Energy Conservation Program: Test Procedure for Central Air Conditioners and Heat Pumps

Document Headings Document headings vary by document type but may contain the following: the agency or agencies that issued and signed a document the number of the CFR title and the number of each part the document amends, proposes to amend, or is directly related to the agency docket number / agency internal file number the RIN which identifies each regulatory action listed in the Unified Agenda of Federal Regulatory and Deregulatory Actions See the Document Drafting Handbook for more details. Department of Energy 10 CFR Part 429 [EERE-2022-BT-TP-0028] RIN 1904-AF49 AGENCY: Office of Energy Efficiency and Renewable Energy, Department of Energy. ACTION: Final rule. SUMMARY: The U.S. Department of Energy (“DOE”) is finalizing a one-year delay of certain product-specific enforcement provisions related to the controls verification procedure established in a recently published final rule amending the test procedures for central air conditioners and heat pumps. DATES: The effective date of this rule is September 9, 2025. ADDRESSES: The docket, which includes Federal Register notices, public meeting attendee lists and transcripts, comments, and other supporting documents/materials, is available for review at www.regulations.gov . All documents in the docket are listed in the www.regulations.gov index. However, not all documents listed in the index may be publicly available, such as those containing information that is exempt from public disclosure. A link to the docket web page can be found at www.regulations.gov/​docket/​EERE-2022-BT-TP-0028 . The docket web page contains instructions on how to access all documents, including public comments, in the docket. For further information on how to review the docket contact the Appliance and Equipment Standards Program staff at (202) 287-1445 or by email: ApplianceStandardsQuestions@ee.doe.gov . FOR FURTHER INFORMATION CONTACT: Ms. Julia Hegarty, U.S. Department of Energy, Office of Energy Efficiency and …