How does CalGreen address energy efficiency scope and purpose?

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

• CBC § 101.1 High relevance — show source text

  1 ADMINISTRATION

  SECTION 101—GENERAL

  101.1 Title. These regulations shall be known as the California Green Building Standards Code, may be cited as such, and will be referred to herein as “this code.” It is intended that it shall also be known as the CALGreen Code. The California Green Building Stan- dards Code is Part 11 of thirteen parts of the official compilation and publication of the adoption, amendment and repeal of building regulations to the California Code of Regulations, Title 24, also referred to as the California Building Standards Code.

  101.2 Purpose. The purpose of this code is to improve public health, safety and general welfare by enhancing the design and construction of buildings through the use of building concepts having a reduced negative impact or positive environmental impact and encouraging sustainable construction practices in the following categories:

  1. Planning and design.
  2. Energy efficiency.
  3. Water efficiency and conservation.
  4. Material conservation and resource efficiency.
  5. Environmental quality.

  101.3 Scope. The provisions of this code shall apply to the planning, design, operation, construction, use and occupancy of every newly constructed building or structure, unless otherwise indicated in this code, throughout the State of California.

  It is not the intent that this code substitute or be identified as meeting the certification requirements of any green building

  program.

  101.3.1 State-regulated buildings, structures and applications. Provisions of this code shall apply to the following buildings, structures and applications regulated by state agencies as specified in Sections 103 through 106, except where modified by local ordinance pursuant to Section 101.7. When adopted by a state agency, the provisions of this code shall be enforced by the appropriate enforcing agency, but only to the extent of authority granted to such agency by statute.

  1. State-owned buildings, including buildings constructed by the Trustees of the California State University, and to the extent permitted by California law, buildings designed and constructed by the Regents of the University of California and regulated by the Building Standards Commission. See Section 103 for additional scoping provisions.

  2. Energy efficiency standards regulated by the California Energy Commission.

  3. All residential buildings constructed throughout the State of California, including but not limited to, hotels, motels, lodging houses, apartments, dwellings, dormitories, condominiums, shelters for homeless persons, congregate residences, employee housing, factory-built housing and other types of dwellings containing sleeping accommodations with or without common toilets or cooking facilities regulated by the Department of Housing and Community Development. See Section 104 for additional scoping provisions.

  4. Public elementary and secondary schools, and community college buildings regulated by the Division of the State Architect. See Section 105 for additional scoping provisions.

  5. Qualified historical buildings and structures and their associated sites regulated by the State Historical Building Safety Board within the Division of the State Architect.

  6. General acute care hospitals, acute psychiatric hospitals, skilled nursing and/or intermediate care facilities, clinics licensed by the Department of Public Health and correctional treatment centers regulated by the Office of Statewide Health Planning and Development. See Section 106 for additional scoping provisions.

  7. Graywater systems regulated by the Department of Water Resources and the Department of Housing and Community Development.

  8. Green building standards for occupancies where no state agency has authority or expertise, adopted by the California Building Standards Commission. See Section 103 for additional scoping provisions.

• CBC § 1-1 High relevance — show source text

  agency|BSC|BSC-
  CG|SFM|1|2|1/AC|AC|SS|1|1R|2|3|4|5|5|5|5|5|5|5|5|5| |Adopt entire CA chapter||||||||||||||||||||||| |Adopt entire chapter as
  amended (amended
  sections listed below)||||||||||||||||||||||| |Adopt only those sections
  that are listed below||X||X||||X|X||X||X|||||||||| |Chapter/Section||||||||||||||||||||||| |101||X||X||||X|X||X||X|||||||||| |102||X||X||||X|X||X||X|||||||||| |103||X||||||||||||||||||||| |104||||X||||||||||||||||||| |105||||||||X||||||||||||||| |106|||||||||X||X||X||||||||||

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE 1-1

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  1-2 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  1 ADMINISTRATION

  SECTION 101—GENERAL

  101.1 Title. These regulations shall be known as the California Green Building Standards Code, may be cited as such, and will be referred to herein as “this code.” It is intended that it shall also be known as the CALGreen Code. The California Green Building Stan- dards Code is Part 11 of thirteen parts of the official compilation and publication of the adoption, amendment and repeal of building regulations to the California Code of Regulations, Title 24, also referred to as the California Building Standards Code.

