2I, Table 141.0-F, 150.0(k)2, 160.5(a)2, 160.5(b)4, 170.1(a-b), 170.2(e)1-4, Table 180.2-E Institutional tuning 130.4(a)7, 140.6(a)2J,Table 140.6-A, 160.5(e)1G, 170.2(e)2B, Table 170.2-L Interlocked lighting system 130.4(b), 140.6(a)1, 160.5(e)2, 170.2(e)2 Lamp holder 130.0(c)2 LED tape lighting 130.0(c)5, 160.5(b)1E Level of illuminance 130.1(c)7B, 160.5(b)4C Light emitting diodes (LEDs) 140.6(a)4, 140.8, 170.2(e)7 Light shelves 140.3(d)3, Table 140.3-C, 140.6(a)2L, Table 140.6-A, 170.2(e)2B, Table 170.2-L Light source 110.9(a), 110.9(b)3B, Table 140.7-A, 140.8(b), 150.0(k)1D, 150.0(k)2F, Table 150.0-A, 160.5(a)1D, 1660.5(a)2F, Table 160.5-A, 160.5(b)4D, Table 160.5-B, Table 170.2-R, 170.2(e)7B Lighting component 130.0(c)5, 140.6(a)3Q, 140.7(a)12, 160.5(b)1E, 170.2(c)2C, 170.2(e)6A Lighting level 130.2(c)2C, 140.4(b)6, 160.5(b)4F, 160.5(c)2B, 170.2(c)2F Lighting load 120.6(h)2-3, 130.1(b), 141.0(b)2L, 160.5(b)4B, 180.2(b)4B Lighting permit140.6(c)1C Lighting power 110.12(c), 110.12(d), 110.9(b)3A, 120.6(b)3B, 120.6(f)1, 130.1(c), 130.1(d)3C, 130.1(f)7,

INDEX

130.2(b), 130.2(c)2B, 130.2(c)3, 130.3(a)2B, 130.4(b), 140.6, 140.7, 140.8(a), 141.0(b)2I, 141.0(b)2l, 141.0(b)2L, 150.0(k)2F, 160.5(b)4C, 160.5(b)4D, 160.5(b)4F, 160.5(c)1E, 160.5(c)2, 160.5(d)2B, 160.5(e)2, 170.2(b), 170.2(e), 180.2(b)4B Lighting Power Adjustment Factors (PAF) Table 140.6-A, Table

170.2-L Lighting power allotment 140.6(b), 140.6(c)1D, 140.6(c)3B-F, 170.2(c)3, 170.2(e)4B Lighting power allowances 140.6(c)2G, 140.6(c)3E, 140.7(b)3, 140.7(d)1, 141.0(b)2L, 170.2(e)4A, 170.2(e)4B, Table 170.2-N, 170.2(e)6B, 180.2(b)4 Lighting power density 120.6(f)1, 140.6(a)1, 140.6(a)3Q, 140.6(b)3, 140.6(c)2F, 140.6(c)2G, 140.6(c)3F, 140.6(c)3G, Table140.6-B, Table 140.6-C, 170.2(e)2C, 170.2(e)4A, B, Table 170.2-M, Table 170.2-Q Lighting system 120.6(h)6, 120.8(c)2, 140.3(c), 140.6(a)2C, 140.6(a)2H, 140.6(a)2J, 140.6(c)2G, 140.6(c)3G, 141.0(b)2G, Table 141.0-E, Table 141.0-F, 150.2(b)1K, 160.5(b)4D, 170.2(b), 170.2(e)2B, 170.2(e)2B, 170.2(e)2B, 170.2(e)4A, 170.2(e)4B, 170.2(e)6D, 180.2(b)4, Table 180.2-E Lighting tracks 140.6(a)2D, 170.2(e)2B Lighting wattage 130.4(b)7, 140.6(a)2F, 140.6(a)2K, 140.6(a)3, 141.1(c)3, 170.2(e)2B, 170.2(e)2C Lighting wiring 141.0(b)2I, 180.2(b)4B Lighting zone 10-114(b-c), Table 140.7-A, 170.2(e)6A, Table 170.2-R Line voltage lamp holder 130.0(c)2 Linear lighting 130.0(c)5, 160.5(b)1E Linear Wattage Allowance (LWA) 140.7(d)1D Line-voltage track lighting 110.9(c), 110.9(d) Low-voltage lighting 130.0(c)6, 160.5(b)1F Low-voltage luminaire 130.0(c)1B, 160.5(b)1A Lumen output 110.9(b)3C Lumens 130.1(c)7B, 130.2(b), 150.0(k)1A, 160.5(a)1A, 160.5(b)4C, 160.5(c)1 Luminaire 130.0(c)1B, 130.1(b), 130.1(c)6D, 130.1(c)8, 130.2(b), 130.2(c)3A, B, 140.6(a)2, 4, 140.6(c)2G, H, Table 140.6-A, 140.7(a), 140.7(d)1A, Table 140.7-A, 141.0(b)2I, L, 150.0(k)1, 150.0(k)2E, 150.2(b)1K, 160.5(a)1, 2E, 160.5(b)1A, D, F, 160.5(b)4B, C, Table 160.5-B, 160.5(c)1, 160.5(c)2C, 170.2(e)2 B, D, Table 170.2-L, 170.2(e)6A, D, Table 170.2-R, 180.2(b)4 Luminaire classification 130.0(c), 140.6(a)4A, 160.5(b)1, 170.2(e)2D Luminaire efficacy 150.0(k)1A, 150.2(b)1K, 160.5(a)1A, 180.3(b)4A

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Luminaire housing 130.0(c)1B, 150.0(k)1C, 160.5(a)1C Luminaire power 130.0(c) Luminaire requirements 150.0(k)1, 160.5(a)1 Luminaire shielding 130.2(b), 160.5(c)1 Luminaire wattage 130.0(c)1, 130.0(c)6A, 140.6(c)3G, 160.5(b)1A, F, 170.2(e)4B Lighting Allotment 140.6(b), 140.6(c)1D, 140.6(c)3B, E, F, 170.2(e)3, 170.2(e)4B Lighting Controls 10-103.1, 110.9, 110.12(c), 110.12(e), 120.6(h)2, 6, 130.0(d), 130.0(e), 130.1, 130.2, 130.3, 130.4(a)5, 6, 130.4(b)6, 130.4(c), 140.6(a)2C, G, J, L, Table 140.6-A, 141.0(b)2I, 141.0(c)3, 150.0(k)2, 160.5(a)2, 3, 160.5(b)2, 3, 4, Table 160.5-B, 160.5(c)2, 160.5(d), 160.5(e), 170.2(e)2B, Table 170.2L, 180.2(b)4B Astronomical time-clock control Table 140.6-C, 150.0(k)3A, 160.5(a)3A, Table 170.2-M Automatic daylighting controls 110.9(b)2, 130.1(d), 130.1(f)3, 6, 140.6(a)2L, G, 160.5(b)4D, F, 170.2(e)2B, 180.3(b)4B Automatic lighting controls 140.6(a)2G, 170.2(e)2B Automatic scheduling controls 130.2(c)2, 160.5(c)2B Automatic time switch control 120.2(e)1, 120.6(b)3A, 130.1(f)5, 130.3(a)1, 130.3(a)2, 130.5(d)1, 150.0(k)3, 160.3(a)2D, 160.5(a)3A, 160.5(b)4F, 130.6(d)1 Certified Lighting Controls Acceptance Test Technician (CLCATT) 130.4(c), 160.5(e)3 Continuous dimming 140.6(a)2H, L, Table 140.6-A, 160.5(b)4D,Table 160.5-B, 170.2(e)2B, Table 170.2-L Control requirements for indoor lighting system alterations Table 141.0-F, Table 180.2-E

Countdown timer switch 130.1(c)2,160.5(b)4C, 160.6(d)1 Daylight dimming plus OFF control Table 140.6-A, Table 170.2-L Daylighting controls 110.9(b)2, 130.1(d), 140.6(a)2L, Table 141.0-F, 160.5(b)4D, 170.2(e)2B, Table 180.2-E Delay settings 110.9(b)2A Dimmer 110.9(b)3, 130.3(a)2B, 150.0(k)1E, 150.0(k)2B, F,160.5(a)1E, 160.5(a)2B, F, 160.5(d)2B Existing luminaire 130.2(b), 141.0(b)2L, 160.5(c)1, 180.2(b)4B Holiday shutoff 110.9(b)1A, 130.1(c)4 Indoor lighting controls 130.1, 150.0(k)2, 160.5(a)2, 160.5(b)4 Infrared sensor 140.6(a)2I, 170.2(e)2B Light sensor 110.9(b)2C Lighting circuits 141.0(b)2I, 180.2(b)4B Lighting control acceptance 130.4, 160.5(e)

Lighting control installation 10-103.1(c)3B, 130.0(e)2, 130.4(b), 160.5(b)3B, 160.5(e)2 Manual control 110.12(b)5B, 120.1(d)5B, 130.1(a),160.2(c)5E, 160.5(b)4A Manual lighting controls 140.6(a)2 Manual on/off control 150.0(k)3, 150.1(c)8, 150.2(b)1H, 160.2(b)2, 160.5(a)3, 170.2(d), 180.2(b)3B Manual override 110.9(b)1, 120.2(e)1, 120.6(b)3,130.1(c)3, 160.3(a)2D, 160.5(b)4C Manual-on 110.9(b)4, 130.1(c), 150.0(k)2, 160.5(a) Motion sensor 110.9(b)4, 120.6(b)3, 130.2(c)2, 130.2(c)3, 141.0(b)2L, 150.0(k)3, 160.5(c), 180.2(b) Multi-level lighting control 110.9(b)4, 120.6(h), 130.1(b), 130.1(c), 130.1(d), 130.1(f), 140.6(a)2, 141.0(b)2G, 160.5(b)4, Table 160.5-B, 170.2(e)2, 180.2(b)4, 180.2(b), Table 180.2-E Multilevel lighting controls and uniformity requirements Table 160.5-B

-on 110.9(b)4, 130.1(c), 150.0(k)2, 160.5(a) Motion sensor 110.9(b)4, 120.6(b)3, 130.2(c)2, 130.2(c)3, 141.0(b)2L, 150.0(k)3, 160.5(c), 180.2(b) Multi-level lighting control 110.9(b)4, 120.6(h), 130.1(b), 130.1(c), 130.1(d), 130.1(f), 140.6(a)2, 141.0(b)2G, 160.5(b)4, Table 160.5-B, 170.2(e)2, 180.2(b)4, 180.2(b), Table 180.2-E Multilevel lighting controls and uniformity requirements Table 160.5-B

Multilevel time-switch controls 110.9(b)1 Multiscene control station 140.6(a)3G, H, I Multiscene programmable control system 140.6(c)2, 150.0(k)2, 160.5(a)2 Nonprogrammable double-throw switch 40.6(a)1, 140.6(a)2, 170.2(e)2 Occupant sensing control 110.9(b)4, 6, 120.1(d)5A, 120.2(e), 130.1, 130.1(c), 130.1(f), 130.1(f)7, 130.5(d), 140.6(a)2I, 140.6(a)3, Table 140.6-A, 160.2(c), 160.2(c)5E, 160.5(b)4, 160.5(b)4C, 160.6(d), 170.2(e)2, 170.2(e)2B, Table 170.2-L, Table

170.2-M Occupant sensor 110.9(b)4, 120.1(d), 120.2(e), 150.0(k)2, 160.2(c), Outdoor lighting controls 130.2(c)1, 130.2(c)2, 130.2(c)3, 130.4(a)6, 160.5(a)3, 160.5(c), 160.5(e) Outdoor time-switch controls 110.9(b)1 Partial off occupant sensing controls 130.1(c)6, 130.1(c)7, 160.5(b)4 Partial-OFF Sensors 110.9(b)4, 130.1(c)1, 160.5(b)4C Partial-on occupant sensing controls 130.1(c)5, 160.5(b)4C Partial-ON Sensors 110.9(b)4, 130.1(f)7, 160.5(b)4F Photocell 150.0(k)3, 160.5(a)3A Photocontrol 130.2(c)1, 130.3(a)2, 160.5(d)2A Photosensor 130.1(d)4, 160.5(b)4D Shut-off control 130.4(a), 160.5(d)2B Sign lighting controls 130.3, 160.5(d) Time switch 110.4(b), 110.9(b)1, 120.2(e)1A, 120.6(b)3A, 120.6(h)2B, 6B, 130.1(c)3 – 6, 130.1(f)5, 130.2(c)1, 130.3(a), 130.5(d)1, 140.6(a)3G,

150.0(k)3, 160.3(a)2D, 160.5(a)2A, 160.5(b)4C, 160.5(b)4F, 160.5(c)2A, 160.5(d), 160.6(d)1 Vacancy sensing controls 130.1(c)5B Vacancy sensor 110.9(b)4, 140.6(a)3, 150.0(k)1, 2, 160.5(a)1, 2 Line Voltage Switch 140.6(a)1, 140.6(a)2, 170.2(e)2A Linear Lamps 130.1(d), 160.5(b)4D Linear LED 130.1(d), 160.5(b)4D Line-Voltage Socket Table 160.5-B Liquid Line Drier 150.0(h), 160.3(b)3 Liquid Subcooling 120.6(b)2 Liquid-Applied Coating 110.8(i)4 Loading and Unloading Areas 130.1(c)7, 160.5(b)4C Lobbies Table 120.1-A, 130.1(a)2, 130.5(d), Table 160.2-B, 160.6(d) Local Jurisdiction 10-114(c), 110.10(b)1 Local Mechanical Exhaust 150.0(o), 150.2(a)1C, 150.2(b)1M, 160.2(b)2A, 160.2(b)2B, 180.1(a)2, 180.1(b)3, 180.2(b)5 Local Ordinance 110.10(b)1A, 110.10(b)1B, 150.1(b)3, 170.1(d)2 Loose Fill Insulation 150.0(b), 160.1(a)1C Louvers 120.1(c)2, 150.0(d), 150.1(c)1, 160.1(c)4, 160.2(c)2B

Low Leakage air handler 150.1(b)3, 170.1(d) Low-rise residential 10-103(b), 100.2, 110.6(a)6, 110.8(d)1 Low-voltage transformer 110.11(a) Voltage switch 140.6(a)1, 140.6(a)2, 170.2(e)2A

