Reference appendices, test procedures, product certification and labeling requirements

Grounded in the retrieved California Energy Code — click a citation to read the verbatim passage:

• § 25218.5 High relevance — show source text

  (b) Certification Requirements for Manufactured Systems, Equipment, Appliances and Building Components.

  1. Appliances that are within the scope of Section 1601 of the Appliance Efficiency Regulations shall only be installed if they have been certified to the Energy Commission by the manufacturer, pursuant to the provisions of Title 20 California Code of Regulations, Section 1606; or
  2. Systems, equipment, appliances and building components that are required by Part 6 or the Reference Appendices to be certified to the Energy Commission, which are not appliances that are within the scope of Section 1601 of the Appliance Efficiency Regulations, shall only be installed if they are certified by the manufacturer in a declaration, executed under penalty of perjury under the laws of the State of California, that: A. All the information provided pursuant to the certification is true, complete, accurate and in compliance with all applicable requirements of Part 6; and B. The equipment, product, or device was tested using the test procedure specified in Part 6 if applicable
  3. The certification status of any system, equipment, appliance or building component shall be confirmed only by reference to: A. A directory published or approved by the Commission; or B. A copy of the application for certification from the manufacturer and the letter of acceptance from the Commission staff; or C. Written confirmation from the publisher of a Commission-approved directory that a device has been certified; or D. A Commission-approved label on the device.

  Note: Part 6 does not require a builder, designer, owner, operator, or enforcing agency to test any certified device to determine its compliance with minimum specifications or efficiencies adopted by the Commission.

  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 , 2 5402.8, and 25943, Public Resources Code.

  SECTION 110.1—MANDATORY REQUIREMENTS FOR APPLIANCES

  (a) Any appliance regulated by the Appliance Efficiency Regulations, Title 20 California Code of Regulations, Section 1601 et seq., may be installed only if the appliance fully complies with Section 1608(a) of those regulations.

  (b) Except for those circumstances described in Section 110.1(c), conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards shall be verified utilizing data from either:

  1. The Energy Commission’s database of certified appliances maintained pursuant to Title 20 California Code of Regulations Section 1606, and which is available at: www.energy.ca.gov/appliances/database/ ; or
  2. An equivalent directory published by a federal agency; or
  3. An approved trade association directory as defined in Title 20 California Code of Regulations Section 1606(h).

  (c) Conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards shall be demonstrated either by default to the mandatory efficiency levels specified in Part 6 or by following procedures approved by the Commission pursuant to Section 10-109 of Title 24, Part 1, when:

  1. Data to verify conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards is not available pursuant to subdivision (b); or
  2. Field verification and diagnostic testing is required for compliance with Part 6 and the Energy Commission has not approved a field verification and diagnostic test protocol that is applicable to the appliance; or
• § 6.4. High relevance — show source text

  6. Outdoor lighting controls shall be tested in accordance with Reference Nonresidential Appendix NA7.8; and
  7. Lighting systems receiving the Institutional Tuning Power Adjustment Factor shall be tested in accordance with Reference Nonresidential Appendix NA7.6.4.
  8. Demand responsive controls required to control controlled receptacles shall be tested in accordance with Reference Nonresidential Appendix NA7.6.5.

  (b) Lighting control installation certificate requirements. To be recognized for compliance with Part 6 an installation certificate shall be submitted in accordance with Section 10-103(a) for any lighting control system, energy management control system, interlocked lighting system, lighting power adjustment factor, or additional wattage available for a videoconference studio, in accordance with the following requirements, as applicable:

  1. Certification that when a lighting control system is installed to comply with lighting control requirements in Part 6 it complies with the applicable requirements of Section 110.9; and complies with Reference Nonresidential Appendix NA7.7.1.

  2. Certification that when an energy management control system is installed to function as a lighting control required by Part 6 it functionally meets all applicable requirements for each application for which it is installed, in accordance with Sections 110.9, 130.0 through 130.5, 140.6 through 150.0, and 150.2; and complies with Reference Nonresidential Appendix NA7.7.2.