  101.2 Purpose. The purpose of this code is to improve public health, safety and general welfare by enhancing the design and construction of buildings through the use of building concepts having a reduced negative impact or positive environmental impact and encouraging sustainable construction practices in the following categories:

  1. Planning and design.
  2. Energy efficiency.
  3. Water efficiency and conservation.
  4. Material conservation and resource efficiency.
  5. Environmental quality.

  101.3 Scope. The provisions of this code shall apply to the planning, design, operation, construction, use and occupancy of every newly constructed building or structure, unless otherwise indicated in this code, throughout the State of California.

  It is not the intent that this code substitute or be identified as meeting the certification requirements of any green building

  program.

  101.3.1 State-regulated buildings, structures and applications. Provisions of this code shall apply to the following buildings, structures and applications regulated by state agencies as specified in Sections 103 through 106, except where modified by local ordinance pursuant to Section 101.7. When adopted by a state agency, the provisions of this code shall be enforced by the appropriate enforcing agency, but only to the extent of authority granted to such agency by statute. 1.

• CBC § 203.2 High relevance — show source text

  SECTION A6.203—PERFORMANCE APPROACH

  A6.203.2 Energy performance. It is the intent of this code to encourage green buildings to achieve exemplary performance in the area of energy efficiency.

  A6.203.2.1 CALGreen Tier 1. [OSHPD 1] To achieve CALGreen [Tier 1, buildings must comply with the latest edition of “Savings By](http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf) Design, Healthcare Modeling Procedures” found online at http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf.

  A6.203.2.2 CALGreen Tier 2. [OSHPD 1] To achieve CALGreen Tier 2, buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by a minimum of 15 percent.

  SECTION A6.204—PRESCRIPTIVE APPROACH

  A6.204.1 ENERGY STAR equipment and appliances. All equipment and appliances provided by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment or appliance.

  A6.204.4 Commissioning. [OSHPD 1 & 4] Building commissioning shall be included in the design and construction processes of the building project to verify that the building’s energy related systems are installed, calibrated and perform according to the owner’s project requirements, basis of design and construction documents.

  The owner and designer shall designate an individual as the Commissioning Authority (CxA) to lead, review and oversee the completion of the commissioning process activities. The owner shall document the Owner’s Project Requirements (OPR). The design team shall develop the Basis of Design (BOD). The CxA shall review these documents for clarity and completeness. The owner and design team shall be responsible for updates to their respective documents, develop and incorporate commissioning requirements into the construction documents and develop and implement a commissioning plan. The CxA shall verify the installation and performance of the systems to be commissioned, verify that training and operation and maintenance documentation have been provided to the owner’s operations staff and complete a commissioning report.

  Commissioning process activities shall be completed for the following energy-related systems, at a minimum:

  1. Heating, ventilating, air conditioning and refrigeration (HVAC&R) systems (mechanical and passive) and associated controls.
  2. Lighting and daylighting controls.
  3. Domestic hot water systems.
  4. Renewable energy systems (wind, solar, etc.).
  5. Building envelope systems.

  A6.204.4.1 Owner’s Project Requirements (OPR). The expectations and requirements of the building shall be documented by the owner and the designer before the design phase of the project begins. This shall be reviewed by the CxA. At a minimum, this documentation shall include the following:

  1. Environmental and sustainability goals.
  2. Energy efficiency goals.
  3. Indoor environmental quality requirements.

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A6.1-3

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

  4. Equipment and systems expectations.
  5. Building occupant and O&M personnel expectations.
• CBC § 409.4 High relevance — show source text

  Solar access is the ratio of solar insolation including shade to the
  solar insolation without shade. Shading from obstructions located on the roof or any other part of the building shall not be included in the determination of annual solar access.
  3.
  Life cycle assessment compliant with Section A5.409.4 in this code may be substituted for prescriptive measures from Division A5.4.|

  A5.601.1 Scope. The measures contained in this appendix are not mandatory unless adopted by local government as specified in Section 101.7. The provisions of this section outline means of achieving enhanced construction or reach levels by incorporating addi

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-41

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

  APPENDIX A5 — NONRESIDENTIAL VOLUNTARY MEASURES

  tional green building measures for newly constructed nonresidential buildings as well as additions and alterations. In order to meet one of the tier levels designers, builders or property owners are required to incorporate additional green building measures necessary to meet the threshold of each level. Refer to the provisions in Section 301.3 for nonresidential additions and alterations scope and application.