M

Main Electrical Service Panel 110.10(e), 150.0(n)1B, 150.0(t–v), 160.9(a–c) Makeup Air 120.1(c)1A, 120.1(c)4, 140.9(b)2, 140.9(c)1, 150.0(m)12A, 150.0(o)1K, 160.2(b)1, 160.2(b)2A, 160.2(c)1, 160.2(c)4, 170.2(c)4N Malls 120.2(e), 130.1(a)2, 130.1(c) Mandatory Indoor lighting 130.1, 160.5(b)4 Insulation 120.7, 150.0(a)2, 160.1(a)1A Measures 100.0(e), 100.0(f), 140.0(a), 140.0(b) Mandatory Requirements For the manufacture, construction and installation of systems, equipment and building components 110.0–110.12 Nonresidential, hotel/motel occupancies, and covered processes 120.0–120.10

Nonresidential, hotel/motel occupancies: for lighting systems and equipment and electrical power distribution systems 130.0–130.5 Nonresidential, hotel/motel additions 141.0(b) Single family residential buildings 150.0 Multifamily buildings 160.0–160.9, 170.2(e), 180.2(a)

312 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Minimum Ventilation Rates for Multifamily Common Use Areas Table 160.2-b Mixed Occupancy Building 160.0 Moderate Contaminant 120.1(G)2, 160.2(C)8 Moisture 110.8(G)2, 120.3(B), 120.4(F), 150.0(M)9, 160.3(B)5i, 160.3(C)1c, 160.3(C)2g, 160.4(F)2 More Than Three Habitable Stories 170.2(G), 170.2(H) Motor 110.10(B)1b, 120.6(A)5d, 120.6(A), 120.6(D), 120.6(J)3, 120.9(B), 140.4(C)3, 140.4(H)1, Table 140.4-i, 160.4(E), 170.2(C)4 Efficiency 120.6(A)3a, 140.4(C)3, 170.2(C)4 Horsepower 140.4(K)6, 170.2(C)4i Nameplate Table 110.2-f, 120.10(A), 140.4(C)1, Table 140.4-d, 170.2(B)4a, Table 170.2-e-1 Motorized Damper 150.0(O), 160.2(B)2a Movie Theater 140.3(C) Moving Walkway 120.6(G) Multifamily Table 100.0-a, 110.10(A), 110.10(B)1b, Table 140.10-a, Table 140.10b, 160.0, 160.2(B)2a, 160.2(B)2c, 160.2(D), Table 160.2-b, 160.3, 160.4(F), 160.5, 160.5(B), 160.6, Table 170.2-a, 170.2(C), Table 170.2-k, 170.2(E)6, Table 170.2-r, Table 170.2-u, 180.2 Buildings 100.0(E)2e, 100.0(E)3c, 110.8(D)1, 110.10(A), 110.10(B)1b, 160.0 – 160.9, 170.0, 170.1, 170.2, 180.0, 180.1, 180.2 Common Areas 160.3(C)2, 160.3(D) Dwelling Unit 160.2(B)2, 160.3(B)5k-l, 160.3(D)2, 160.5(A), 170.2(C)3b, 170.2(D), 180.2(B)2a Multiple Zones 120.2(G), 140.4(F), 140.4(P), 160.3(A)2, 170.2(C)4d, 170.2(C)4n Multipurpose Room 140.6(A)1, 170.2(E)2a, Table 170.2-m Multiscene 140.6(A)3c, 140.6(C)2g, 140.7(A)11, 150.0(K)2d, 160.5(A)2d, 170.2(E)6a Multi-speed Compressor System 150.0(M)13, 160.3(B)5l Multi-speed Pump Motor 150.0(P) Multi-tenant Buildings 170.2(G)

N

Nameplate Data 141.0(B)3, 150.2(B)2, 180.2(C) Dc Rating 110.10(B)1b Horsepower 120.10(A), Table 140.4-d, Table 170.2-e Output Power 140.8(B)5, 170.2(E)7b Natural Gas 100.2, 110.5, 140.4(g), 141.0(b)2C, Table 150.0-G, 150.2(b)1H, Table 160.2-G, 180.2(b)2B, 180.2(b)3C, Natural Ventilation 120.1(c)2, 160.2(c)2, 160.3(a)2D NEMA Standard MG1-2006 120.6(a)3, 140.4(c)3, 170.2(c) Newly Constructed Building 10-103(d)2, 10-106(a), 10-109(d)2, 100.0(e)2, 110.0, 110.3(c)5, 120.0, Table 120.2-A, 130.0(a), 140.0, 140.6(c)2E, 140.10(a), 150.0, 150.1(b)1, 160.0, Table 160.3-C, 160.5(b), 170.0(a), 170.2(g)

Manual Area controls 130.1(a), 130.1(f), Table 141.0-F, 160.5(b)4, 180.2(b)4, Table

180.2-E Damper controls 120.2(f), 160.3(a)2 Override shutoff 120.2(e) Switch 150.0(o) Manually Adjusted 150.0(k)2F, 160.5(a)2 Manually Shut-Off 130.1(c)5, 160.5(b)4C Manufacturer 110.0(a), 110.0(b), 110.2(e) 110.2(f), 110.3(a), 110.4(a), 110.6(a), 110.8(i)4, 110.11(a), 110.12(a)1B, 120.1(d), 120.4(b)2, 120.5(a)4, 120.6(a)6, 120.6(c)7, 120.10(a)2, 130.0(c)1, 130.0(c)3, 130.0(c)7, 130.0(d), 140.3(a)8, 140.3(a)9, 140.4(b)9, 140.4(h), 140.4(j), 140.4(k)1, 140.6(a)2I, 3E, 140.9(c)3, 150.0(b), 150.0(e), 150.0(h), 150.0(k)1, 150.0(k)2, 150.0(m)3, 150.0(m)12, 150.1(c)7A, 150.1(c)12B, 150.2(b)1F, 160.2(b)1, 160.2(c)2, 160.2(c)5D, 160.3(b)5C, 160.3(d)1D, 160.5(b)2, 170.2(c)3B, 170.2(c)4A, I, 170.2(e)2, 180.2(b)2A Manufacturer Specifications 120.4(b)2F, 160.3(b)3C, 160.3(c)2C Masonry Fireplace 150.0(e) Masonry Wall 140.3(a)9B, 150.0(c)5 Mass Wall 120.7(b), Table 140.3-C, 141.0(b)1B, 150.1(c)1, Table 150.1-A, 160.1(b)4-5, Table 170.2-A, 180.2(a)2 Mastic 120.4(a), 120.4(b), 150.0(m)1-3, 160.3(b)5A-F, 160.3(c)2 Materials Deemed to Comply with Section 140.3(A)9B Table 140.3-A Maximum Net Exhaust Flow Rate, CFM Per Linear Foot Of Hood Length Table 140.9-C Maximum Rated Capacity 110.2(a), 110.3(b) Measured Contaminant Concentration 140.9(c)3 Measurement Access Holes (MAH) 150.1(c)7, 170.2(c)3B Measurement Device 120.6(h)3, 130.5(b), 160.6(b) Mechanical Acceptance testing 160.3(d) Capacity 140.4(e)2, 170.2(c)4C Closet 120.4(a), 150.0(m)1, 160.3(b)5A, 160.3(c)2 Cooling 120.1(h), 120.2(e), 120.2(i), 120.6(j)3, 140.4(a), 140.4(e), 140.4(g), 140.4(m), 140.4(n), 140.4(p)4, 140.9(a)1, 140.9(b)2B, 141.1(b), 150.2(b)1F, 160.3(a)2D, 160.3(a)2H, 170.2(c)1, 170.2(c)4C, K, L, N, 180.2(b)2A Device 110.9(b)6 Equipment 141.0(b)2B, 150.2(b)1I, 180.2(b)1A Exhaust 140.4(o), 140.9(c)2, 150.0(o)1G, 150.0(o)2B, 150.2(a)1C, 150.2(a)2C, 150.2(b)1M, 160.2(b)2A, 160.2(b)2B, 170.2(c)4M, 180.1(a)2B, 180.2(b)4B Fastener 150.0(a)3, 160.1(a)1B Heating 120.1(h), 120.2(e)2, 140.4(a)1, 140.4(e)2A, 140.4(n), 160.3(a)2D, 170.2(c)1, 170.2(c)4C, L System shut-off 140.4(n), 170.2(c)4L

4C, K, L, N, 180.2(b)2A Device 110.9(b)6 Equipment 141.0(b)2B, 150.2(b)1I, 180.2(b)1A Exhaust 140.4(o), 140.9(c)2, 150.0(o)1G, 150.0(o)2B, 150.2(a)1C, 150.2(a)2C, 150.2(b)1M, 160.2(b)2A, 160.2(b)2B, 170.2(c)4M, 180.1(a)2B, 180.2(b)4B Fastener 150.0(a)3, 160.1(a)1B Heating 120.1(h), 120.2(e)2, 140.4(a)1, 140.4(e)2A, 140.4(n), 160.3(a)2D, 170.2(c)1, 170.2(c)4C, L System shut-off 140.4(n), 170.2(c)4L

Ventilation 120.1(c)2, 120.1(c)3, 120.1(f), 120.2(e)3B, 120.6(c), 140.1(a), 140.1(b), 150.0(o)1C, G, H, 150.0(o)2A, 150.2(a)1C, 150.2(a)2C, 150.2(b)1L, 150.2(b)1M, 150.2(b)2A, 160.2(b)2A, 160.2(b)2B, 160.2(c)2, 160.2(c)3, 160.2(c)5E, 160.2(c)7, 160.2(d), 160.3(a)2D, 170.1(a), 170.1(b), 180.1(a)2, 180.1(b), 180.2(b)5, 180.2(c) Mechanical Component Package – Multifamily Standard Building Design Table 170.2-K Mechanically Fastened 120.4(a), 140.3(a)8C, 150.0(m)1, 160.3(b)5A, 160.3(c)2A Mechanically Heated Air 140.4(d) Medical Equipment 140.6(a)3F Metal Building 120.7(a)1, 120.7(b)1, Table 140.3-B, C, D, 141.0(b)1B, 160.1(a)2, 160.1(b)1, Table 170.2-A, 180.2(a)2A Deck 120.7(c)1, 160.1(c)1 Ducts 120.4(a), 150.0(m)1, 160.3(b)5AF, 160.3(c)2A Framed 120.7(b), Table 140.3-B, Table 140.3-C, 141.0(b)1B, 160.1(b), 180.2(a)2B Metering Equipment 110.10(c) Metering System 130.5(a), 160.6(a) Microwave Radiation 110.9(b)6C Mild Sensory Irritation 120.1(g)2, 160.2(c)8 Mini Split System 150.1(c)7, 150.2(b)1F, 170.2(c)3B Minimum Efficiency Reporting Value (MERV) 120.1(c)1B, Table 140.4-A, 150.0(m)12C, 160.2(c)1B, Table

170.2-B Condensing temperature 120.6(a)4E, 120.6(b)5, 120.6(a)8G, 120.6(b)1F, 120.6(b)2C, 120.6(b)5G Daylighting requirement 140.3(c), 170.2(b) Efficiency Table 110.2-H, Table 110.2-K, Table 120.6-B, Table 120.6-C, 140.8(b), 170.2(e)7 Efficiency (chiller) 140.4(i), 170.2(c)4G Efficiency requirements Table 110.2B, Table 110.2-D, Table 110.2-G, Table 110.2-H, Table 110.2-K, Table 120.6-B, Table 120.6-C Exhaust rates [ASHRAE 62.1: Table 6.5] Table 120.1-B, Table 160.2-C Heating capacity 150.0(h), 160.3(b)1 Rated capacity 110.2(a), 110.3(b) Solar zone area 110.10(b)1 Minimum Performance Requirements for Liquid Applied Roof Coatings Table 110.8-c Minimum Requirements For Metering Of Electrical Load Table 130.5-a Minimum Requirements for Metering or Submetering of Electrical Load Table 160.6-a Minimum Requirements for Separation of Electrical Load Table 130.5-b, Table 160.6-b Minimum Ventilation Rates Table 120.1-a, Table 160.2-b

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Nominal Cooling Capacity 150.0(m)13, Table 150.0-B, Table 150.0-C, 150.2(b)1F, 160.3(b)5L, Table 160.3-A, Table 160.3-B, 180.2(b)2 Non-Attic Roof 160.1(a)2 Non-Central Electric Heater 110.2(c) Nonenclosed Kitchen 150.0(o)1G, Table 150.0-E, 160.2(b)2A, Table 160.2-E Non-Framed 150.0(c)3 Non-Insulated 150.0(k)1C, 150.0(m)1B, 160.3(b)5A, 160.5(a)1C Non-Porous Layer 150.0(m)10 Nonpositive Vent Static Pressure 120.6(d)1A, 120.9(a)1, 160.4(e)1A Nonresidential 120.0, 120.2, 120.3, 120.4, 120.5, 120.6, 120.7, 130.2, 130.3, 130.4, 130.5, 141.0, 120.1(a), 120.1(c), 130.0(a), 140.0(a), 140.0(b), 140.3(a)1, 140.4(a), 140.4(b)2, 140.4(b)3, 141.0(b)2B ACM Reference Manual 140.1(b), 140.1(c), 141.0(b)3, 170.1(b) And hotel/motel buildings 100.1(e)2B, Table 100.0-A, 120.0, 120.1(a), 120.1(c), 120.2, 120.2(e)2, 120.3, 120.4, 120.6, 120.7, 130.0, 130.1, 130.2, 130.5, 140.0, 141.0, 141.0(b),

141.1 Appendix See below Building occupancy types See below Buildings 100.0(e)2C, 110.9(b)1, 110.10(a), 110.10(b)1B, 120.2(e), 120.4, 120.7, 120.8, 130.3, 130.4, 130.5, 140.3(a)1, Table 140.3-B, 140.4(b)1-3, 140.5, 160.0 Data registry 10-109(i) Occupancies 140.5(A)