  3. Reserved.

  4. Reserved.

  5. Certification that interlocked lighting systems used to serve an approved area comply with Section 140.6(a)1; and comply with Reference Nonresidential Appendix NA7.7.4.

  6. Certification that lighting controls installed to earn a lighting power adjustment factor (PAF) comply with Section 140.6(a)2; and comply with Reference Nonresidential Appendix NA7.7.5.

  2025 CALIFORNIA ENERGY CODE 101

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

  NONRESIDENTIAL AND HOTEL/MOTEL OCCUPANCIES—MANDATORY REQUIREMENTS FOR LIGHTING SYSTEMS AND EQUIPMENT, AND ELECTRICAL POWER DISTRIBUTION SYSTEMS

  7. Certification that additional lighting wattage installed for a videoconference studio complies with Section 140.6(c)2Gvii; and complies with Reference Nonresidential Appendix NA7.7.6.

  (c) When certification is required by Title 24, Part 1, Section 10-103.1, the acceptance testing specified by Section 130.4 shall be performed by a certified lighting controls acceptance test technician (CLCATT). If the CLCATT is operating as an employee, the CLCATT shall be employed by a certified lighting controls acceptance test employer. The CLCATT shall disclose on the Certificate of Acceptance a valid CLCATT certification identification number issued by an approved acceptance test technician certification provider. The CLCATT shall complete all certificate of acceptance documentation in accordance with the applicable requirements in Section 10-103(a)4.

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

  SECTION 130.5—ELECTRICAL POWER DISTRIBUTION SYSTEMS

• § 100.1 High relevance — show source text

  36 2025 CALIFORNIA ENERGY CODE

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

  ALL OCCUPANCIES—GENERAL PROVISIONS

  FIGURE 100.1-A CALIFORNIA CLIMATE ZONES

  Climate Zones for Residential and Nonresidential Occupancies

  2025 CALIFORNIA ENERGY CODE 37

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

  38 2025 CALIFORNIA ENERGY CODE

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

  2 ALL OCCUPANCIES—MANDATORY REQUIREMENTS FOR THE

  MANUFACTURE, CONSTRUCTION AND INSTALLATION OF SYSTEMS, EQUIPMENT AND BUILDING COMPONENTS

  SECTION 110.0—SYSTEMS AND EQUIPMENT—GENERAL

  Sections 110.1 through 110.12 specify requirements for manufacturing, construction and installation of certain systems, equipment, appliances and building components that are installed in buildings within the scope of Section 100.0(a).

  Note: The requirements of Sections 110.0 through 110.12 apply to newly constructed buildings. Sections 141.0 and 150.2 specify which requirements of Sections 110.1 through 110.12 also apply to additions and alterations to existing buildings.

  (a) General Requirements. Systems, equipment, appliances and building components shall only be installed in a building within the scope of Section 100.0(a) regulated by Part 6 only if:

  1. The manufacturer has certified that the system, equipment, appliances or building component complies with the applicable manufacturing provisions of Sections 110.1 through 110.12; and
  2. The system, equipment, appliance or building component complies with all applicable installation provisions of Sections 110.1 through 110.12.

  (b) Certification Requirements for Manufactured Systems, Equipment, Appliances and Building Components.

  1. Appliances that are within the scope of Section 1601 of the Appliance Efficiency Regulations shall only be installed if they have been certified to the Energy Commission by the manufacturer, pursuant to the provisions of Title 20 California Code of Regulations, Section 1606; or
  2. Systems, equipment, appliances and building components that are required by Part 6 or the Reference Appendices to be certified to the Energy Commission, which are not appliances that are within the scope of Section 1601 of the Appliance Efficiency Regulations, shall only be installed if they are certified by the manufacturer in a declaration, executed under penalty of perjury under the laws of the State of California, that: A. All the information provided pursuant to the certification is true, complete, accurate and in compliance with all applicable requirements of Part 6; and B. The equipment, product, or device was tested using the test procedure specified in Part 6 if applicable
  3. The certification status of any system, equipment, appliance or building component shall be confirmed only by reference to: A. A directory published or approved by the Commission; or B. A copy of the application for certification from the manufacturer and the letter of acceptance from the Commission staff; or C. Written confirmation from the publisher of a Commission-approved directory that a device has been certified; or D. A Commission-approved label on the device.