  A5.601.2 CALGreen Tier 1

  A5.601.2.1 Prerequisites. To achieve CALGreen tier status, a project must meet all of the mandatory measures in Chapter 5 and, in addition, meet the provisions of this section.

  A5.601.2.2 Energy performance. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards.

  A5.601.2.3 Tier 1. Comply with the energy efficiency requirements in Section A5.203.1.1 and Section A5.203.1.2.1.

  A5.601.2.4 Voluntary measures for Tier 1. In addition to the provisions of Sections A5.601.2.1 and A5.601.2.3 above, compliance with the following voluntary measures from Appendix A5 is required for Tier 1:

  1. From Division A5.1, a. Comply with the designated parking requirements for high-efficiency vehicles for a minimum of 35 percent of parking capacity per Section A5.106.5.1. b. Electric vehicle (EV) charging [N] and Table A5.106.5.3.1 w/ footnotes. c. Comply with thermal emittance, solar reflectance or SRI values for cool roofs in Section A5.106.11.2 and Table A5.106.11.2.2. [1]

  d. Comply with one elective measure selected from this division. 2. From Division A5.2 comply with ONE of the following:

  1. Outdoor lighting as described in A5.203.1.1.1.

  2. Service water heating in restaurants as described in A5.203.1.1.2.

  3. Warehouse Dock Seal Doors A5.203.1.1.3.

  4. Daylight Design Power Adjustments 5.203.1.1.4.

  5. Exhaust Air Heat Recovery A5.203.1.1.5.

  6. From Division A5.3,

  a. Comply with the 12-percent reduction for indoor potable water use in Section A5.303.2.3.1. b. Comply with one elective measure selected from this division.

  4. From Division A5.4,
• CBC § 8-14 Medium relevance — show source text

  8-14 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  COMPLIANCE FORMS, WORKSHEETS AND REFERENCE MATERIAL

  Selection of “trained,” qualified personnel is required by this code. In order to meet this requirement, the commissioning provider should be evaluated via the methods discussed above. In addition, various organizations have training and certification programs that may be a source for identification of qualified commissioning providers.

  For information about enforcement and compliance of each commissioning element see Sections 5.410.2.1 through 5.410.2.6.

  For compliance forms and templates see Part 2 following this standard.

  Reference: 1 Owner’s Project Requirements

  CALGreen Section 5.410.2.1, Owner’s or Owner representative’s Project Requirements (OPR).

  1.1 Intent:

  The Owner’s Project Requirements (OPR) documents the functional requirements of a project and expectations of the building use and operation as it relates to systems being commissioned. The document describes the physical and functional building characteristics desired by the owner and establishes performance and acceptance criteria. The OPR is most effective when developed during predesign and used to develop the Basis of Design (BOD) during the design process. The level of detail and complexity of the OPR will vary according to building use, type and systems.

  1.2 Compliance Method:

  Compliance is demonstrated by the owner or owner’s representative developing and/or approving the Owner’s Project Requirements (OPR) document and can be defined as follows:

  1. Environmental and Sustainability Goals—Establish environmental project goals and objectives exceeding the code for the project’s sustainability, which may include: a. CALGreen voluntary measures or Tiers sought, or other specific green building rating system or program credits and/or level of certification sought b. Specific environmental or sustainability goals such as water efficiency, water reuse, CO 2 monitoring, xeriscaping, etc.
  2. Building Sustainable Goals—Establish goals and targets affecting energy efficiency, which may include: a. Measures affecting building sustainability desired by owner i. Building orientation and siting ii. Daylighting iii. Facade, envelope and fenestration

  iv. Roof

  v. Natural ventilation

  vi. Onsite renewable power generation and net-zero energy use vii. Landscaping and shading 3. Indoor Environmental Quality Requirements—For each program space describe indoor environmental requirements including intended use and anticipated schedule, and the following: a. Temperature and humidity