Nonresidential Appendix NA1 160.2(a), 160.3(c)2H, 180.1(a)2, 180.1(b)3, 180.2(b)2B NA2 141.0(b)2E, 160.2(a)1, 160.3(c)2H, 180.1(a)2, 180.1(b)3, 180.2(b)2B, 180.2(b)5 NA2.2.4.1.5 160.2(b)2B, 170.2(c)3B NA2.4 141.0(b)2Q NA2.4.7 141.0(b)2Q NA5 140.3(a)9 NA6 110.6(a)2, 110.6(a)3, 110.6(a)4, 120.6(a)7, 140.3(a)5, 150.1(c)3, 170.2(a)3A NA7 110.6(a)6, 120.5(a), 120.6(c)7, 120.6(b)6, 120.6(c)8, 120.6(e)6, 120.6(f)5, 120.6(g)2, 140.9(b)3, 140.9(c)4B, 160.3(d)1, 160.3(d)2 NA7.15 120.6(g) NA7.16 140.9(c)3 NA7.18.1 160.3(d)2 NA7.18.2 160.3(d)2 NA7.18.3 160.2(b)2C, 160.3(d)2 NA7.18.4 160.3(d)2, 170.2(c)3 NA7.5.3 120.4(g)1, 120.5(a)3, 141.0(b)2D, 160.3(d)1C NA7.5.4 120.5(a)4, 160.3(d)1D NA7.5.5 120.5(a)5, 160.3(d)1E NA7.6 130.4(a)7, 160.5(e)1 NA7.6.1 130.4(a)3, 160.5(e)1C NA7.6.2 120.6(h)2B, 120.6(h)6B, 130.4(a)4, 160.5(e)1D

140.9(b)3, 140.9(c)4B, 160.3(d)1, 160.3(d)2 NA7.15 120.6(g) NA7.16 140.9(c)3 NA7.18.1 160.3(d)2 NA7.18.2 160.3(d)2 NA7.18.3 160.2(b)2C, 160.3(d)2 NA7.18.4 160.3(d)2, 170.2(c)3 NA7.5.3 120.4(g)1, 120.5(a)3, 141.0(b)2D, 160.3(d)1C NA7.5.4 120.5(a)4, 160.3(d)1D NA7.5.5 120.5(a)5, 160.3(d)1E NA7.6 130.4(a)7, 160.5(e)1 NA7.6.1 130.4(a)3, 160.5(e)1C NA7.6.2 120.6(h)2B, 120.6(h)6B, 130.4(a)4, 160.5(e)1D

NA7.6.3 110.12(c), 130.4(a)5, 160.5(e)1E NA7.6.5 130.4(a)8, 160.5(e)1H NA7.7.1 130.4(b)1, 160.5(e) NA7.8 130.4(a)6, 160.5(e)1 Nonresidential Building Occupancy Types Assembly Table 140.6-B Bank or Financial Institution 140.4(a), Table 140.6-B Grocery Store 120.2(e),130.1(c)4, Table 140.6-B Gymnasium Table 140.6-B Healthcare Facility 140.4(a), Table 140.6-B Industrial/Manufacturing Facility Table 140.6-B Library 130.1(c), 140.4(a), Table 140.6B, Table 140.10-A, Table 170.2-U Motion Picture Theater Table 140.6-B Museum Table 120.1-A, 140.6(c), Table 140.6-B, Table 140.6-C Office Table 120.1 A, 120.2(i), 130.1(c), 130.5(d), 140.4(a), 140.6(a)3J, K, L, Table 140.6-A, Table 140.6-B, Table 140.6-C, Table 140.10-A, Table 140.10-B, Table 160.2-B, 160.3(a), 160.5(b), 160.6(d), 170.2 (e), Table 170.2-L, Table 170.2-M, Table 170.2U, Table 170.2-V Parking Garage Table 100.0-A, Table 120.1-B, Section 120.6(c), 130.1(c), 130.1(d), 130.6(a), Table 140.6-B, 150.0(k), 160.2(d), Table 160.2-C, 160.5(b), Table 170.2-M Performing Arts 140.6(a), Table 140.6-B Restaurant Table 120.1-A, 120.2(e), Table 140.6-B, Table 140.10(a), Table 140.10-B, Table 170.2-U, Table 170.7-V Retail Store Table 10-114-A, Table

140.6-B School Table 10-114-A, 120.1(h), 140.3(a), Table 140.3-B, Table 140.3D, 140.4(a), 140.5(a), 140.4(a), Table 140.6-B, Table 140.7-B, Table 140.10A, Table 140.10-B, 141.0(b), Table 170.2-S, Table 170.2-U, Table 170.2-V Sports Arena Table 120.1-A, Table 140.6-B, Table 140.6-C, Table 160.2-B Nonresidential Function Areas Aging Eye/Low-vision-Corridor Area Table 140.6-C Aging Eye/Low-vision-Dining Table 140.6-C Aging Eye/Low-vision-Lobby, Main Entry Table 140.6-C Aging Eye/Low-vision-Lounge/Waiting Area Table 140.6-C Aging Eye/Low-vision-Multipurpose Room Table 140.6-C Aging Eye/Low-vision-Religious Worship Area Table 140.6-C Aging Eye/Low-vision-Restroom Table 140.6-C Aging Eye/Low-vision-Stairwell Table 140.6-C Audience Seating Area Table 140.6-C Auditorium Area 130.1(a), 140.3(c), 140.6(a)1, Table 140.6-C

Auto Repair/Maintenance Area Table 140.6-C Barber, Beauty Salon, Spa Area Table 120.1-B, Table 140.6-C Civic Meeting Place Area Table 140.6-C Classroom, Lecture, Training, Vocational Area Table 140.6-C

Concourse and Atrium Area

Table 140.6-C, Table 170.2-M Convention, Conference, Multipurpose and Meeting Area Table 140.6-C Copy room 130.5(d), Table 140.6-C, 160.6(d) Corridor 120.1-A, 130.1(a), 130.1(c)6, 130.1(c)7, Table 140.6-C, Table 160.2-B, 160.5(b), Table 170.2-M Dining Area Table 140.6-C, Table 140.7-B, Table 170.2-M, Table 170.2N, Table 170.2-S Dining Area-Cafeteria/Fast Food Table 140.6-C Dining Area-Family and Leisure Table 140.6-C

Electrical, Mechanical, Telephone Rooms Table 140.6-C Exercise/Fitness Center and Gymnasium Area Table 140.6-C

Financial Transaction Area

Table 140.6-C Healthcare Facility and Hospitals Table 140.6-C Healthcare Facility and HospitalsExam/Treatment Room Table 140.6-C Healthcare Facility and HospitalsImaging Room Table 140.6-C Healthcare Facility and HospitalsMedical Supply Room Table 140.6-C Healthcare Facility and HospitalsNurse’s Station Table 140.6-C Healthcare Facility and HospitalsNursery Table 140.6-C Healthcare Facility and HospitalsOperating Room Table 140.6-C Healthcare Facility and HospitalsPatient RoomTable 140.6-C Healthcare Facility and HospitalsPhysical Therapy Room Table 140.6-C Healthcare Facility and HospitalsRecovery Room Table 140.6-C Hotel Function Area 140.6(a)3D, E, F, Table 140.6-C

Kitchen/Food Preparation Area Table 140.6-C, Table 170.2-M Laboratory, Scientific Table 140.6-C Laundry Table 120.1-A, Table 140.6-C, 150.0(k)2E, Table 160.2-B, Table 160.2-C, 160.5(a)2E, Table 170.2-M Library 130.1(c)6, Table 140.6-C Library-Reading Area Table 140.6-C Library-Stacks Area Table 140.6-C Lobby, Main Entry Table 140.6-C Locker Room Table 120.1-B, Table 140.6-C, Table 160.2-C, Table 170.2-M Lounge, Breakroom, or Waiting Area Table 140.6-C, Table 170.2-M

314 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

150.0(a), 150.0(c), 160.1(a), 160.1(b), 160.1(c), 160.5(a), 180.2(a) Open Cooling Tower 110.2(f), 140.4(h), 170.2(c) Open Office Area 140.6(a)3, 160.6(d) Operable Louver 120.1(c), 150.1(c)4 Opening 120.1(c)2, 160.2(c) Roof opening 140.4(n) Wall 120.1(c), 140.4(n), 160.2(c), 170.2(c) Operating Pressure 120.3(a), 120.6(a), 120.6(e), 120.6(i) Operating Temperature 120.3(a), Table 120.3-A, 160.3(a)2, 160.3(c), Table 160.3-D, Table 160.4-A Operation and Control 20.1(d), 160.2(c)5 Optimization 140.4(k)7 Orientation Cardinal orientation 150.1(b)3 Multiple orientation 150.1(b)3, 150.1(c)4 Orientation 140.6(d), 141.0(b)3, 150.2(b)2, 160.3(a)2, 180.2(c) West-facing area 140.3(a)5, 150.1(c)3, 150.2(a)1A, 150.2(a)1B, 150.2(b)1A Ornamental 130.1(a), 130.2(c), 140.6(b)4, 140.6(c)3H, Table 140.7-B, 160.5(b), 150.5(c), 170.2(e), 170.2-S OSHPD 120.4, 120.7(c), 130.4(a), 140.4(b)1, 140.4(B)2, 140.4(B)3, 140.4(B)7 Other Floors 120.7(c)2, 160.1(c) Outdoor Condensing unit Table 110.2-A, Table 110.2-L, Table 110.2-M, 120.6(a)4, 120.6(b), 150.0(h), 150.2(b), 160.3(b)3, 180.2(b) Contaminant 120.1(f), 120.1(g), 120.6(c), 140.4(e)1, 140.9(c), 160.2(c) Sales frontage lighting 130.2(c)3 Service 110.3(a), 110.3(c), 110.8(a), 110.10(c), 110.10(e), 120.1(d), Table 120.1-A, 120.2(i), 120.3(a), 120.3(b), Table 120.3-A, 120.4(f) 120.6(e), 130,5(a), Table 130.5-A, Table 130.5B, 140.1(a), 140.4(c), 140.4(i), 140.5(a), 140.5(b), 140.5(c), Table 140.7-B, Table 141.0-E, 150.0(m), 150.0(s), 150.0(t), 150.0(u), 150.0(v), 150.2(b), 160.2(b), 160.2(c), 160.3(a), 160.3(b), 160.3(c), 160.4(f), 160.5(b), 160.6(a), Table 160.6-A, Table 160.6B, 160.9(a), 160.9(b), 160.9(c), 170.1(a), 170.1(b), 170.2(c), Table 170.2-S, 180.2(b) Signs 120.6(h), 130.3(a)2, 140.6(a), 140.7(a), Table 140.7-B, 140.8(a), 141.0(b), 150.0(k), 150.1(b), 150.1(c), 160.5(d), 170.2(e), 180.2(b), 180.2(c) Temperature 110.2(a), 110.2(b), 110.2(c), 110.2(f), Table 110.2-F, Table 110.2-N, 110.2(f), 110.3(a), 110.3(a), 110.3(c), 110.8(d), 110.12(b), 120.2(a), 120.2(b), 120.2(c), 120.2(e), 120.2(i), 120.2(k), 120.3(a), 120.3(c), Table 120.3-A, 120.4(c), 120.5(a), 120.6(a), Table 120.6-B, Table 120.6-C, 120.6(b), Table 120.6-D, Table 120.6-E,

Manufacturing, Commercial & Industrial Work Area Table 140.6-C Manufacturing, Commercial & Industrial Work Area-High Bay Table 140.6-C Manufacturing, Commercial & Industrial Work Area-Low Bay Table 140.6-C Museum Area 140.3(c), Table 140.6-C Museum Area-Exhibition/Display Table 140.6-C

Museum Area-Restoration Room

Table 140.6-C Office Area 130.1(c)5, 130.5(d), 140.4(a), 140.6(a), Table 140.6-C, 160.6(d), 170.2-E, Table 170.2-M, Parking Garage Area 130.1(c)7, 130.1(d), 140.6(a)3P, Q, R, 140.6(c)1, 140.6(d), 140.7(a), 140.7(c), 160.2(d), Table 140.6-C, Table 170.2-M Parking Garage Area-Daylight Adaptation Zone Table 140.6-C Parking Garage Area-Parking Zone and Ramps Table 140.6-C Pharmacy Area Table 140.6-C Religious Worship Area Table 140.6-C Restrooms 130.1(b), 130.1(c)5, 140.9(c)1, Table 140.6-C Retail Sales Area 120.2(e), 120.6(b), 140.4(a), 140.6(c)1, 140.6(d), Table 140.6-C Retail Sales Area-Fitting Room Table 140.6-C Retail Sales Area-Grocery Sales Table 140.6-C

Retail Sales Area-Retail Merchandise

Sales Table 140.6-C Sports Arena–Playing Area-Class I Facility Table 140.6-C Sports Arena–Playing Area-Class II Facility Table 140.6-C Sports Arena–Playing Area-Class III Facility Table 140.6-C Sports Arena–Playing Area-Class IV Facility Table 140.6-C Stairwell 130.1(c), Table 140.6-C, 160.5(b), Table 170.2-M Storage, Commercial/Industrial Table 140.6-C Storage, Commercial/IndustrialShipping & Handling Table 140.6-C Storage, Commercial/IndustrialWarehouse Table 140.6-C

Theater Area-Motion picture Table 140.6-C

Theater Area-Performance

Table 140.6-C

Transportation Function-Baggage Area Table 140.6-C Transportation Function-Ticketing Area Table 140.6-C Videoconferencing Studio Table 140.6-C, 160.5(e) North American Fenestration Standard/Specification for Windows, Doors, and Skylights (AAMA/WDMA/CSA 101/I.S.2/A440-2011) 110.6(a)1 Northwest Energy Efficiency Alliance (NEEA) 150.1(c)8, 150.2(a)1D, 150.2(b)1H, 170.2(d)1, 180.2(b)3

