2025 Building Energy Efficiency Standards

Protection of the environment (TBT); Cost saving and productivity enhancement (TBT)

Energy efficiency; Environmental protection (ICS code(s): 13.020); Air quality (ICS code(s): 13.040); Energy efficiency. Energy conservation in general (ICS code(s): 27.015); Installations in buildings (ICS code(s): 91.140)

Link to ePing

13.040 - Air quality; 91.140 - Installations in buildings; 13.040 - Air quality; 27.015 - Energy efficiency. Energy conservation in general; 27.015 - Energy efficiency. Energy conservation in general; 91.140 - Installations in buildings

This is a notification for public comments on the Draft 2025 ACM Reference Manuals. ACM refers to the 2025 Single-Family Residential Alternative Calculation Method (ACM) Reference Manual and the 2025 Non-residential and Multifamily ACM Reference Manual (collectively, the 2025 ACM Reference Manuals).  Additionally, this provides notification of a public workshop on November 14th. This workshop will be on the first draft of the 2025 ACM Reference Manuals and also provide information on the 2025 Compliance Manuals development process. 2025 Single-Family Residential ACM Reference Manual • The 2025 Single-Family Residential ACM Reference Manual defines the rules for compliance software used to demonstrate Energy Code compliance under the performance pathway. Specifically, the ACM Reference Manual details the procedures involved in determining the energy budgets of the Standard Design and Proposed Design for single-family buildings. • To access the 2025 Single-Family ACM Reference Manual document please visit https://efiling.energy.ca.gov/Lists/DocketLog.aspx?docketnumber=24-BSTD-032025 Nonresidential and Multifamily ACM Reference Manual • The Nonresidential and Multifamily Buildings ACM Reference Manual defines the rules for compliance software used to demonstrate Energy Code compliance under the performance pathway. Specifically, the ACM Reference Manual details the procedures involved in determining the energy budgets of the Standard Design and Proposed Design nonresidential and multifamily buildings. • To access the 2025 Nonresidential and Multifamily ACM Reference Manual document please visit https://efiling.energy.ca.gov/Lists/DocketLog.aspx?docketnumber=24-BSTD-03The California Energy Commission (CEC) Efficiency Division will host a public workshop to discuss the draft guidance documents to support the 2025 update to California's Building Energy Efficiency Standards (Energy Code) contained in the California Code of Regulations (CCR), Title 24, Parts 1 and 6 and provide an opportunity for interested members of the public to comment on the 2025 Residential ACM Reference Manual and the 2025 non-residential and Multifamily ACM Reference Manual.2025 ACM Reference Manuals and 2025 Compliance Manuals Workshop _x000D_ 14 November 2024 1:00 p.m. – 4:00 p.m.Pacific Time_x000D_ Remote access only; participants may join via Zoom, by internet or phone. To join via Zoom:Click on https://energy.zoom.us/j/87092186271?pwd=NvS0CakPIMQCgrjEKYDsyUtTH1BfQz.1 or login in at https://zoom.us/ and enter the Webinar ID 870 9218 6271 and passcode 772036 and follow all prompts. To join by telephone, call toll-free at (888) 475-4499 or toll at (669) 219-2599. When prompted, enter the Webinar ID 870 9218 6271 and passcode 772036. The CEC aims to begin promptly at the start time posted and the end time is an estimate based on the proposed agenda. The workshop may end sooner or later than the posted end time. Zoom Closed Captioning Service: At the bottom of the screen, click the Live Transcript CC icon and choose “Show Subtitle” or “View Full Transcript” from the popup menu. To stop closed captioning, close the “Live Transcript” or select “Hide Subtitle” from the pop-up menu. If joining by phone, closed captioning is automatic and cannot be turned off. While closed captioning is available in real-time, it can include errors. A more accurate transcript of the workshop will be docketed and posted as soon as possible after the meeting concludes.WTO Members and their stakeholders are asked to submit comments to the USA TBT Enquiry Point. Comments received by the USA TBT Enquiry Point from WTO Members and their stakeholders by 4pm Eastern Time on 13 December 2024 will be shared with CEC.

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