  b. Acoustics

  c. Air quality, ventilation and filtration d. Desired adjustability of system controls

  e. Accommodations for after-hours use

  f. Other owner requirements including natural ventilation, operable windows, daylight, views, etc. 4. Project Program, including facility functions and hours of operation, and need for after-hours operation—Describe primary purpose, program and use of proposed project include the following: a. Building size, number of stories, construction type, occupancy type and number b. Building program areas including intended use and anticipated occupancy schedules c. Future expandability and flexibility of spaces d. Quality and/or durability of materials and building lifespan desired e. Budget or operational constraints f. Applicable codes 5. Equipment and Systems Expectations—Describe the following for each system commissioned: a. Level of quality, reliability, equipment type, automation, flexibility, maintenance and complexity desired b. Specific efficiency targets, desired technologies or preferred manufacturers for building systems, acoustics and vibration c. Degree of system integration, automation and functionality for controls 6.

• CBC § 409.4 Medium relevance — show source text

  Shading from obstructions located on the roof or any other part of the building shall not be included in the determination of annual solar access.
  3.
  Life cycle assessment compliant with Section A5.409.4 in this code may be substituted for prescriptive measures from Division A5.4.|1.
  Exception: Allowance may be permitted in Tier 2 for up to 5-percent specialty purpose flooring.
  2.
  Solar water-heating system requirement for newly constructed restaurants as per A5.203.1.1.2.
  Exceptions:
  a. Buildings with a natural gas service water heater with a minimum of 95-percent thermal efficiency.
  b. Buildings where greater than 75 percent of the total roof area has annual solar access that is less than 70 percent. Solar access is the ratio of solar insolation including shade to the
  solar insolation without shade. Shading from obstructions located on the roof or any other part of the building shall not be included in the determination of annual solar access.
  3.
  Life cycle assessment compliant with Section A5.409.4 in this code may be substituted for prescriptive measures from Division A5.4.|1.
  Exception: Allowance may be permitted in Tier 2 for up to 5-percent specialty purpose flooring.
  2.
  Solar water-heating system requirement for newly constructed restaurants as per A5.203.1.1.2.
  Exceptions:
  a. Buildings with a natural gas service water heater with a minimum of 95-percent thermal efficiency.
  b. Buildings where greater than 75 percent of the total roof area has annual solar access that is less than 70 percent. Solar access is the ratio of solar insolation including shade to the
  solar insolation without shade. Shading from obstructions located on the roof or any other part of the building shall not be included in the determination of annual solar access.
  3.
  Life cycle assessment compliant with Section A5.409.4 in this code may be substituted for prescriptive measures from Division A5.4.|

  A5.601.1 Scope. The measures contained in this appendix are not mandatory unless adopted by local government as specified in Section 101.7. The provisions of this section outline means of achieving enhanced construction or reach levels by incorporating addi

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-41

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

  APPENDIX A5 — NONRESIDENTIAL VOLUNTARY MEASURES

  tional green building measures for newly constructed nonresidential buildings as well as additions and alterations. In order to meet one of the tier levels designers, builders or property owners are required to incorporate additional green building measures necessary to meet the threshold of each level. Refer to the provisions in Section 301.3 for nonresidential additions and alterations scope and application.

  A5.601.2 CALGreen Tier 1

  A5.601.2.1 Prerequisites. To achieve CALGreen tier status, a project must meet all of the mandatory measures in Chapter 5 and, in addition, meet the provisions of this section.

  A5.601.2.2 Energy performance. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards.