Not Transcritical CO 2 120.6(a)5

O

Occupancy 120.2(k), 150.2(b) Classification 120.1(g), 141.0, 141.1, Table 150.0-A, 160.2(c), Table 160.5A, 160.5(b), 170.2(e), 180.0 Group U 140.6(a)3N, O Pattern 140.4(b)9, 140.7(d), 170.2(c)2, 170.2(e) Permit 110.10(b)1A, 110.10(b)1B, 110.6(a)6, 120.1(c), 120.1(g), 120.5(a), 120.6(c), 120.6(e), 120.6(f), 120.6(g), 120.6(i), 120.8(f), 130.1(f), 130.4(a), 140.6(a), 140.6(b), 140.9(b), 150.1(b), 150.1(c), 150.2(b), 160.3(d)1, 160.3(d)2, 160.5(e), 170.1(d), 170.2(e), 180.2(b)5 Sensor 110.9(b), 120.1(d), 120.2(e), 120.2(i), 120.6(b), 120.6(c), 120.6(i), 130.1(c), 130.2(c), 140.4(c), 140.6(a), Table 140.6-A, 140.9(b), 140.9(c), 150.0(k), 160.2(c), 160.3(a), 160.5(a), 160.5(b)4C, 170.2(c) Occupant 120.1(d) Controlled smart thermostat 110.12(a) Density 110.8(c), 120.1(d), 120.1(h), 120.6(a), 120.6(f), 130.0(c), Table 140.3-A, 140.4(b)7, Table 140.4-C, 140.6(a), 140.6(b), 140.6(c), Table 140.6-B, Table 140.6-C, 140.9(a), Table 140.9-D, 160.2(c), 160.5(b), 170.2(c), Table 170.2-D, 170.2(e), Table 170.2-M, Table 170.2-N, Table 170.2-Q Sensing zone 120.2(e), 120.5(a), 160.3(a)2, 160.3(d) Sensor ventilation control 120.1(d), 120.1(e), 160.2(c)5, 160.3(a) Occupiable Space 120.1(c)1, 120.4(g), 120.6(c), 141.0(b) 150.0(a), 150.0(m), 150.0(o), 160.2(a), 160.2(b), 160.2(c), 160.3(b), 160.3(c), 180.2(b)2B Occupied 120.1(c), 120.1(d), 120.1(h), 120.2(e), 120.2(k), 120.4(b), 120.6(c), 120.6(f), 130.1(c), 130.2(c)2, 140.4(e), 140.4(m), 140.4(p), 140.6(c), 140.9(c), Table 140.9-D, 140.10(a), 150.1(c), 160.2(c), 160.2(d), 160.3(a), 160.3(c), 160.5(b), 160.5(c), 160.6(d), 170.2(a), 170.2(c), 170.2(e), 170.2(f), 170.2(g) Occupied Roof 140.10(a)2, 150.1(c)14, 170.2(f), 170.2(g) Occupied Space 120.4(b)1, 120.4(b)2, 140.3(a)6, 140.4(e), 140.4(m), 140.4(p), 170.2(c)4K Occupied-Standby Mode 120.1(d), 120.1(h), 120.2(e), 130.1(f), 160.2(c) Off-Setting 110.9(b)3 Oil-Fired Furnace 110.2(d) On/Off Control 150.0(o), 150.1(c), 150.2(b)1H, 170.2(d) Online Capacity 120.6(e) On-Off Switch 110.4(a) On-Site Heat Recovery 120.6(h) Opaque 120.6(h), 120.7(a), 120.7(b)6, 7, 120.7(c), 140.3(d)2, 141.0(b)1A, 141.0(b)1B,

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

140.4(b), 140.4(d), 140.4(e), Table 140.4-G, 140.4(f), 140.4(g), 140.4(h), 140.4(k), 140.4(m), 140.4(n), 140.4(p), 140.4(q), 140.6(a), 141.1(b), 141.1(d), 150.0(h), 150.0(k), 150.0(m), 160.3(a), 160.3(b), 160.3(c), 160.3(d), Table 160.3-D, Table 160.4A, 160.4(f), 160.5(a), 170.2(c), Table 170.2-G, 170.2(d), 170.2(e), 180.2(b)2 Ventilation air Table 120.1-A, 120.1(d), 120.1(h), 130.1(f), 140.9(a), 140.9(c)1, 150.0(o), 150.2(a), 160.2(c), 160.3(d)1, 160.5(b), 170.1(d), 170.2(c), 180.1(b), 180.2(b) Outdoor Air 120.1(c)1 Outdoor Areas Building facade 130.2(b), 160.5(c)1, Table 140.7-B Carport 140.10(a), 150.1(c)14A, 170.2(f), 170.2(g) Hardscape 130.1(c)7, 130.1(d), 130.2(b), 140.7(c), 140.7(d), Table 140.7-A, Table 140.7-B, 141.0(b), 160.5(b), 170.2(e)6, Table 170.2-R, Table 170.2-S, 180.2(b)4 Outdoor sales lot 141.0(b)2L, 180.2(b) Parking lot 140.7(d), 141.0(b)2L, 150.0(k)3, 160.5(c)2, 170.2(e)6 Public monuments 130.2(b), 140.7(a), 160.5(c)1, 170.2(e)6A Outlet 110.3(c), 120.3(a), Table 120.6-C, Table 120.6-E, 120.6(e), 130.5(c), 140.4(p), 150.0(h), 150.0(k), 150.0(m)8, 150.0(o), 150.0(s), 160.2(c), 160.3(b), 160.5(a), 160.6(c) Output Capacity 140.4(g), 150.0(h) Output Wattage 140.8(b)3, 170.2(e) Outside Air 120.1(c), 120.1(d), 120.1(f), 140.4(e)1, 140.4(k), 140.9(a), 141.1(b), 150.0(d), 150.0(m)12, 150.1(c), 160.1(c), 160.2(b)1, 160.2(c), 170.2(c) Outside Air Temperature 140.4(k)4, 140.9(a), 141.1(b), 170.2(c) Overall Assembly 140.3(a), 150.0(c), 150.0(d), 150.2(a), 160.1(c), 170.2(a)1, 2, 180.1(a)1 Overcurrent Protection Panel 110.9(d), 130.0(c)6, 160.5(b) Overflow Alarm 110.2(e) Overhang 110.10(b)1A, 110.10(b)1B, 130.1(d), 140.3(a)5, Table 140.3-E, 140.6(d), 150.1(c)4, 160.5(b)4D, 170.2(a) Overlapping 130.1(d), 160.5(b) Override 110.9(a), 110.9(b)4, 120.1(d), 120.2(e), 120.6(b), 130.1(c)3, 130.1(f), 130.2(c)2, 130.4(d), 130.5(d), 140.9(b), 150.0(k), 150.0(p), 160.2(c), 160.3(a), 160.5(a)3, 160.5(b), 160.6(d) Override Capability 150.0(p) Oxygen Concentration 120.6(d), 120.9(c), 160.4(f)

P

Packaged Direct-Expansion Unit 120.5(a)11 Packaged System 110.4(a), 150.1(c)7, 150.2(b)1F, 170.2(c)2, 180.2(b)2

Packaged Terminal Air Conditioners and Packaged Terminal Heat Pumps – Minimum Efficiency Requirements 110.2(a), Table 110.2-A, Table 110.2-B, Table 110.2-D, Table 110.2-E, Table 110.2-G, Table 110.2-H, Table 110.2-J, Table 110.2K, Table 110.2-N, 120.6(a), Table 120.6-B, Table 120.6-C, 120.6(b), Table 120.6-D, Table 120.6-E, 150.2(b), 180.3(b) Parking Area 130.1(a), 130.1(c)7, 140.7(d), 140.10(a), 150.1(c), 160.5(b)4, 170.2(f), 170.2(g) Parking Garage Ventilation System 120.6(c) Partial Cooling 140.4(e)2, 140.4(e)3, 140.9(a)1, 141.1(b), 170.2(c) Partition 130.1(a), 140.6(c), 141.0(b)2, 160.5(b), 170.2(e) Pascals 110.6(a)1, Table 110.9-A, 140.4(e), 150.0(k) Passageway 120.6(a)6 Peak Primary Airflow 140.4(d), 170.2(c)4B Penetrations 110.7, 120.3(b) Performance 110.1(b), 110.1(c), 110.2(f), 140.0(c), 140.3(a)6, 141.0(a)2, 141.0(b)3, 150.1(a), 150.1(b)3, 150.2(a)2, 150.2(b)2 Performance Compliance Approach 140.0(c), 140.1, 140.4(a), 141.0, 150.0(m)13, 170.1, 180.0, 180.1(b), 180.2(c) Performance Requirements Table 110.2-F, 110.8(i)4, Table 110.8-C, 170.2(c) Performance Requirements for Heat Rejection Equipment Table 110.2-F Perimeter Insulation 150.0(f), 150.1(c)1, 170.2(a) Permanent Label 110.6(a)5, 110.9(c), 110.9(d) Permanent Marking 130.5(d) Permanently Installed Static Pressure Probe (PSPP) 150.0(m)13 Permits 120.2(e), 150.0(k), 160.5(a) Pet Door 110.6(a)1 Petroleum Gas Photosynthetic Photon Efficacy (PPE) 120.6(h) Photovoltaic (PV) Capacity factors Table 140.10-A, Table 170.2-U System 110.10(a), 140.1(a), 140.1(b), 140.10(a), 150.1(c)14, 150.1(c)8, 150.2(a), 170.1(a), 170.1(b) Panel 140.3(a)1, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, 170.2(a)1, 180.2(b)1A Requirements (more than three stories) 170.2(g) Requirements (three habitable stories or less) 150.1(C), 170.2(f) Pilot Light 110.5 Pipe Diameter Table 120.3-A, 150.0(p), Table 160.3-D, Table 160.4-A Insulation 120.3, 120.3(b), Table 120.3-A, 150.0(j), 150.2(b)1H, 160.3(c)1, Table 160.4-A, 160.4(f), 180.2(b)

Insulation buried below grade 120.3(b), 160.3(c)1, 160.4(f) Insulation thickness Table 120.3-A, Table 160.3-D Insulation thickness – multifamily domestic hot water Table 160.4-A Sizing (compressed air) 120.6(e) Piping 110.4(b), 120.3(a), 120.3(b), 120.6(e), 150.0(j), 150.0(n), 150.0(p), 150.2(a), 150.2(b), 160.3(b)6, 160.3(c), 160.4(f), 180.2(b) Piping System (Compressed Air) 120.6(e) Plastic Sheathing 110.8(b) Plenum 120.1(e), 120.4, 120.4(a), 120.4(b), 140.4(o), 140.9(c), 141.0(b), 150.0(m)1, 150.0(m)13, 150.2(b)1D, 150.2(b)1E, 160.2(c)6, 160.3(c)2, 170.2(c) Plug-In Busway 130.0(c)6, 160.5(b) Plumbing 110.3(a), 110.3(c), 110.10(b), 110.10(c), 120.6(e), 150.0(j), 150.0(n), 150.0(v), 160.4(c), 160.9(c) Polyethylene 110.8(b) Pool 110.4, 110.5, 110.5(c), Table 120.1-A, 120.1(h), 150.0(p), Table 160.2-B, 160.2(d), 160.7(b) Porous Inner Core Flex Duct 150.0(m)10, 160.3(b)G-L Potential Solar Zone 110.10(b)1A, 110.10(b)1B Pounds/Square Foot 110.6(a)1

130.0(c)6, 160.5(b) Plumbing 110.3(a), 110.3(c), 110.10(b), 110.10(c), 120.6(e), 150.0(j), 150.0(n), 150.0(v), 160.4(c), 160.9(c) Polyethylene 110.8(b) Pool 110.4, 110.5, 110.5(c), Table 120.1-A, 120.1(h), 150.0(p), Table 160.2-B, 160.2(d), 160.7(b) Porous Inner Core Flex Duct 150.0(m)10, 160.3(b)G-L Potential Solar Zone 110.10(b)1A, 110.10(b)1B Pounds/Square Foot 110.6(a)1

Power Consumption 110.9(b)3, 140.9(a), 140.9(c), 141.0(b)2L Rating 120.6(e), 130.0(c)6 Strip 130.5(d), 160.6(d) Supply 110.11(a), 130.0(c)5, 130.5(d), 140.8(b), Table 140.9-B, 141.1(b), 160.5(b), 170.2(d) Supply efficiency 140.8(b)3, 140.8(b)5, 170.2(d) Trade-offs 140.7(b), 170.2(d) Venting 110.2(d), 110.2(f) PPM 120.1(d), 120.6(c), 160.2(c) Pre-Cooling 170.1(d) Precooling Coils 140.4(e)3, 170.2(c) Preexisting Energy Consumption 141.0(c), 180.3 Pre-Occupancy 120.1(d), 160.2(c)5 Precision Commercial and Industrial Work 140.6(b)4 Prescriptive Compliance Approach 140.0, 140.1, 140.2, 140.0(c), 141.0(a)1, 141.0(b)2, 150.1, 150.2(a)1, 150.2(b)1, 170.2, 180.0, 180.1(a), 180.2(b) Requirements 140.1, 140.3, 140.4, 140.5, 140.6, 140.7, 140.8, 140.9, 140.9(b), 140.9(c), 140.10, 170.1(a),

170.2 Standards 110.1(b), 110.1(c), 150.1(a), 150.1(c), 170.0, 170.2 Prescriptive Ventilation System Duct Sizing

[ASHRAE 62.2: Table 5-3] Table 150.0-H, Table 160.2-H Prescriptive Envelope Criteria for Guest Rooms of Hotel/Motel Buildings Table 140.3-C

316 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

150.1(c), Table 150.1-A, 150.2(b)1F, Table 150.2-D, Table 160.3-D, 160.3(c)1, 160.4(f), 170.2(c), Table 170.2-K Refrigerant Charge 120.6(b), 150.1(c)7, Table 150.1-A, 150.2(b)1F, Table 150.2-D, 170.2(c), Table 170.2-K, 180.2(b)2A Refrigerant Charge Verification 150.1(c)7, 170.2(c)3, Table 170.2-K Refrigerant Circuit 140.4(h) Refrigerated Display Case 120.6(b)3 Refrigerated Warehouse 110.2(a), 120.6(a), 120.6(a)5, 120.6(a)7, 140.3(c) Refrigerated Warehouse Insulation Table 120.6-A Refrigeration (Supermarket Systems) 140.4(e)1 Refrigeration Compressor System 120.6(b)2 Refrigeration System 120.6(a)4, 120.6(a)5, 120.6(a)7, 120.6(a)8, 120.6(b)1 Reheat 120.6(h), 120.6(j), 140.4(d), Table 140.4-A, Table 170.2-B, 170.2(c) Relamping Rated Wattage 130.0(c)1, 130.0(c)2, 160.5(b) Relative Humidity (RH) Table 140.4-G, 140.4(e)2, 170.2(c) Relief Air System 140.4(d), 170.2(c)4C Relief Fan 140.4(c)1, 170.2(c) Religious Worship Table 120.2-A, 140.6(a)3G, H, I, Table 140.6-C Relocatable Public School Building 140.3(a)8, 140.3(a)9, Table 140.3-B, Table 140.3-D, 141.0(b)3 Remote Heater 110.3(c)1 Removable Ceiling Panel 120.7(a)3 Renewable Electric Generation System 140.1(b), 150.1(b)1 Repairs 10-106(a), 141.0, 141.0(b)2A, 141.0(c), 141.0(d), 150.2(b)1B, 180.0, 180.3 Replacement Table 110.2-E, 110.3(c), 110.6(a)2, 110.6(a)3, 110.6(a)4, 110.9(c), 110.9(d), 120.6(i), 141.0(b)2C, 141.0(b)2D, 141.0(b)2E, 141.0(b)2L-R, 150.2(b)1C-I, 150.2(b)1L, 150.2(b)2, 160.5(c), 170.2(b)4F,