  Note: Part 6 does not require a builder, designer, owner, operator, or enforcing agency to test any certified device to determine its compliance with minimum specifications or efficiencies adopted by the Commission.

• § 205.3.7.1 High relevance — show source text

  Horizontal insulation from the outside
  edge of the vertical insulation extending 4 feet toward the center of the
  slab in a direction normal to the outside of the building in plan view.|1 – 15|5| |Between heated slab
  and outside founda-
  tion wall|Vertical and
  Horizontal|Vertical insulation from top of slab at inside edge of outside wall down to
  the top of the horizontal insulation. Horizontal insulation from the outside
  edge of the vertical insulation extending 4 feet toward the center of the
  slab in a direction normal to the outside of the building in plan view.|16|10 vertical
  and 7
  horizontal|

  A6.205.3.7.1 Insulation materials in ground contact must:

  A6.205.3.7.1.1 Comply with the certification requirements of Section A6.205.3.1; and

  A6.205.3.7.1.2 Have a water absorption rate for the insulation material alone without facings that is no greater than 0.3 percent when tested in accordance with Test Method A – 24 Hour-Immersion of ASTM C272.

  A6.205.3.7.2 Insulation installation must:

  A6.205.3.7.2.1 Cover the insulation with a solid guard that protects against damage from ultraviolet radiation, moisture, landscaping operation, equipment maintenance and wind; and

  A6.205.3.7.2.2 Include a rigid plate, which penetrates the slab and blocks the insulation from acting as a conduit for insects from the ground to the structure above the foundation.

  A6.205.3.8 Wet insulation systems. When insulation is installed on roofs above the roofing membrane or layer used to seal the roof from water penetration, the effective R-value of the insulation shall be as specified in Reference Joint Appendix JA4 of the California Energy Commission 2008 Building Energy Efficiency Standards for Residential and Nonresidential Buildings.

  A6.205.3.9 Roofing products solar reflectance and thermal emittance.

  A6.205.3.9.1 In order to meet the requirements of Sections 141, 142, 143(a)1, 149(b)1B, 151(f)12, 152(b)1H or 152(b)2 of Title 24, Part 6, a roofing product’s thermal emittance and 3-year aged solar reflectance shall be certified and labeled according to the requirements of Section 10-113 of Title 24, Part 1.

  Exception: Roofing products that are not certified according to Section 10-113 of Title 24, Part 1 shall assume the following default aged reflectance/emittance values:

  A6.205.3.9.1.1 For asphalt shingles, 0.08/0.75

  A6.205.3.9.1.2 For all other roofing products, 0.10/ 0.75

• § 0.69 High relevance — show source text

  A.| |Metal, thermal break|Fixed|Clear|N.A.|0.69|N.A.| |Metal, thermal break|Operable|Tinted|N.A.|0.53|N.A.| |Metal, thermal break|Fixed|Tinted|N.A.|0.57|N.A.| |Nonmetal|Operable|Clear|0.74|0.65|0.70| |Nonmetal|Fixed|Clear|0.76|0.67|0.67| |Nonmetal|Operable|Tinted|0.60|0.53|N.A.| |Nonmetal|Fixed|Tinted|0.63|0.55|N.A.| |N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|N.A. = Not applicable.
  1. Translucent or transparent panels shall use glass block values.|

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A6.1-5

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

  APPENDIX A6.1 — VOLUNTARY STANDARDS FOR HEALTH FACILITIES [OSHPD 1, 2 & 4]

  A6.205.1.1.4 Labeling. Fenestration products shall:

  1. Have a temporary label (or label certificate for site- built fenestration) meeting the requirements of Section 10111(a)1 of Title 24, Part 1 not to be removed before inspection by the enforcement agency, listing the certified U factor and SHGC and certifying that the air leakage requirements of Section A6.205.1.1.1 are met for each product line; and
  2. Have a permanent label (or label certificate for site-built fenestration) meeting the requirements of Section 10111(a)2 of Title 24, Part 1 if the product is rated using NFRC procedures.