• CBC § 110.2 Medium relevance — show source text

  The size category is the full-load net refrigeration cooling mode capacity, which is the capacity of the evaporator available for cooling of the thermal load external to the chill-
  ing package.
  b. For air source heat pumps, compliance with both the 47°F and 17°F heating source outdoor air temperature (OAT) rating efficiency is required for heating.
  c. Heating full-load rating conditions are at standard rating conditions defined in AHRI 550/590 (I-P), Table 4, which includes the impact of defrost for air source heating ratings.
  d. For units that operate in both cooling and heating, compliance with both the cooling and heating efficiency is required.
  e. For heat recovery heating chilling package applications where there is simultaneous cooling and heating, compliance with the heating performance heat recover COPHR is
  only required at one of the four heating AHRI 550/590 (I-P) standard ratings conditions of Low, Medium, Hot-Water 1 or Hot-Water 2. Compliance with the cooling-only perfor-
  mance is required as defined in Notes b and c of Table 110.2-I.
  f. For liquid source heat recovery chilling packages that have capabilities for heat rejection to a heat recovery condenser and a tower condenser, the COPHR applies to operation
  at full load with 100 percent heat recovery (no tower rejection). Units that only have capabilities for partial heat recovery shall meet the requirements of Table 110.2-D, Water
  Chilling Packages—Minimum Efficiency Requirements.
  g. For heat recovery heating chilling package applications where there is simultaneous cooling and heating, compliance with the heating performance heat recover COPHR is
  only required at one of the four heating AHRI 550/590 (I-P) standard ratings conditions of Low, Medium, Hot-Water 1 or Hot-Water 2. Compliance with the cooling-only perfor-
  mance is required as defined in Notes b and c of Table 110.2-I.
  h. Water-to-water heat pumps with a capacity less than 135,000 Btu/h are included in Table 110.2-B, Heat Pumps—Minimum Efficiency Requirements.
  i. Source leaving liquid temperature.
  1. The cooling evaporator liquid flow rate used for the heating rating for a reverse cycle air-to-water heat pump shall be the flow rate determined during the full-load cool-
  ing rating.
  2. The cooling evaporator liquid flow rate for the simultaneous cooling and heating and heat recovery liquid cooled chilling packages rating shall be the liquid flow rates
  from the cooling operation full-load rating.
  3. For heating-only fluid-to-fluid chiller packages, the evaporator flow rate obtained with an entering liquid temperature of 54°F and a leaving liquid temperature of 44°F
  shall be used.
  j. NA means the requirements are not applicable.|a. The size category is the full-load net refrigeration cooling mode capacity, which is the capacity of the evaporator available for cooling of the thermal load external to the chill-
  ing package.
  b. For air source heat pumps, compliance with both the 47°F and 17°F heating source outdoor air temperature (OAT) rating efficiency is required for heating.
  c. Heating full-load rating conditions are at standard rating conditions defined in AHRI 550/590 (I-P), Table 4, which includes the impact of defrost for air source heating ratings.
  d. For units that operate in both cooling and heating, compliance with both the cooling and heating efficiency is required.
  e.

• CBC § 1-1 Medium relevance — show source text

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

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  APPENDIX A6.1-2 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  DIVISION A6.1 – SITE PLANNING AND DESIGN

  SECTION A6.106—SITE DEVELOPMENT

  A6.106.9 Building orientation. Locate and orient the building as follows:

  1. When site and location permit, orient the building with the long sides facing north and south.
  2. Protect the building from thermal loss, drafts and degradation of the building envelope caused by wind and wind-driven materials such as dust, sand, snow and leaves, with building orientation and landscape features. Note: For information on sun angles and shading, visit: http://www2.aud.ucla.edu/energy-design-tools/.

  Calculations may be made using the Solar-2 tool.

  DIVISION A6.2 – ENERGY EFFICIENCY

  SECTION A6.202—DEFINITIONS

  A6.202.1 Definitions. The following words and terms shall, for the purposes of this chapter and as used elsewhere in this code, have the meanings shown herein.

  ENERGY STAR. A joint program of the US Environmental Protection Agency and the US Department of Energy. ENERGY STAR is a voluntary program designed to identify and promote energy-efficient products and practices.

  SECTION A6.203—PERFORMANCE APPROACH

  A6.203.2 Energy performance. It is the intent of this code to encourage green buildings to achieve exemplary performance in the area of energy efficiency.

  A6.203.2.1 CALGreen Tier 1. [OSHPD 1] To achieve CALGreen [Tier 1, buildings must comply with the latest edition of “Savings By](http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf) Design, Healthcare Modeling Procedures” found online at http://www.energysoft.com/ep/ 2007SBDHProcedures.pdf.

  A6.203.2.2 CALGreen Tier 2. [OSHPD 1] To achieve CALGreen Tier 2, buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by a minimum of 15 percent.