1 Removable Ceiling Panel 120.7(a)3 Renewable Electric Generation System 140.1(b), 150.1(b)1 Repairs 10-106(a), 141.0, 141.0(b)2A, 141.0(c), 141.0(d), 150.2(b)1B, 180.0, 180.3 Replacement Table 110.2-E, 110.3(c), 110.6(a)2, 110.6(a)3, 110.6(a)4, 110.9(c), 110.9(d), 120.6(i), 141.0(b)2C, 141.0(b)2D, 141.0(b)2E, 141.0(b)2L-R, 150.2(b)1C-I, 150.2(b)1L, 150.2(b)2, 160.5(c), 170.2(b)4F,

180.1 Replacement Ventilation Fan 150.2(b), 180.2(b)5 Replica 140.6(a)3 P, Q, R, 140.7(a), 170.2(e) Representative Test Floor 140.3(a)9 Requirements For Signs 140.8, 170.2(e)7 Reserved Space (Electrical Service Panel) 110.10(e), 150.0(n), 150.0(t)2, 150.0(u)2, 150.0(v), 160.9(a), 160.9(b), 160.9(c), 160.9(e), 160.9 Reset Control 10-103.1(c), 120.2(e), 120.5(a), 140.4(c), 140.4(f), 140.6(c), 160.3(a) Residential ACM Reference Manual 141.0(b), 150.1(b)1, 150.2(b)2, 170.2(b) Residential Appendix RA3 150.0(m)1, 150.0(m)13, 150.0(o), 150.1(b)3, 150.1(c)1, 150.1(c)10, 150.1(c)7, 150.1(c)8, 150.1(c)9, 150.2(b)1D, 150.2(b)1E, 150.2(b)1F RA3.1 150.0(m)11, 160.3(b)G-L, 180.2(b) RA3.2.2 170.2(c)3 RA3.2.3.1 150.1(c), 150.2(c), 170.2(c)3

Prescriptive Envelope Criteria for Nonresidential Buildings (Including Relocatable Public School Buildings (Where Manufacturer Certifies Use Only in Specific Climate Zone; Not Including High-Rise Residential Buildings and Guest Rooms of Table 140.3-B Prescriptive Envelope Criteria for Relocatable Public School Buildings for Use In All Climate Zones Table 140.3-D

Pressure Class 120.4(b), 160.3(c)2 Differential 140.3(a)9, 140.4(o), 170.2(c)4M Drop 120.6(d), 140.4(c), Table 140.4-A, 140.4(e)3, 150.0(m)12, 150.0(m)13, 150.0(o), 150.0(p), Table 150.0-B, Table 150.0-C, 150.1(c)7, 150.2(b)1F, 160.2(b)1, Table 160.3-A, Table 160.3-B, 170.2(c)3, Table 170.2-B, 180.2(b)2, Table 180.2-D Pressure-sensitive tape 120.4(b)2, 120.4(c), 160.3(c)2 Sensor 140.0(c), 140.4(k)6, 170.2(c)4 Pressurization Table 140.4-B, 140.9(b), 140.9(c)3, Table 170.2-C Primary Sidelit Daylit Zone 130.1(d), 140.3(c), Table 140.6-A, 140.6(a)3, 140.6(d), 160.5(b)4, 170.2(b)

Process Boiler 120.6(d) Process equipment 120.6(i) Process facility 140.9(c), 141.1 Process loads 140.4(b)8, 140.4(c)3, 140.4(d), 140.4(f) Programmable Timer 120.2(e) Project Documentation Requirements 120.8(b) Projection Factor 140.3(d)2, 140.3(d)3, Table 140.3-E, 170.2(a) Propane 150.0(n), 150.0(t),150.0(u), 150.0(v), 150.2(b)1H, 160.4(a), 160.9(a), 160.9(b), 160.9(c), 170.2(d)3, 180.2(b)3

Propeller Fan 140.4(h), 170.2(c) Proposed Design 140.1, 170.1, 140.4(b)5, 141.0(a)2, 141.0(b)3, 150.1(b)1, 150.1(b)3, 150.2(a)2B, 150.2(b)2, 170.1, 180.2(c) Proposed Efficiency Table 141.0-E, Table

150.2-D Protection Of Insulation 120.4(f), 150.0(m), 160.3(b)G-L Public Art 130.2(b) Garage 150.0(o) Health standards 110.4(b) Monument 130.2(b), 140.7(a), 140.7(c), 170.2(e) Restroom 130.1(a) Streets 140.7(a), 170.2(e) Pump Flow rate 140.4(k)1, 150.0(p), 170.2(c)4I Isolation valve 110.3(c)4 Motor 110.2(f), 140.4(k)6, 150.0(p), 170.2(c)4 Pressure 120.2(j), 160.3(a) Priming 110.3(c)4

Sizing 150.0(p) System power 140.4(k)1, 140.4(k)5, 170.2(c)4I

Q

Qualifying Lighting Systems 140.6(c), 170.2(e)4 Quality Insulation Installation (QII) 150.1(b)3, 150.1(c)1, 150.2(a)1A, 150.2(a)1B, 170.1(d), Table 170.2-A, 170.2(a)6, 180.1(a)1

R

R-4.2 120.4(a), 160.3(c) R-8 120.4(a), Table 150.1-A, Table 150.2-A, 160.3(c), Table 170.2-K, Table 180.2-C Radiant Barrier 110.8, 110.8(j), 150.1(c)2, Table 150.1-A, 150.2(a)1B, 150.2(b)1I, 170.2(a)1, Table 170.2-A, 180.1(a)1, 180.2(a) Radiation 110.8(g), 110.9(b)6, 120.3(b), 120.4(f), 150.0(m) Rafter Area 150.2(b)2 Rafter Ceiling 150.2(a)1B Rafter Roof Insulation 150.0(a) Rainwater Catchment 110.10(b)1A, 110.10(b)1B Raised Floor 141.0(b), 150.0(d), 150.1(c)1, 170.2(a)5, 180.2(a)2 Floor insulation 150.0(d) Framed floor 141.0(b)1C, 180.2(a) Mass floor 120.7(c)1, 141.0(b)1C, 160.1(c), 180.2(a) Wood floor 160.1(c) Rated Airflow 140.4(e)2 Capacity 140.4(h), 170.2(c) Efficiency 140.4(h) Energy capacity 140.10(b), 170.2(h) Output 140.8(b)3 Power capacity 140.10(b), 170.2(h) Volume 150.1(c)8 Readily Accessible Control 150.0(e), 160.1(f), 160.5(a)2, 160.5(b)4 Receptacle Control 130.4(a) Recirculated Air 120.1(c)1, 120.1(c)4, 150.0(m), 160.1(b), 160.2(c)1 Recirculating System Piping 120.3(a) Recirculation 120.1(g) Distribution system 150.0(n), 150.1(c), 150.2(b)1H, 170.2(d), 180.2(b)3 Limitations (air) 120.1(g), 160.2(c)8 Loop 110.3(c)4, 150.0(n), 150.1(c)8, 160.4, 170.2(d) Recooling 120.6(j), 140.4(d), 170.1(d), 170.2(d) Recovered Energy 110.3(c)5, 110.4(a) Recovery Capacity 10-115(a), 110.2(e), 110.12(c), 140.4(i) Recovery Efficiency 160.2(b)2B, 170.2(c)3B, Table 170.2-K Reduction Credits 10-115(a), 150.1(b)1, 170.2(e)2 Reference Appendices 10-103(a), 110.0(b) Refrigerant 110.2(f), Table 110.2-G, Table 110.2-H, 120.3(a), 120.3, Table 120.3-A, Table 120.6-B, Table 120.6-C, Table 120.6-E,

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

RA3.4.2 150.1(c), 150.2(b), 170.2(c)3, 180.3(b) RA3.4.4.3 150.1(b), 170.1(d) RA3.5. 150.1(b), 150.1(c), 170.1(d), 170.2(a)6 RA3.6.9 150.1(c)8, 170.2(d) RA3.7 150.0(o), 150.1(c), 150.2(b)1M, 160.2(a), 170.2(c), 180.2(b) RA3.7.4.4 150.0(o), 160.2(b)2B RA4 110.10(b)1A, 150.0(d), 150.1(c)1, 150.1(c)2, 150.1(c)8, 150.2(b)1H, 170.2(a), 170.2(d), 180.2(b) Residential Occupancies 110.3(a)1 Residential Space Type Bathroom 150.0(k)2, 150.0(o), 160.2(b)2A, 180.2(b)5 Closet 130.1(c)2 Garage 150.0(k)2, 150.1(c)5, 150.1(c)8, 150.2(b)1D, 150.2(b)1E, 160.5(a)1 Kitchen 130.5(d), 160.6(d), 180.2(b)5 Laundry room 150.0(k)2, 160.5(a)2 Utility room 150.0(k)2, 160.5(a)2 Return

, 150.1(c)1, 150.1(c)2, 150.1(c)8, 150.2(b)1H, 170.2(a), 170.2(d), 180.2(b) Residential Occupancies 110.3(a)1 Residential Space Type Bathroom 150.0(k)2, 150.0(o), 160.2(b)2A, 180.2(b)5 Closet 130.1(c)2 Garage 150.0(k)2, 150.1(c)5, 150.1(c)8, 150.2(b)1D, 150.2(b)1E, 160.5(a)1 Kitchen 130.5(d), 160.6(d), 180.2(b)5 Laundry room 150.0(k)2, 160.5(a)2 Utility room 150.0(k)2, 160.5(a)2 Return

Air Table 110.2-L, Table 110.2-M, 120.2(i), 120.4(a), Table 140.4-G, 140.4(e), 140.4(o), 150.0(m)1, 160.3(a), 160.3(c)2, Table 170.2-G, 170.2(c) Air damper 140.4(e)1, 140.4(e)2, 170.2(c)4 Air plenum 140.4(o), 170.2(c) Duct Table 150.0-B, Table 150.0-C, 150.1(c)13, Table 160.3-A, Table 160.3-B, 170.2(c)3 Fan 140.4(c)1, 170.2(c)4A Grille 150.0(m)13, Table 150.0-B, Table 150.0-C, 160.3(b), Table 160.3-A, Table 160.3-B Line 110.3(c), 110.4(b), 150.0(p) Loop 110.3(c)4 Plenum 120.1(e), 160.2(c)6 Return Duct Sizing for Multiple Return Duct Systems Table 150.0-C, Table 160.3-B Return Duct Sizing for Single Return Duct Systems Table 150.0-B, Table 160.3-A Rigid Board Insulation 140.3(a)9 Rigid Ducts 120,4(d), 150.0(m)5, 160.3(b)5 Roof 110.10(b)1A, 110.10(b)1B, 110.10(b)3, 110.10(b)4, 120.7(a), 141.0(a)2, 150.0(c), 150.2(b)1I Alterations Table 141.0-C, Table 150.2-C, 180.2(b)1 Area 110.10(b)1, 140.3(a)1, 140.10(a), 141.0(b)2B, 150.1(c), 150.2(b), 170.2(a), 170.2(f), 170.2(g), 180.2(b) Assembly 120.6(h), 120.7(a), Table 150.2-C, 160.1(a) Coatings 10-113(a), 110.8(i)4 Deck 120.7(a), 141.0(b)2B, 150.0(a), Table 150.1-A, 150.1(c)1, Table 150.2-B, 150.2(b)1I, 160.1(a), Table 170.2-A, 170.2(a), Table 180.2-A Insulation 140.3(a)1, 141.0(b)1A, 150.1(c)1, 150.1(c)9, 150.2(a)1B, 160.1(a), 170.2(a)1 Low-sloped 110.10(b)1A, 110.10(b)1B, 110.8(i)4, 140.3(a)1, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, 180.2(b)1

Membrane 110.8(h), 140.3(a)1, 141.0(b)2B Rafters 150.1(c)1, 170.2(a) Replacement 141.0(b)2B, 150.2(b), 180.2(b) Steep-sloped 110.10(b)1A, 110.10(b)1B, 110.10(b)2, 140.3(a)1, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, 180.2(b)1 Surface 110.8(i)4 Roof/Ceiling Insulation 120.7(a), Table 140.3, Table 141.0-B, 141.0(b), Table 141.0-E, 180.2(a), Table 180.2-A, 180.2(a), 180.2(b)1 Roof/Ceiling Insulation Tradeoff 140.3(a)1, Table 140.3, Table 141.0-B, Table 141.0-E, Table 180.2-A Roof/ceiling Insulation Tradeoff for Aged Solar Reflectance –Nonresidential Buildings Table 140.3 Roof/ceiling Insulation Tradeoff for Low- sloped Aged Solar Reflectance Table 141.0-B, Table 180.2-A Roofing 10.113(a), 10-113(b), 10-113(c), 10113(d), 110.8(h), 140.3(a), Table 140.3-A, 141.0(b), Table 150.1-A, 150.1(c)11, 150.2(a), Table 150.2-B, 170.2(a) Roofing Product 10-113(a), 10-113(b), 10113(c), 110.8, 110.8(i)1, 110.8(i)2, 110.8(i)3, 140.3(a), Table 140.3-D, 141.0(b)2B, 150.1(c), Table 150.1-A, Table 150.2-D, 170.2(a)1

sloped Aged Solar Reflectance** Table 141.0-B, Table 180.2-A Roofing 10.113(a), 10-113(b), 10-113(c), 10113(d), 110.8(h), 140.3(a), Table 140.3-A, 141.0(b), Table 150.1-A, 150.1(c)11, 150.2(a), Table 150.2-B, 170.2(a) Roofing Product 10-113(a), 10-113(b), 10113(c), 110.8, 110.8(i)1, 110.8(i)2, 110.8(i)3, 140.3(a), Table 140.3-D, 141.0(b)2B, 150.1(c), Table 150.1-A, Table 150.2-D, 170.2(a)1