  A6.205.1.1.5 Fenestration acceptance requirements. Before an occupancy permit is granted, site-built fenestration products in other than low-rise residential buildings shall be certified as meeting the Acceptance Requirements for Code Compliance, as specified by the Reference Nonresidential Appendix NA7 of the California Energy Commission 2008 Building Energy Efficiency Standards for Residential and Nonresidential Buildings to ensure that site-built fenestration meet Standards requirements, including a matching label certificate for each product installed and be readily accessible at the project location. A Certificate of Acceptance shall be submitted to the enforcement agency that certifies that the fenestration product meets the acceptance requirements.

  Exception: Fenestration products removed and reinstalled as part of a building alteration or addition.

• § 25921.1 High relevance — show source text

  5. A declaration that the insulating material complies with the requirements of this article.
  6. The wording of the certification seal, if such seal consists of a statement pursuant to Section 1557 (b) (2) of this article.

  (c) Every certification statement shall be dated and signed by the manufacturer attesting to its truth and accuracy. Where the manufacturer is either a corporation or a business association, the certification statement shall be dated, signed and attested to by a responsible official thereof.

  (d) Within 45 days after receipt of a certification statement, the Executive Director shall forward, to the manufacturer, an acknowledgment that the statement has been received and that it is complete and accurate on its face.

  (e) Certification of the insulation material shall be deemed to occur upon forwarding of the acknowledgement by the Executive Director. If acknowledgment is not forwarded in a timely manner, certification shall be deemed to occur on the 45th day after receipt of the certification statement.

  (f) The statement of test results required in the certification may be based upon tests conducted prior to the adoptive date of this article if: (1) the same test was conducted within two years of the date of adoption, (2) the laboratory at which the tests were

  98 2025 CALIFORNIA REFERENCED STANDARDS CODE

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

  STANDARDS FOR INSULATING MATERIAL

  conducted has been approved for those tests as of the date of the certification statement, and (3) the laboratory certifies that the test and product are the same as the test and product referred to in the statement of test results.

  Authority: Section 25218(e), Public Resources Code.

  Reference: Sections 25921 and 25921.1, Public Resources Code.

  HISTORY:

  1. Amendment of subsections (a), (b) (4), (b) (6) and (f) filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).

  QUALITY ASSURANCE (RESERVED)

  Sec. 12-13-1556.

  Authority: Section 25218 (e), Public Resources Code.

  Reference: Section 25921.1, Public Resources Code.

  HISTORY:

  1. Repealer filed 8-10-81; designated effective 9-22-81 (Register 81, No. 33).

  IDENTIFICATION

  Sec. 12-13-1557.

  (a) Except as specified in subsection (b), Item 3, of this section, no insulation shall be sold in California on or after September 22, 1981, unless the insulating material, container, bundle or similar packaging material bears a visible Commission approved statement certifying that a representative sample of the insulation material has been tested and approved by an approved laboratory and complies with the requirements of this article.

  (b) The Commission-approved statement shall consist of either:

  1. A design or statement approved by the Executive Director, or

  2. An identification of the manufacturer and any statement that the material meets the quality standards of the State of California.

  3. A statement that the material meets the quality standards of the State of California included in the bill of lading shall meet the requirements of this section only if the product is being shipped in bulk, or the container or product is not otherwise labeled by the manufacturer and the product is being sold to its ultimate user.