  SECTION A6.204—PRESCRIPTIVE APPROACH

  A6.204.1 ENERGY STAR equipment and appliances. All equipment and appliances provided by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment or appliance.

  A6.204.4 Commissioning. [OSHPD 1 & 4] Building commissioning shall be included in the design and construction processes of the building project to verify that the building’s energy related systems are installed, calibrated and perform according to the owner’s project requirements, basis of design and construction documents.

  The owner and designer shall designate an individual as the Commissioning Authority (CxA) to lead, review and oversee the completion of the commissioning process activities. The owner shall document the Owner’s Project Requirements (OPR).

• CBC § 207.1.1 Medium relevance — show source text

  **
  A6.207.1.1 Efficiency.
  A6.207.1.2 Controls for heat pumps with supplementary electric resistance heaters.
  A6.207.1.3 Thermostats.
  A6.207.1.4 Gas-and oil-fired furnace standby loss controls.||
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  || |A6.207.2 Space conditioning systems.
  A6.207.2.1 Supply air temperature reset controls.
  A6.207.2.2 Electric resistance heating.
  A6.207.2.3 Heat rejection systems.
  A6.207.2.4 Hydronic system measures.
  A6.207.2.5 Air distribution system duct leakage sealing.
  A6.207.2.6 Variable air volume control for single zone systems.||
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  || |A6.207.3 Service water-heating systems and equipment.
  A6.207.3.1 Certification by manufacturers.
  A6.207.3.2 Efficiency.
  A6.207.3.3 Installation.||
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  || |A6.207.4 Natural gas central furnaces, cooking equipment and pool and spa heaters.
  Pilot lights prohibited.||||| |A6.207.5 Controls for space-conditioning systems.
  A6.207.5.1 Thermostatic controls for each zone.
  A6.207.5.2 Criteria for zonal thermostatic controls.
  A6.207.5.3 Heat pump controls.
  A6.207.5.4 Dampers for air supply and exhaust equipment.
  A6.207.5.5 Automatic demand shed controls.||
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  || |A6.207.6 Pipe insulation.||||| |SECTION A6.209 Lighting||||| |A6.209.1 Lighting control devices, ballasts and luminaires.
  A6.209.1.1 All devices: Instructions and calibration.
  A6.209.1.2 Indicator lights.
  **A6.209.1.3 Automatic time switch control devices.

• CBC § 106.9 Medium relevance — show source text

  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
  DIVISION A6.1 – PLANNING AND DESIGN
  SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development	SECTION Site Development
  **A6.106.9 Building orientation.**Locate and orient the building as follows: 1. When site and location permit, orient the building with the long sides facing north and south. 2. Protect the building from thermal loss, drafts and degradation of the building envelope caused by wind and wind-driven materials such as dust.			
  DIVISION A6.2 – ENERGY EFFICIENCY
  SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures	SECTION A6.203 Performance Measures
  A6.203.1 Energy performance. [OSHPD 1] **A6.203.1.1 CALGreen Tier 1. [OSHPD 1]**Buildings must comply with the latest edition of “Savings By Design, Healthcare Modeling Procedures.” A.5.203.1.2 CALGreen Tier 2. [OSHPD 1] Buildings must exceed the latest edition of “Savings By Design, Healthcare Modeling Procedures” by 15 percent.			
  SECTION A6.204 Prescriptive Measures
  **A6.204.1 ENERGY STAR equipment and appliances.**All equipment and appliances provided by the builder shall be ENERGY STAR labeled if ENERGY STAR is applicable to that equipment or appliance.			
  A6.204.4 Commissioning. Building commissioning for all building systems covered by T24, Part 6, process systems and renewable energy systems shall be included in the design and construction processes of the building project. Commissioning requirements shall include as a minimum items listed in Section A6.204.4. **A6.204.4.1 Owner’s Project Requirements (OPR).**Documented before the design phase of the project begins the OPR shall include items listed in Section A6.204.4. **A6.204.4.2 Basis of Design (BOD).**A written explanation of how the design of the building systems meets the OPR shall be completed at the design phase of the building project and updated periodically to cover the systems listed in Section A6.204.4.2. **A6.204.4.3 Commissioning plan.