Room Air conditioner 110.2(b), 110.2(c) Air conditioner heat pump 110.2(c) Air temperature 140.4(f), 170.2(c)3 Cavity ratio (RCR) 140.6(c)3F, G, 170.2(e)4 Room Cavity Ratio (RCR) Equations Table 170.2-P Rough-In 150.0(m)11 Round-trip Efficiency 140.10(b), 170.2(h) R-Value 110.3(c)3, 110.8(d)1, 110.8(d)2, Table 110.8-A, 110.8(h), 120.3(c), Table 120.3-A, 120.4(c), 120.4(d), 120.4(e), Table 120.6-A, 120.6(a)1, Table 141.0-C, 141.0(b)2B, 150.0(b), 150.0(c), 150.0(d), 150.0(m)4, 150.0(m)5, 150.0(m)6, 150.1(c)1, Table 150.2-A, Table 150.2-B, Table 150.2-C, Table 150.2-D, 150.2(b)2, 160.3(b)5D-F, 160.3(c)1, Table 160.3-D, Table 160.4-A, 170.2(a), 180.1(a), Table 180.2-A, Table 180.2-C

S

Safety Factor (Design Loads) 140.4(b)11, 170.2(c)2 Sash 140.9(c), 141.0(b)2A Sash and Frame 150.2(b)1B, 180.2(b)1C Saturated Condensing Temperature 120.6(a)4, 120.6(b), Table 120.6-D, 160.5(b) Saturated Suction Temperature 120.6(a)5, 120.6(a)5, 120.6(a)8, 120.6(b)2, 120.6(b)5 Scene Controllers 130.1(a), 160.5(b) Scheduled Occupancy 120.1(d), 160.2(c)5 Scheduling Control 130.2(c)2, 160.5(c) Scientific and Industrial Equipment 140.6(a)3

Seal Class A 120.4(b)1, 120.4(b)2, 160.3(c)2 Sealant 120.4(a), 120.4(b)2, 150.0(m), 160.3(b)5A-F Sealed 110.7, 110.11(A), 120.3(B), 120.4(a), 120.4(b), 120.4(G), 120.7(a), 140.3(a), 141.0(b), 150.1(A), 150.0(K), 150.0(m), 150.2(b), 160.1(a), 160.2(C), 160.3(b), 160.3(c), 160.4(f), 160.5(a)1, 180.2(b)2 Sealed Joints 140.3(a)9 Sealed Sheet Metal 160.3(b)5A-F Seasonal Energy Efficiency Ratio (SEER) Seer Rating 150.1(b)3, 170.1(d)2 Secondary Loop 140.4(e)3, 170.2(c)4C Secondary Sidelit Daylit Zone 130.1(d), 140.6(a)3A, B, C, Table 140.6-A, 140.6(d), 160.5(b)4, 170.2(e) Senior Housing 160.5(a) Sensible And Latent Heat Gain 140.4(b)7, 170.2(c)2 Sensible Energy Recovery Ratio 140.4(q), 170.2(c)4O Sensible Recovery Efficiency 160.2(b)2B, 170.2(c)3 Sensor Accuracy 140.4(e), 170.2(c)4C Sensor Calibration Data 140.4(e)2, 170.2(c)4C Sensor High Limit Control 170.2(c)4C Separate Control 130.1(b), 130.1(c), 130.1(d), 160.5(b)4 Separately Controlled 160.5(B) Separation Of Electrical Circuits 130.5(b), 141.0(b), 160.6(b), 180.2(b) Server Room 130.1(c)2 Service Electrical Metering 130.5(a), 160.6, 141.0(b)2P, Q, R, 180.2(b) Service Panel 110.10(e), 150.0(n), 150.0(t), 150.0(u), 150.0(v), 160.9(a) Service Water Heating 110.3(c), Table 120.3-A, 120.3(a), 140.1(a), 140.1(b), 140.5(c), Table 141.0-E, 170.1(a), 170.1(b),

rolled** 160.5(B) Separation Of Electrical Circuits 130.5(b), 141.0(b), 160.6(b), 180.2(b) Server Room 130.1(c)2 Service Electrical Metering 130.5(a), 160.6, 141.0(b)2P, Q, R, 180.2(b) Service Panel 110.10(e), 150.0(n), 150.0(t), 150.0(u), 150.0(v), 160.9(a) Service Water Heating 110.3(c), Table 120.3-A, 120.3(a), 140.1(a), 140.1(b), 140.5(c), Table 141.0-E, 170.1(a), 170.1(b),

180.2 Setback 110.2(c), 110.9(b), 120.2(e), 140.4(b)12, 150.0(i), 150.2(b), 160.3(a), 170.2(c), 180.2(b) Setback Functions 110.9(b)1 Setback Thermostat 110.2(c), 150.0(i), 150.2(b)1F, 180.2(b)2A Setpoint 110.12(b), 110.2(b), 110.2(c), 110.9(b)2, 120.1(d), 120.2(c), 120.2(e), 120.2(j), 120.2(k),120.6(b), 140.4(d), Table 140.4-G, 140.4(e)2, 140.4(k)6, 140.4(n), 160.2(b)5, 160.3.(a)2, 170.2(c)4, 170.2(d)2 Setpoint Reset 140.4(c)2, 170.2(c) Shading 110.10(b)1A, 110.10(b)1B, 110.10(b)3, 140.3(a), 140.3(d), 140.10(a), 150.1(c)14, 150.1(c)4, 170.2(a)3, 170.2(f) Shading Coefficient 140.4(b)5, 170.2(c) Shared Solar Electric Generation 10-115(a), 10-115(b), 140.1(b), 170.1(b) Sheave Adjustments 140.4(c)3, 170.2(c)4 Sheet Metal 120.4(f), 150.0(m)1, 160.3(b), 160.3(c) Sheet Metal And Air Conditioning Contractors National Association (SMACNA) 120.2(e), 120.6(d), 120.9(a), 130.1(c), 130.4(a), 130.5(d), 140.4(n), 150.0(h), 150.0(m)1, 160.3(a), 160.3(b)1, 160.4(e), 160.5(b), 160.5(e), 160.6(d), 170.2(c)

318 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

System controls 120.2, 140.4(d), 140.4(f), 160.2(c)7 Zone controls 130.1(f), 160.2(c)5 Space Exhaust 120.1(d), 160.2(c) Space Heater 141.0(b)2C, 150.0(t)9 Space Heating 110.3(b), 120.1(d), 120.3(a), Table 120.3-A, 120.6(b), 140.4(g), 140.4(o), 140.9(b), 150.0(m)1, 150.1(c), 150.2(b)1G, 160.2(c), 160.3(b), 160.3(c)1, Table 160.3(d),170.2(c) Space Temperature 120.2(e), 120.6(a), 140.4(e), 140.4(m), 160.3(a), 170.2(c) Space Temperature Sensor 140.4(n) Split System Table 110.2-A, Table 110.2-B, Table 110.2-H, 141.0(b)2E, 150.1(c), 150.2(b)1C, 150.2(b)1E, 150.2(b)1F, 170.2(c), 180.2(b)2A Splitwired Receptacle 130.5(b), 130.5(d) SSL Luminaires 130.0(c)4, 130.1(b), 160.5(b)1 Stack-Gas 120.6(c), 120.9(c), 160.4(e) Stairwell 130.1(a), 130.1(c)6, 130.1(c)7, Table 140.6-C Standard Charge Verification Procedure 150.1(c)7, 150.2(b)1F, 160.5(b), Table 170.2M, 170.2(c)2B, 180.2(b)2A Standard Design 141.0(a)2, 141.0(b)3, Table 141.0-E, 150.1(b), 150.1(b)3, 150.2(a)2B, 150.2(b)2, Table 150.2-D, 170.1, 180.1(b) Standard Design For An Altered Component 141.0(b), Table 141.0-E, 150.2(b), Table 150.2-D, 180.2(c) Standard Test Conditions 110.10(b)1B Standby Loss (Controls) 110.2(d) Start/Stop Controls 120.2(k) State Buildings 110.3(c)5 Static Pressure 120.6(d), 120.9(a), 140.4(h), 140.4(k)6, 150.0(o), 160.2(b), Table 160.2-H, 160.3(b)5L, 160.4(e) Static Pressure Probe 150.0(m), 160.3(b)5G-L Static Pressure Sensor 140.4(c)2, 170.2(c) Steady-State Design Loads 140.4(b)12 Steady-State Operation 110.2(a), 110.3(b) Steam Trap 120.6(i) Stepped Dimming 130.1(f) Storage Tank 110.3(c)3, 110.3(c)4, 110.8(d), 120.3(a), 150.1(c)8, 150.2(a), 150.2(b)1H, 170.2(d), 180.2(b)3 Storage Tank Insulation 150.0(j) Storage Type Water Heater 150.1(c)8 Structural Design Loads 110.10(b)4 Structurally Insulated Panel (SIP) 140.3(a)9 Stucco 140.3(a)9 Subdivision 10-109(c), 10-109(d), 110.10(a), 110.1(c), 140.6(a), 150.1(a), 170.0(a), 170.2(e) Suction Group 120.6(a), 120.6(b)2 Suction Line 110.4(b), 150.0(p) Suction Piping 120.3(b), 160.3(c), 160.4(f) Summary of Commissioning Requirements 120.8(a) Summer Dehumidification 140.4(b)2, 170.2(c) Sunrise/Sunset 110.9(b)1 Supplementary Heating 110.2(b), 150.1(c)6 Supply Air 120.1(c), 120.1(f), 120.2(i), 120.4(a), 140.4(c), 140.4(e), 140.4(f), 140.4(n),

170.2(e) Suction Group 120.6(a), 120.6(b)2 Suction Line 110.4(b), 150.0(p) Suction Piping 120.3(b), 160.3(c), 160.4(f) Summary of Commissioning Requirements 120.8(a) Summer Dehumidification 140.4(b)2, 170.2(c) Sunrise/Sunset 110.9(b)1 Supplementary Heating 110.2(b), 150.1(c)6 Supply Air 120.1(c), 120.1(f), 120.2(i), 120.4(a), 140.4(c), 140.4(e), 140.4(f), 140.4(n),

Shut-off 120.2(g), 120.6(d), 120.9(a), 130.1(c), 130.4(a), 130.5(d), 140.4(n), 160.3(a), 160.4(e), 160.5(b), 160.5(e), 160.6(d), 170.2(c) Shut-Off and Reset 120.2(e), 160.3(a)2 Sidelit Daylit Zone 130.1(d), 140.3(a)5, 140.3(c), 140.6(a), Table 140.6-A, 160.5(b)4D, 170.2(a)3, 170.2(b), 170.2(e) Siding 150.2(a)1B, 180.1(a) Sign 130.2(b), 140.7(a), 140.7(c) Double-faced signs 140.8(a), 170.2(e)7 Electronic Message Center (EMC) 110.12(d), 130.3(a), 140.8(b)6, 160.5(d) Externally illuminated sign 140.8(a), 140.8(b)6, 141.0, 141.0(b)2F, G, H, 141.0(b)2M, N, O, 170.2(e)7, 180.0, 180.2(b)4 Internally illuminated sign 140.8(a), 140.8(b)6, 141.0(b)2F, G, H, 141.0(b)2M, N, O, 150.0(k)4, 170.2(e)7 Traffic sign 140.7(a), 140.7(c), 140.8(b)6 Unfiltered neon 140.8(a), 170.2(d)7 Significant Contaminant 160.2(c)8 Single Family buildings 150.0, 150.1, 150.2, 110.10(a), 110.10(b)1A, 110.10(c), 110.6(a)6, 110.8(d)1, 150.0(k)3, 150.0(s), 150.1(a), 150.1(c)1, 150.1(c)11, 150.1(c)14, 150.2(a) Phase 120.6(a)3 Pole circuit breaker space 150.0(n), 160.4(a) Pole double throw 140.6(a)1, 170.2(e)2 Side opening 160.2(c)2 Zone air conditioner 160.3(d)1 Zone central forced air system 150.0(m)13, 160.3(b)G-L Zone damper 120.1(d), 160.2(c)5 Zone heat pump 120.2(b) Zone space conditioning system 120.4(g), 140.4(a) cabinet 140.4(c)1 Site-Recovered 140.4(d), 140.4(g) Site-Solar Energy 140.4(d), 140.4(g) Sizing(Equipment) 140.4(a), 150.0(h), 160.3(b)2, 170.2(c)1 Skylight 110.6(a)3, 110.6(a)4, 130.1(d), 140.3(a)6, 140.3(c), 141.0(b)2A, 141.0(b)2G, 150.0(q), 150.1(c)3, 150.2(b)1A, 150.2(b)1B, 170.2(a)3, 180.2(b)1 Skylight Area 110.6(a)2, 110.10(b), 140.3(a), 140.3(c), 150.2(b), 170.2(b) Skylit Daylit Zone 130.1(d), 140.3(a)5, 140.3(c), 140.6(a)3, Table 140.6-A, 160.5(b)4, 170.2(b) Slab Edge Insulation 150.0(f) Slab Floor 110.8(g), Table 110.8-A, 150.0(f), 150.1(c)1, 160.1(f) Slab Floor Perimeter Insulation 170.2(a)5 Slab Insulation Requirements for Heated Slab Floor Table 110.8-A Small Duct High Velocity 150.0(m)13, 150.1(c)7, 150.2(b)1F, 160.3(b)5L, 170.2(c)3B, 180.2(b)2A Smoke Density 110.8(c)

3(c), 140.6(a)3, Table 140.6-A, 160.5(b)4, 170.2(b) Slab Edge Insulation 150.0(f) Slab Floor 110.8(g), Table 110.8-A, 150.0(f), 150.1(c)1, 160.1(f) Slab Floor Perimeter Insulation 170.2(a)5 Slab Insulation Requirements for Heated Slab Floor Table 110.8-A Small Duct High Velocity 150.0(m)13, 150.1(c)7, 150.2(b)1F, 160.3(b)5L, 170.2(c)3B, 180.2(b)2A Smoke Density 110.8(c)