• § 73.4 High relevance — show source text

  All foam insulation materials using materials other than air or pentane as an expanding agent shall either separately condition samples at 73.4° ± 3.6°F and a relative humidity of 50 ± 5 percent, and at 140°F (60°C) dry heat and test at 30-, 60- and 90-day intervals or shall test samples certified by an approved testing laboratory to have been aged while exposed to free air in a well ventilated room for at least two years at 70° ± 10°F, provided, however, that until 2 [1] / 2 years after the adoption of these quality standards by the Commission, test samples may be aged for six months for certification of the material. Notwithstanding any other provision of this article, this thermal performance standard shall not take effect until 250 days after adoption. If the certification statement submitted pursuant to Section 1555 of these regulations does not include test results for thermal performance, the manufacturer shall submit a new certification statement which includes such test results prior to 250 days after adoption. If the latest certification statement is based on the six-month aging test, a new statement, based upon the two-year aging test or the accelerated aging test shall be submitted by 2 [1] / 2 years after the adoption date. 3. Dimensional stability. All foamed polyurethane and polyisocyanurate insulation materials which are factory formed shall be tested for dimensional stability in accordance with Procedures E and G of ASTM D2126-75 with the following exceptions: (a) sample size shall be 12 inches by 12 inches (305 mm by 305 mm) ± 1 inch (25 mm) and (b) samples shall be tested as manufactured with or without facers.

  The average percent change in length or width shall not exceed ± 2 percent in 24 hours or ± 4 percent in 7 days. The average percent change in thickness shall not exceed ± 10 percent in 7 days. Samples shall be regarded as failing if: (1) delamination area of “faced” samples exceeds 25 percent or (2) warping or cupping exceeds [1] / 4 inch (6 mm) when checked by a straight edge across raised diagonal corners.

  4. Resistance to combustion.

  A. The material shall be tested to meet the requirements of Sections 2602.1-2602.6 of the 1994 Uniform Building Code, with the additional provision that the surface-burning characteristics shall be determined according to ANSI/ASTM E84-79 and shall not exceed the following values:

  Flame spread . . . . . . . . . . . . . . . . . . . . . 75 Smoke developed . . . . . . . . . . . . . . . . 450 B. This subsection shall not apply to any product recognized by the International Conference of Building Officials, as of the date of adoption of this article, as complying with Sections 2602.1-2602.6 of the 1994 Uniform Building Code based solely upon diversified testing. The manufacturer of any product which is recognized by the International Conference of Building Officials, subsequent to the date of approval of these regulations, as complying with Sections 2602.12602.6 of the 1994 Uniform Building Code based solely upon diversified testing, may petition the Commission for an exemption of that product from the provisions of this subsection. 5. Identification. Foam containers shall state the conditions of proper storage.

• § 6.4. High relevance — show source text

  F. Outdoor lighting controls shall be tested in accordance with Reference Nonresidential Appendix NA7.8; and G. Lighting systems receiving the Institutional Tuning Power Adjustment Factor shall be tested in accordance with Reference Nonresidential Appendix NA7.6.4. H. Demand responsive controls required to control controlled receptacles shall be tested in accordance with Reference Nonresidential Appendix NA7.6.5. 2. Lighting control installation certificate requirements. To be recognized for compliance with Part 6, an Installation Certificate shall be submitted in accordance with Section 10-103(a) for any lighting control system, energy management control system, interlocked lighting system, lighting power adjustment factor, or additional wattage available for a videoconference studio, in accordance with the following requirements, as applicable: A. Certification that when a lighting control system is installed to comply with lighting control requirements in Part 6, it complies with the applicable requirements of Section 110.9 and complies with Reference Nonresidential Appendix NA7.7.1.

  B. Certification that when an energy management control system is installed to function as a lighting control required by Part 6, it functionally meets all applicable requirements for each application for which it is installed, in accordance with Sections 110.9, 160, 170 and 180, and complies with Reference Nonresidential Appendix NA7.7.2. C. Certification that interlocked lighting systems used to serve an approved area comply with Section 170.2(e)2A and comply with Reference Nonresidential Appendix NA7.7.4. D. Certification that lighting controls installed to earn a lighting power adjustment factor (PAF) comply with Section 170.2(e)2B and comply with Reference Nonresidential Appendix NA7.7.5.