• CBC § 201.1 Medium relevance — show source text

  APPENDIX A5-12 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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  A5 NONRESIDENTIAL VOLUNTARY MEASURES

  DIVISION A5.2 – ENERGY EFFICIENCY

  SECTION A5.201—GENERAL

  A5.201.1 Scope. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards. It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required findings of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106, prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modifications along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/building-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A5.202—DEFINITIONS

  A5.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  GEOTHERMAL.

  LONG-TERM SYSTEM COST (LSC).

  PROCESS.

  RECOVERED ENERGY, ON-SITE.

  SOLAR ACCESS.

  SOLAR POOL HEATING SYSTEM.

  SECTION A5.203—PERFORMANCE APPROACH

  A5.203.1 Energy efficiency. Nonresidential, high-rise residential and hotel/motel buildings that include lighting and/or mechanical systems shall comply with Sections A5.203.1.1 and A5.203.1.2. Newly constructed buildings and additions are included in the scope of these sections. Buildings permitted without lighting or mechanical systems shall comply with Section A5.203.1.1 but are not required to comply with Section A5.203.1.2.

  A5.203.1.1 Tier 1 and Tier 2 prerequisites. To comply with Tier 1, ONE of the following efficiency measures is required for all applicable components of the building project. To comply with Tier 2, TWO of the following efficiency measures are required.

  A5.203.1.1.1 Outdoor lighting. Outdoor lighting requirements are described below.

  A5.203.1.1.1.1 Newly installed outdoor lighting power shall be no greater than 90 percent of the Allowed Outdoor Lighting Power, and general hardscape lighting within the scope of Title 24, Part 6, Section 140.7(b)1 shall have a color temperature no higher than 3000K. The Allowed Outdoor Lighting Power calculation is specified in Title 24, Part 6, Section 140.7, Requirements for Outdoor Lighting.

  Exception to Section A5.203.1.1.1.1:

• CBC § 201.1 Medium relevance — show source text

  DIVISION A5.2 – ENERGY EFFICIENCY

  (Matrix Adoption Tables are nonregulatory, intended only as an aid to the code user. See Chapter 1 for state agency authority and building applications.)

  Adopting agency	BSC	BSC- CG	SFM	HCD	Col6	Col7	DSA	Col9	OSHPD	Col11	Col12	Col13	Col14	Col15	BSCC	DPH	AGR	DWR	CEC	CA	SL	SLC
  Adopting agency	BSC	BSC- CG	SFM	1	2	1/AC	AC	SS	1	1R	2	3	4	5	5	5	5	5	5	5	5	5
  Adopt entire CA chapter
  Adopt entire chapter as amended (amended sections listed below)
  Adopt only those sections that are listed below																			X
  Chapter/Section
  Appendix A5.2																			X

  2025 CALIFORNIA GREEN BUILDING STANDARDS CODE APPENDIX A5-11

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

  APPENDIX A5-12 2025 CALIFORNIA GREEN BUILDING STANDARDS CODE

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

  A5 NONRESIDENTIAL VOLUNTARY MEASURES

  DIVISION A5.2 – ENERGY EFFICIENCY

  SECTION A5.201—GENERAL

  A5.201.1 Scope. For the purposes of mandatory energy efficiency standards in this code, the California Energy Commission will continue to adopt mandatory standards. It is the intent of these voluntary provisions to encourage local jurisdictions through codification to achieve exemplary performance in the area of building energy efficiency. Local jurisdictions adopting these voluntary provisions as mandatory local energy efficiency standards shall submit the required application and receive the required findings of the California Energy Commission in compliance with Title 24, Part 1, Section 10-106, prior to enforcement. Once the required filing has been verified and finding has been made by the Energy Commission, local jurisdictions shall file an ordinance expressly marking the local modifications along with findings and receive the required acceptance from the California Building Standards Commission in compliance with Section 101.7 of this code, prior to enforcement (Title 24, Part 1, Section 10-106 is available at https://www.energy.ca.gov/programs-and-topics/programs/building-energy-efficiency-standards/2025-building-energy-efficiency

  SECTION A5.202—DEFINITIONS

  A5.202.1 Definitions. The following terms are defined in Chapter 2.

  ENERGY BUDGET.

  GEOTHERMAL.