Smoke Test 141.0(b)2D, 150.2(b)1D, 150.2(b)1E, 180.2(b)2A Smoke Ventilation 110.10(b)1 Soffit Insulation 120.7(c), 160.1(c) Soiling Resistance 110.8(i)2, Table 110.8-B Solar Access 110.10(b)1A, 110.10(b)1B, 140.10(a)2, 170.2(g) Access Roof Area (SARA) 140.10(a), 150.1(c)14, 170.2(f), 170.2(g) Electric generation system 10-115(a), 10-115(b), 10-115(c), 110.10(b)1B, 110.10(e), 140.1(b), 150.1(b)1, 170.1(b) Energy 110.10(b)4, 110.3(c)5, 110.4(a) Gain 150.1(c)3 Heating 110.4(b) Insolation 110.10(b)1A, 110.10(b)1B, 140.10(a)2, 170.2(f), 170.2(g) Intensity 140.3(a)5, 140.3(a)6, 150.1(c)3, 170.2(a)3 Noon 150.1(c)4 Radiation 120.3(b), 120.4(f), 150.0(m)9, 160.3(b)5I, 160.3(c), 160.4(f) Rating and Certification Corporation (SRCC) 150.0(n), 160.4 Ready 110.10, 150.0(r), 160.8(a), 180.1(a) Ready zone 150.1(c)14 Reflectance 110.8(i), Table 140.3-D, Table 141.0-B, Table 150.2-B, 170.2(a) Reflectance Index (SRI) 110.8(i)3, 140.3(a)1, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, Table 170.2-A Savings Fraction (SSF) 110.10(a), 150.1(c)8, 170.2(d)3 Thermal panel 141.0(b)2B, 170.2(a)1 Water heating collector 150.0(n), 160.3(b)6 Water heating system 110.10(b)1A, 110.10(b)1B, 110.3(c)3, 110.8(d)2, 141.0(b)2M, N, O, 150.0(j), 150.0(n), 150.1(c)8, 160.3(b), 160.4, 170.2(d) Zone 110.10(b)2, 110.10(b)3, 110.10(b)4, 110.10(c) Sonic Anemometer 140.9(c)3 Sound Rating 150.0(o), 160.2(b)2A Source Energy 140.1(a), 140.1(b), 150.1(b)1, 170.1(a), 170.1(b) Source Energy Design Rating 150.1(b)1 Spa 110.4, 110.4(a), 110.4(b), 110.5, Table 140.6-C, 160.7(b) Spa Heater 110.5(d) Space Conditioning 110.8(d)3, 120.6(f), 170.1(d), 170.2(c), 170.2(c)4 Distribution 150.1(c), 170.2(c)3 Equipment 110.2 System 120.1(f), 120.2(k), 120.3(a), 120.4(g), 140.1(a), 140.4, 140.4(c)3, 140.4(e)2, 141.0(a)1, 141.0(a)2, 141.0(b)2, 141.0(b)2C, 141.0(b)2D, 141.0(b)2E, 141.0(b)3, 150.0(h), 150.0(m)11, 150.0(m)12, 150.0(m)13, 150.1(b)3, 150.2(b)1C, D, E, F, 160.2(b)1, 160.3, 160.3(b), 160.3(b)6, 180.2(b)2

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

140.4(o), 140.4(p), 141.1(b), 150.0(m)1, 150.0(m)12, 160.3(b)5A-F, 160.3(c)2, 170.2(c)4M Air sensor 140.4(e)2 Air temperature 140.4(d), 140.4(f), 140.9(a), 140.9(c) Air temperature reset controls 120.5(a)15, 160.3(d), 170.2(c)4D Collocated 150.0(s) Fan Power Allowances (watts/cfm) Table 140.4-A, Table 170.2-B Fan variable flow controls 10-103(b), 10-103(c), 120.5(a)6, 160.3(d) Flow 140.4(o), 140.9(b), 170.2(c)4M Plenum 150.0(m), 160.3(b)G-L Supply-only fan 140.4(c)1 Supply-only ventilation 160.2(b)1, 160.2(c)1 Temperature 140.4(k)7, 170.2(c) Water temperature reset controls 120.5(a)9, 160.3(d) Suspended Ceiling 120.7(a)3 Switched Outlets 150.0(k)2, 160.5(a)2 Switches 110.4(b), 110.9(b)6, 130.1(c), 130.5(d), 150.0(p), 160.2(b), 160.5(b), 160.6(d) System Capacity Table 140.4(e), 140.9(c)3, 140.10(b), 150.1(c)8, 150.2(a), Table 170.2-E, 170.2(h), 180.1 Design 10-103, 150.0(m)12, 160.2(a), 160.2(b) Efficacy 130.1(c)7 Efficiency 120.6(a)8, 120.6(b)5F, 140.4(k)7, 140.5(c), 170.2(d)3 Piping 120.3(a), 120.6(e), 150.0(j), 150.0(p) Pressure 120.6(e) Systems Expectations 120.8(b) Systems Manual 120.8(h) Systems Operations Training 120.8(h)

T

Temperature 110.3(c)3, 120.2(k), 120.3(c) Controls 110.3(a)1, 110.3(c)1 Reset 10-103.1(c), 120.5(a), 120.6(a)4 Reset controls 140.4(f), 140.4(k)4, 160.3(d) Rise 150.2(h), 160.3(b)4 Sensor 120.2(i), 160.3(a) Setpoint 110.2(c), 120.2(c), 120.2(e), 120.6(a), 120.6(b), 140.4(d), 140.4(n), 160.3(a), 170.2(c)4L, 170.2(d) Temporarily Operate 120.2(e), 160.3(a)2 Temporary Exhibit 140.6(a)3D, E, F Temporary Label 10-111(a), 10-111(b), 110.6(a)5 Tenant Space 10-103(b), 140.6(c)1, 140.6(c)2, 141.0(b)2I, Table 140.10-A, 141.0(b), Table 170.2-U, Table 170.2-V, 180.2(b)4 Terminal Unit 10-113.1(c), Table 120.2A,120.5(a), 140.4(c)3, 140.4(p), 160.3(d), Table 160.3-C, Table 170.2-B, 170.2(c) Test Condition 110.2(a)

Operate** 120.2(e), 160.3(a)2 Temporary Exhibit 140.6(a)3D, E, F Temporary Label 10-111(a), 10-111(b), 110.6(a)5 Tenant Space 10-103(b), 140.6(c)1, 140.6(c)2, 141.0(b)2I, Table 140.10-A, 141.0(b), Table 170.2-U, Table 170.2-V, 180.2(b)4 Terminal Unit 10-113.1(c), Table 120.2A,120.5(a), 140.4(c)3, 140.4(p), 160.3(d), Table 160.3-C, Table 170.2-B, 170.2(c) Test Condition 110.2(a)

Test Method 110.2(a), 110.3(b), 110.8(g), 140.3(a)9, 140.3(c), 150.0(f), 170.2(a), 170.2(b) Testing Lab 10-111(d), 10-113(d) 130.0(c)3, 130.0(c)7, 160.5(b)1, Table 141.0-E, 150.2(b), 180.2(c) Theater 120.2(e)1, 140.6(a)1, 140.6(a)2 Thermal Capacity 140.4(b)12, 150.1(c)6, 170.2(d) Conditioning 120.1(c)1, Table 140.4-A, 150.0(m)12, 160.2(b)1, 160.2(c)1, Table 170.2-B Conductance 140.4(b)5, 170.2(c) Efficiency Table 110.2-I, Table 110.2-J, Table 110.2-L, 140.4(k)8, 140.5(c), 170.2(d)3 Emittance 110.8(i)1, 110.8(i)3, 140.3(a)1,Table 140.3-B, Table 140.3D, 141.0(b)2B, 150.1(c)11, 150.2(b)1I, 170.2(a)1, Table 170.2-A, 180.2(b)1 Energy Storage (TES) system 10-103.1(c), 120.5(a)14, 140.4(i), 140.4(j), 160.3(d)1 Envelope 150.0(m)1, 160.2(c)1, 160.3(b)5 Performance 110.8(a), 120.4(e), 150.0(m)6, 160.3(b), 160.3(c) Resistance 141.0(b)2B, 150.0(a), 150.0(c), 150.2(a)1D, 150.2(b)1H, 160.1(a), 180.2(b) Thermostat 110.10(b)1A, 110.10(b)1B, 110.12(a), 110.2(b), 110.2(c), 120.2(a), 120.2(b), 120.2(c), 120.2(e), 120.2(i), 141.0(b)2E, 150.0(i), 150.1(c)7, 150.2(b)1F, 160.3(a)1 Thermostatic Controls 120.2(a), 120.2(b), 120.6(a)2, 140.4(n), 160.3(a)2 Thickness 120.3(c) Third Party Verification 141.0(b)3, 150.2(b)2 Three Habitable Stories or Less 110.8(d)1, 110.10(a), 110.10(b), 160.2(a), 170.2(a)5, 170.2(a)6, Table 170.2-A, 170.2(f), 170.2(g), 170.2(h), 180.1(a), 180.1(b) Time Dependent Valuation (TDV) Energy 140.1(a), 140.1(b), 140.1(c), 140.4(e)1, 140.4(a), 141.0(a)2, 150.1(b)1, 150.1(b)2, 150.2(a)2B, 170.1(a), 170.1(b), 170.1(c), 170.1(d), 180.1(b) Timed Override 120.6(b)3, 140.9(b) Times Of Occupancy 120.1(d), 160.2(c)5 Title 24, Part 1 10-103(c), 110.1(c), 120.1(a), 120.5(b), 120.8, 130.4(c), 140.7(a), 160.2(a), 160.3(d), 160.5(e), 170.2(e) Title 24, Part 11 110.10(b), 120.8, 130.2(b), 160.5(c) Title 24, Part 9 110.10(b)1 Total Airflow (Compressed Air System) 120.6(e) Total Capacity (Electric Resistance Heating) 140.4(g) Total Heat of Rejection 120.6(a)4, 120.6(a)8, 120.6(b)4, 120.6(b)5 Tower Flow Turndown 140.4(h), 170.2(c)4F Transcritical CO2 Fan-Powered Gas Coolers Minimum Efficiency Requirements 120.6(a), Table 120.6-C, Table 120.6-E, 120.6(b)

b), 160.5(c) Title 24, Part 9 110.10(b)1 Total Airflow (Compressed Air System) 120.6(e) Total Capacity (Electric Resistance Heating) 140.4(g) Total Heat of Rejection 120.6(a)4, 120.6(a)8, 120.6(b)4, 120.6(b)5 Tower Flow Turndown 140.4(h), 170.2(c)4F Transcritical CO2 Fan-Powered Gas Coolers Minimum Efficiency Requirements 120.6(a), Table 120.6-C, Table 120.6-E, 120.6(b)

Transcritical CO2 Gas Coolers 120.6(a)8, 120.6(b)5 Transcritical CO2 Refrigeration 120.6(b)2, 120.6(b)5 Transfer Air 120.1(c)4, 140.4(o), 140.9(b), 140.9(c)1, 140.9(c)2, 160.2(c)8, 170.2(c)4M Transfer Switch 150.0(s) Transformer 110.11(a), 130.0(c)1, 130.0(c)2, 130.0(c)6, 140.8(b)3, 160.5(b)1, 170.2(e)7 Transportation Facilities 140.6(a)3 D, E, F Trim Compressor 120.6(e) Tubular Daylighting Device 110.6(a)4, Table 140.3-B Tubular Skylight 150.1(c)3 Tunnel 130.2(c), 130.3(a)2, 140.7(a), 140.7(d), Table 140.7-B, 170.2(e), Table 170.2-S Type B Vent 160.4(a)

U

U.S. Department of Energy 110.1(c), 110.2(f) U-Factor 110.6(a)2, Table 110.6-A, 110.6(b), 120.7(a)1, 120.7(a)2, 120.7(b)1, 120.7(b)2, 120.7(b)3, 120.7(b)4, 120.7(b)6, 120.7(c)1, 120.7(c)2, Table 140.3-A, 140.3(a)1, 140.3(a)2, 140.3(a)3, 140.3(a)4, 140.3(a)5, 140.3(a)6, 140.3(a)7, Table 140.3-B, Table 140.3-C, Table 140.3-D, Table 141.0-A, Table 141.0-B, Table 141.0-C, 141.0(b)2B, Table 141.0-E, 141.0(b)3, 150.0(a), 150.0(c), 150.0(d), 150.0(q), 150.1(c)1, 150.1(c)3, Table 150.1-A, 150.1(c)5, 150.1(c)8, 150.2(b)1A, 150.2(b)1B, 150.2(b)1N, 150.2(b)2, Table 150.2-D, 160.1(a), 160.1(b), 160.1(c), 160.1(e), 160.3(c)2H, 170.2(a)2, 170.2(a)4, 170.2(a)5, Table 170.2-A, 180.1(a)1, 180.2(a), 180.2(b)1, 2, 180.2(c) Ultrasonic Radiation 110.9(b)6 Ultrasonic Sensor 140.6(a)3, 170.2(e)2 Ultrasound Maximum Decibel Values

Table 110.9-A Ultraviolet Light 150.0(f) Ultraviolet Radiation 110.8(g)2 Unconditioned Agricultural building 140.6(a)3P Area 140.6(b)1, 170.2(e)3 Crawlspace 160.3(c)2, 180.2(b)2 Space 120.4(a), 120.4(g), 120.7(a), 120.7(b), 120.7(c), 140.3(a)3, 140.3(a)7, 140.3(c), 140.6(b)3, 141.0(b)1A, 141.0(b)1B, 141.0(b)1C, 150.0(a), 150.0(c), 150.0(d), 150.0(k)1, 150.0(m)1, 150.0(q), 150.1(c)5, 150.2(a)1A, 150.2(b)1D, 160.1(a), 160.1(b), 160.1(c), 160.1(e), 160.3(b)5, 160.3(c), 170.2(a)4, 170.2(e)3, 180.2(a), 180.2(b)2 Undershelf Lighting 150.0(k)2, 160.5(a) Underwriters Laboratories (UL) 110.2(f), 120.4(b)1, 2, 120.4(c), 130.0(c), 150.0(m)1, 150.0(m)2, 150.0(m)3, 160.3(b)5A-F, 160.3(c)2, 160.5(b)1 Unfiltered Incandescent Lamps 140.8(b)6 Unframed Wall 150.1(c)1 Uninterruptible Power Supply (UPS) 110.11(a), 130.5(d), Table 140.9-B, 140.9(a)4, 141.1, 160.6(d)3 Unit Controls (Space Conditioning System) 140.4(e)2, 160.3(d)1, 170.2(c)4C