  E. Reserved.

  3. When certification is required by Title 24, Part 1, Section 10-103.1, the acceptance testing specified by Section 160.5(e) shall be performed by a Certified Lighting Controls Acceptance Test Technician (CLCATT). If the CLCATT is operating as an employee, the CLCATT shall be employed by a Certified Lighting Controls Acceptance Test Employer. The CLCATT shall disclose on the Certificate of Acceptance a valid CLCATT certification identification number issued by an approved Acceptance Test Technician Certification Provider. The CLCATT shall complete all Certificate of Acceptance documentation in accordance with the applicable requirements in Section 10-103(a)4.

  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 .

  SECTION 160.6—MANDATORY REQUIREMENTS FOR ELECTRIC POWER DISTRIBUTION SYSTEMS

  Multifamily buildings shall comply with the applicable requirements of Sections 160.6(a) through 160.6(e).

  (a) Service electrical metering. Each electrical service or feeder that provides power to the common use areas (interior and exterior) shall have a permanently installed metering system that measures electrical energy use in accordance with Table 160.6-A.

  Exception to Section 160.6(a): Service or feeder for which the utility company provides a metering system for the multifamily building that indicates instantaneous kW demand and kWh for a utility-defined period.

  232 2025 CALIFORNIA ENERGY CODE

• § 100.0 High relevance — show source text

  Exception 1 to Section 100.0(f): If one occupancy constitutes at least 80 percent of the conditioned floor area of the building, the entire building envelope, HVAC and water heating may be designed to comply with the provisions of Part 6 applicable to that occupancy, provided that the applicable lighting requirements in Sections 140.6 through 140.8, 150.0(k), or 160.5 and 170.2(e) are met for each occupancy and space, and mandatory measures in Sections 110.0 through 130.5, 150.0, and 160.0 through 160.9 are met for each occupancy and space.

  Exception 2 to Section 100.0(f): If one occupancy constitutes at least 90 percent of the combined conditioned plus unconditioned floor area of the building, the entire building indoor lighting may be designed to comply with only the lighting provisions of Part 6 applicable to that occupancy.

  (g) Administrative requirements. Administrative requirements relating to permit requirements, enforcement by the Commission, locally adopted energy standards, interpretations, claims of exemption, approved calculation methods, rights of appeal, and certification and labeling requirements of fenestration products and roofing products are specified in California Code of Regulations, Title 24, Part 1, Sections 10-101 to 10-114.

  (h) Certification requirements for manufactured equipment, products and devices. Part 6 limits the installation of manufactured equipment, products and devices to those that have been certified as specified by Sections 110.0 and 110.1. Requirements for manufactured equipment, products, and devices, when not specified in Title 24 Part 6, are specified in California Code of Regulations, Title 20, Sections 1601–1609.

  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 .

  SECTION 100.1 — DEFINITIONS AND RULES OF CONSTRUCTION

  (a) Rules of Construction.

  1. Where the context requires, the singular includes the plural and the plural includes the singular.
  2. The use of “and” in a conjunctive provision means that all elements in the provision must be complied with or must exist to make the provision applicable. Where compliance with one or more elements suffices, or where existence of one or more elements makes the provision applicable, “or” (rather than “and/or”) is used.
  3. “Shall” is mandatory and “may” is permissive.

  (b) Definitions. Terms, phrases, words and their derivatives in Part 6 shall be defined as specified in Section 100.1. Terms, phrases, words and their derivatives not found in Section 100.1 shall be defined as specified in the “Definitions” chapters of Title 24, Parts 1 through 5 of the California Code of Regulations. Where terms, phrases, words and their derivatives are not defined in any of the references above, they shall be defined as specified in Webster’s Third New International Dictionary of the English Language, Unabridged (1961 edition, through the 2002 addenda), unless the context requires otherwise.

• § 13.3 High relevance — show source text

  CERTIFIED TO THE ENERGY COMMISSION means, when used in association with appliances, certified under Section 1606 of Title 20 of the California Code of Regulations; and otherwise means certified by the manufacturer in a declaration, executed under penalty of perjury under the laws of the State of California, that all the information provided pursuant to the certification is true, complete, accurate and in compliance with all applicable provisions of Part 6; and if applicable that the equipment, product or device was tested under the applicable test method specified in Part 6.

  CERTIFYING ORGANIZATION is an independent organization recognized by the Commission to certify manufactured devices for performance values in accordance with procedures adopted by the Commission.

  CIE 13.3 is the International Commission on Illumination (Commission Internationale de l’Eclairage) document titled “Method of Measuring and Specifying Colour Rendering Properties of Light Sources,” 1995 (CIE 13.3-1995).

  CIE 15 is the International Commission on Illumination (Commission Internationale de l’Eclairage) document titled “Technical Report: Colorimetry,” 2018 (CIE 15:2018).

  CIRCULATING FAN means a fan that is not a ceiling fan, but that is used to move air within a space that has no provision for connection to ducting or separation of the fan inlet from its outlet, and designed to be used for the general circulation of air.

  CLIMATE ZONES are the 16 geographic areas of California for which the commission has established typical weather data, prescriptive packages and energy budgets. Climate zones are defined by ZIP code and listed in Reference Joint Appendix JA2. FIGURE 100.1-A is an approximate map of the 16 climate zones.

  CLOSED-CIRCUIT COOLING TOWER is a cooling tower that utilizes indirect contact between a heated fluid, typically water or glycol, and the cooling atmosphere to transfer the source heat load through sensible heat, latent heat and mass transfer indirectly to the air, essentially combining a heat exchanger and cooling tower into an integrated and relatively compact device.

  CODES, CALIFORNIA HISTORICAL BUILDING CODE is the California Historical Building Code, California Code of Regulations, Title 24, Part 8 and Part 2 (Chapter 34).

  CODES, CBC is the 2025 California Building Code.

  CODES, CEC is the 2025 California Electrical Code.

  CODES, CFC is the 2025 California Fire Code.

  CODES, CMC is the 2025 California Mechanical Code.

  CODES, CPC is the 2025 California Plumbing Code.

  COEFFICIENT OF PERFORMANCE (COP), COOLING is the ratio of the rate of net heat removal to the rate of total energy input, calculated under designated operating conditions and expressed in consistent units, as determined using the applicable test method in the Appliance Efficiency Regulations or Section 110.2.

  COEFFICIENT OF PERFORMANCE (COP), HEATING is the ratio of the rate of net heat output to the rate of total energy input, calculated under designated operating conditions and expressed in consistent units, as determined using the applicable test method in the Appliance Efficiency Regulations or Section 110.2.

  COEFFICIENT OF PERFORMANCE (COP), HEAT PUMP is the ratio of the rate of useful heat output delivered by the complete heat pump unit (exclusive of supplementary heating) to the corresponding rate of energy input, in consistent units and as determined using the applicable test method in Appliance Efficiency Regulations or Section 110.2.

• § 110.1 High relevance — show source text

  SECTION 110.1—MANDATORY REQUIREMENTS FOR APPLIANCES

  (a) Any appliance regulated by the Appliance Efficiency Regulations, Title 20 California Code of Regulations, Section 1601 et seq., may be installed only if the appliance fully complies with Section 1608(a) of those regulations.

  (b) Except for those circumstances described in Section 110.1(c), conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards shall be verified utilizing data from either:

  1. The Energy Commission’s database of certified appliances maintained pursuant to Title 20 California Code of Regulations Section 1606, and which is available at: www.energy.ca.gov/appliances/database/ ; or
  2. An equivalent directory published by a federal agency; or
  3. An approved trade association directory as defined in Title 20 California Code of Regulations Section 1606(h).