320 2025 CALIFORNIA ENERGY CODE

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

INDEX

Water Absorption rate 110.8(g)1, 150.0(f) Boilers 140.4(k)8 Circulation 110.4(b), 140.4(k)5, 170.2(c)4I Cooling system 140.4(e)1 Economizer 140.4(e)1, 140.4(e)3, 140.9(a), 141.1(b), 170.2(c)4C Flow 110.2(a), 110.10(b), 140.4(k)6, 170.2(c) Heater 110.3(c)3, 110.3(c)5, 110.3(c)6, 110.8(d)2, 120.3(a), 140.5(a), 140.5(c), 150.0(n), 150.1(c), 150.2(a)1D, 150.2(b), 160.4(a), 160.4(d), 170.2(d), 180.1(a)3 Heating 110.3(b), 110.3(c)4, 120.8(c), 140.1(a), 140.1(b), 141.0(b)3, Table

150.1-A Heating system 110.3(a), 110.3(a)1, 110.3(c), Table 120.3-A, 120.8(c), 140.5, 141.0(a)1, 141.0(a)2, Table 141.0-E, 141.0(b)2, 141.0(b)2M, N, O, 150.0(n), 150.2(b)1H, Table 150.2-D, 160.4, 170.2(d), 180.2(b)1, 180.2(b)3 Loop 140.4(h), 140.4(k)7, 170.2(c)4I Penetration 110.8(h) Piping 120.3(b), 150.0(j), 160.3(c)1, 160.3(c), 160.4(f)2 Pump 140.4(h), 140.4(k), 170.2(c)4I Quality 110.2(e), 140.4(j) Resistant 120.4(b), 150.0(m)3, 160.3(b)5C Retardant 120.3(b), 120.4(f), 150.0(m)9, 160.3(b), 160.3(c), 160.4(f)2 Storage tank 110.3(c), 110.8(d)2 Vapor permeance 110.8(g)1, 150.0(f) Water-air temperature 110.8(d)2 Water-cooled air conditioner 140.4(k)5, 170.2(c)4 Water-cooled chiller 110.2(a), 120.5(a)16, 140.4(j), 140.4(k)6, 160.3(d)1 Water-cooled fluid cooler 120.6(b)1 Water-to-water heat exchanger 140.4(e)3 Water Chilling Packages – Minimum Efficiency Requirements Table 110.2-D WDMA 110.6(a)1 Weather 110.4(a), 110.4(b), 110.8(c), 120.3(b), 120.4(b), 120.4(f), 150.0(m), Table 150.0-D, Table 150.1-A, Table 160.2-A, 160.3(b)G-L, 160.3(c)1, 160.4(f)2, 170.0 Weatherstripping 110.6(b), 110.7 Weigh-In Charging 150.1(c)7, 170.2(c)3, 180.3(b) Weighted Average U-Factor 120.7(a), 120.7(b), 120.7(c), 141.0(b)1B, 141.0(b)1C, 150.0(a), 150.0(q), 150.1(c)8, 160.1(a), 160.1(b), 160.1(c), 160.1(e), 160.2(a), 160.2(b), 160.2(c), 160.2(e), 170.2(a)2, 3, 180.2(a) Wet Bulb 120.6(a)4, 140.4(b)3, 140.4(b)7, 140.4(e)1, 140.4(e)2, 140.4(h), 150.0(h), 160.3(b)2, 170.2(c)2 Wet Insulation System 110.8(h) Whiteboard 140.6(b)4

Unoccupied 120.1(d), 120.6(c), 120.6(f), 130.1(c)1, 130.1(c)6, 130.1(c)7, 130.2(c)2, 130.5(d), 140.9(a), 140.9(c), 160.2(c)5, 160.5(b)4, 160.5(c)2, 160.6(d)1 Unused Conductor 160.4 Unvented Attic 150.0(a), 150.0(g), 160.1(a) Unvented Crawlspace 150.0(d), 150.0(g), 160.1(c), 160.1(d) Urea Formaldehyde 110.8(b) Utility Company 130.5(a) Utility Energy Reduction Credits 140.1(b), 150.1(b)1, 170.1(b)

20.6(c), 120.6(f), 130.1(c)1, 130.1(c)6, 130.1(c)7, 130.2(c)2, 130.5(d), 140.9(a), 140.9(c), 160.2(c)5, 160.5(b)4, 160.5(c)2, 160.6(d)1 Unused Conductor 160.4 Unvented Attic 150.0(a), 150.0(g), 160.1(a) Unvented Crawlspace 150.0(d), 150.0(g), 160.1(c), 160.1(d) Urea Formaldehyde 110.8(b) Utility Company 130.5(a) Utility Energy Reduction Credits 140.1(b), 150.1(b)1, 170.1(b)

Values Of Soiling Resistance β by Product Type Table 110.8-B Vapor Barrier 150.0(m)10, 160.3(b)5 Vapor Retarder 110.8(b), 120.3(b), 120.3(c), 120.4(c), 120.4(e), 150.0(d), 150.0(g), 150.0(m)4, 150.0(m)6, 150.1(c)1, 160.1(d), 160.3(c)1, 160.4(f)2 Variable Air volume (VAV) 120.10(a), 140.4(c)2, 140.4(d), 140.9(c)4, 141.0(a)2, 141.0(b)3, 160.2(c)7, 170.2(c)4A, 170.2(c)4B, Table 170.2-B, Table 170.2-C, Table 180.2-D Capacity heat pump (VCHP) 150.1(b)3, 170.1(d)2 Exhaust 140.9(c)3 Flow control 140.4(k)6, 160.3(d), 170.2(c)4I Fluid flow 140.4(k)1, 170.2(c)4I Speed 120.6(a), 120.6(b)5 Speed compressor 120.6(a)3, 120.6(a)7, 150.0(m)13, 160.3(b)5L Speed control 140.4(k)6, 140.9(b) Speed drive 120.6(e), 120.9(b), 140.4(c)1, 140.4(k)6, 160.4(e), 170.2(c)4I Speed fan 120.6(a)4, 120.6(a)8, 120.6(b)1, 150.0(o), 160.2(b)2 Ventilation 150.0(o), 160.2(b)2A Vending Machine 140.6(a)3J, K, L Vent Damper 110.2(d), 110.2(f) Vented Attic 150.0(a), 150.0(g), 150.2(b)1J, 160.1(a), 160.1(d), 180.2(b)1 Vented Range Hood 150.0(o), Table 150.0-E, 150.0(v), 160.2(b)2B, Table 160.2-E Ventilated Attic 150.1(c)9, 170.2(c), 180.2(a)1 Ventilation 120.1, 140.4(b)4, 150.0(o), 160.3(d)2 Air 120.1(d), 120.2(e), 130.1(f), 140.4(e), 140.4(m), 140.9(b), 150.0(o), 150.1(b), 150.2(a)2C, 160.2(b)2B, 160.2(c), 160.5(b), 170.1(d), 170.2(c), 180.1(a), 180.3(a) And indoor air quality 120.1, 150.0(o), 160.2(b)2 Cooling 150.1(b)3, 150.1(c)12, 150.2(a), 170.1(d) Dampers 150.0(m)8, 160.3(b) Device 10-103(b), 120.1(d), 160.2(c)5 Doors 120.6(f) Fan 120.6(f), 150.2(b)1L, 180.2(b) Load 140.4(b)4, 170.2(c) Only 120.1(h)

), 130.1(f), 140.4(e), 140.4(m), 140.9(b), 150.0(o), 150.1(b), 150.2(a)2C, 160.2(b)2B, 160.2(c), 160.5(b), 170.1(d), 170.2(c), 180.1(a), 180.3(a) And indoor air quality 120.1, 150.0(o), 160.2(b)2 Cooling 150.1(b)3, 150.1(c)12, 150.2(a), 170.1(d) Dampers 150.0(m)8, 160.3(b) Device 10-103(b), 120.1(d), 160.2(c)5 Doors 120.6(f) Fan 120.6(f), 150.2(b)1L, 180.2(b) Load 140.4(b)4, 170.2(c) Only 120.1(h)

Rate 120.1(a), 120.1(d), 120.1(f), Table 120.1-A. 120.6(c), 140.4(b)4, 140.4(o), 140.9(b), 150.0(o), 160.2(a), 160.2(b), Table 160.2-B, 170.2(c)2, 170.2(c)4M Requirements 120.7(a), 120.8(b) Ventilation System 10-103(b), 10-103.2(b), 10.103.2(c), 120.1(c), 120.1(d), 120.5(a), 120.6(c), 140.9(b), 150.0(m)12, 150.0(o), Table 150.0-H, 150.1(c), Table 150.1-A, 150.2(b), 160.2(b), 160.2(d), Table 160.2-H, 160.3(b), 160.3(d), 170.2(c)4N, 180.1(a), 180.2(b) Balanced ventilation 120.1(c), 150.0(m), 150.0(o), 160.2(b)2A, 160.2(c)1, 170.2(c)3 Central fan integrated (CFI) ventilation system 150.0(o), 150.1(c)10, 160.2(b)2A, 160.2(b)2C, 160.3(d)2, 170.2(c)3, Table 170.2-K Energy recovery ventilation (ERV) 120.1(c) 150.0(m), 150.0(o), 160.2(b)2B, 160.2(c), 170.2(c)3 Exhaust ventilation 120.1(c)4, 120.1(d), 150.0(o), 160.2(b), 160.2(c)4 Heat recovery ventilation (HRV) 120.1(c), 150.0(o), 160.2(b)1, 160.2(b)2B, 160.3(d)2, 170.2(c)3 Vents 110.10(b)3, 120.4(a), 120.7(a)3, 120.8(h), 150.0(d), 150.0(m), 150.1(c)1, 160.1(a), 160.1(c), 160.3(b), 160.3(c), 180.2(b)2 Vertical Plane 110.10(b)3 Vertical Pump 110.3(c)4 Visual Inspection 140.3(a)9, 141.0(b)2D, 150.0(m)1, 150.0(o), 150.2(b)1D, 150.2(b)1E, 160.2(b)2, 160.3(b)5, 180.2(b)2 Vivarium Space 140.4(o) Voltage Drop 130.5(c), 141.0(b)2P, Q, R, 160.6(c), 180.2(b)4 Volt-ampere (VA) 110.9(c), 130.0(c)6, 160.5(b)1 Volumetric Capacity 150.0(m)7, 160.3(b)5

W

W/CFM 140.4(c), Table 140.4-A, 140.4(p), 150.0(m)13, 150.1(c)10, 160.2(b)2, 160.3(b)5L, 170.2(c)3, Table 170.2-B, Table 170.2-C, Table 170.2-K Walk in Closet 150.0(k)2, 160.5(a)2 Walk in Cooler 120.6(a), 120.6(b), 120.6(b)3, 140.6(a), 170.2(d) Walk In Freezer 120.6(a), 120.6(b)3, 140.6(a)3J, K, L Wall Assembly 120.7(b), 141.0(b)1B, 150.1(c)1, 160.1(b), 180.2(a)2 Box dimmer 110.9(b)3 Extension 180.1(a)1 Insulation 120.7(b), 141.0(b)1B, 150.0(c), 150.0(d), 150.1(c)1, Table 150.2-D, 160.1(b), 170.2(a)2, 180.2(a) Wall-mounted controls 150.0(k)2, 160.5(a)2 Warm-Air Furnaces and Combination Warm-Air Furnaces/Airconditioning Units, Warm-Air Duct Furnaces, and Unit Heaters Table 110.2-I Warm-Up Loads 140.4(b)12, 170.2(c)2

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INDEX

Whole Building 150.2(c), 180.4 Building air leakage 141.0(b)2P, Q, R House fan (WHF) 110.10(b)1A, 110.10(b)1B, 150.1(b)3, 150.1(c)12, 170.1(d)2 Dwelling Unit 150.0(o), 150.2(b)1M, 160.2(b)2A, 160.3(d)2, 180.1(a)2, 180.1(b), 180.2(b)5 Wholesale Showroom Areas 130.1(a), 140.6(d) Wildland-Urban Interface Fire Area 110.10(b)1A Wind 110.8(g)2, 120.3(b), 120.4(f), 120.7(a)C3, 150.0(m)9, 160.1(a)2, 160.3(b)5I, 160.3(c)1C, 2G, Table 160.4-A Wind Direction 140.9(c)3 Wind Speed 140.9(c)3 Wind Velocity 110.8(i)3 Winter Humidification 140.4(b)2, 170.2(c)2B Wiring 110.9(c), 130.0(c)1B, 130.0(c)6, 130.2(b), 141.0(b)2I, 141.0(b)2M, 150.0(k)1E, 150.0(t-v), 150.2(b)1J, 160.5(a)1E, 160.5(b)1F, 160.5(c)1, 160.9(a-c), 180.2(b)1B, 180.2(b)4B Wood Framed 120.7(a)2, 120.7(b)5, 120.7(b)7, 140.3(a)1, 141.0(b)1B, 150.0(c), 150.0(d), 150.2(a)1A, 150.2(a)1B, 160.1(a), 160.1(b), 160.1(c), Table 170.2-A, 180.1(a)1, 180.2(a)2C Framing 150.0(a), 150.1(c)1, 160.1(a)1, 170.2(a)5 Heater/stove 150.0(m)1, 160.3(b)5 Stove 110.2(c) Workstation 130.5(d)2, 140.6(a)2I, 160.6(d)2, 170.2(e)2B Written Confirmation 110.0(b)

Z

Zonal Control 150.0(m)13, 160.2(c)6, 160.3(a)2, 160.3(b)5 Zone Controls 120.2(e)3, 120.5(a)18, 140.4(d), 160.3(a)2D, 160.3(d)1R, 170.2(c)4B Zone Terminal Unit 120.5(a)12, 160.3(d)1L Zoning Damper 150.0(m)13, 150.1(c)7, 150.2(b)1F, 160.3(b)5L, 170.2(c)3, 180.2(b)2

322 2025 CALIFORNIA ENERGY CODE

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HISTORY NOTE APPENDIX

California Code of Regulations, Title 24, Part 6

HISTORY:

For prior code history, see the History Note Appendix to the California Energy Code, 2022 Triennial Edition, effective January 1, 2023.

  1. (CEC 01/24)—Repeal the 2022 adoption of the California Energy Code, CCR Title 24, Part 6 and adopt the 2025 California Energy Code . Approved by the California Building Standards Commission on December 17, 2024, filed with the Secretary of State on January 16, 2025, and effective on January 1, 2026.

on Jul 18, 2025 11:14 AM (CDT) THEREUNDER.

324 2025 CALIFORNIA ENERGY CODE

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Contents — 2025 California Energy Code (Title 24, Part 6)

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