  (c) Conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards shall be demonstrated either by default to the mandatory efficiency levels specified in Part 6 or by following procedures approved by the Commission pursuant to Section 10-109 of Title 24, Part 1, when:

  1. Data to verify conformance with efficiency levels required to comply with Part 6 mandatory, prescriptive and performance standards is not available pursuant to subdivision (b); or
  2. Field verification and diagnostic testing is required for compliance with Part 6 and the Energy Commission has not approved a field verification and diagnostic test protocol that is applicable to the appliance; or
  3. The appliance meets the requirements of Section 110.1(a) but has been site-modified in a way that affects its performance; or

  2025 CALIFORNIA ENERGY CODE 39

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

  ALL OCCUPANCIES—MANDATORY REQUIREMENTS FOR THE MANUFACTURE, CONSTRUCTION AND INSTALLATION OF SYSTEMS, EQUIPMENT AND BUILDING COMPONENTS

  4. The U.S. Department of Energy has approved a waiver from federal test procedures, pursuant to 10 CFR Section 430.27 or Section 431.401 and that waiver fails to specify how the efficiency of the system shall be determined.

  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 , 2 5402.8, and 25943, Public Resources Code.

  SECTION 110.2—MANDATORY REQUIREMENTS FOR SPACE-CONDITIONING EQUIPMENT

  Certification by manufacturers. Any space-conditioning equipment listed in this section may be installed only if the manufacturer has certified to the Commission that the equipment complies with all the applicable requirements of this section.

  (a) Efficiency. Equipment shall meet the applicable efficiency requirements in Tables 110.2-A through 110.2-L, subject to the following:

  1. If more than one efficiency standard is listed for any equipment in Tables 110.2-A through 110.2-L, the equipment shall meet all the applicable standards that are listed; and
  2. If more than one test method is listed in Tables 110.2-A through 110.2-L, the equipment shall comply with the applicable efficiency standard when tested with each listed test method; and
• § 504.8.3 High relevance — show source text

  NONRESIDENTIAL OCCUPANCIES APPLICATION CHECKLIST [OSHPD 1, 2 and 4] — continued

  FEATURE OR MEASURE	COMPLIANCE LEVELS	Col3	Col4	NOTES
  FEATURE OR MEASURE	Mandatory CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen	VOLUNTARY CALGreen
  FEATURE OR MEASURE	Mandatory CALGreen	Tier 1	Tier 2	Tier 2
  **A6.504.8.3 Paints and coatings.**Architectural paints and coatings shall comply with Table A6.504.8.3. A6.504.8.3.2 Verification. **A6.504.8.4 Carpet systems.**All carpet installed in the building interior shall meet the testing and product requirements of one of the standards listed in Section A6.504.8.3. **A6.504.8.4.1 Carpet cushion.**All carpet cushion installed in the building interior shall meet the requirements of the Carpet and Rug Institute Green Label program. **A6.504.8.4.2 Carpet adhesive.**All carpet adhesive shall meet the requirements of Table A6.504.8.1. **A6.504.8.5 Composite wood products.**Hardwood plywood, particleboard and medium density fiberboard composite wood products used on the interior or exterior of the building shall meet the requirements for formaldehyde as specified in Table A6.504.8. **A6.504.8.5.2 Documentation.**Verification of compliance with this section shall be provided as requested by the enforcing agency. Documentation shall include at least one of the following. 1. Product certifications and specifications 2. Chain of custody certifications 3. Other methods acceptable to the enforcing agency		      	      
  **A6.504.4.9 Acoustical ceilings and wall panels.**Comply with Chapter 8 in Title 24, Part 2 and with the VOC-emission limits defined in the CHPS Low-emitting Materials List.			
  **A6.504.5 Hazardous particulates and chemical pollutants.**Minimize and control pollutant entry into buildings and cross-contamination of regularly occupied areas. **A6.504.5.1 Entryway systems.**Install permanent entryway systems measuring at least six feet in the primary direction of travel to capture dirt and particulates at entryways directly connected to the outdoors as listed in Items 1 through 3 in Section A6.504.5.1.		 	 
  **A6.504.9 Environmental tobacco smoke (ETS) control.