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Data / Federal rules / 2025-09064

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

The Energy Department published this final rule in the Federal Register on May 20, 2025. It took effect on January 7, 2025.

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What the agency says

This document further delays the effective date of a recently published final rule amending the test procedures for central air conditioners and heat pumps.

Key facts

Document number
2025-09064
Type
Final rule
Action
Final rule; further delay of effective date
Agency
Energy Department
Published
May 20, 2025
Takes effect
January 7, 2025
Dates
As of May 20, 2025, the effective date of the rule amending 10 CFR parts 429 and 430 published in the Federal Register at 90 FR 1224 on January 7, 2025, which was delayed at 90 FR 9001 (Feb. 5, 2025) and 90 FR 13052 (March 20, 2025), is further delayed until July 7, 2025. The incorporation by reference approval published at 90 FR 1224 on January 7, 2025, which was delayed at 90 FR 9001 (Feb. 5, 2025) and 90 FR 13052 (March 20, 2025), is further delayed to July 7, 2025.
Docket
EERE-2022-BT-TP-0028
Regulation ID (RIN)
1904-AF49
Code of Federal Regulations
10 CFR 429; 10 CFR 430
Pages
2

The document on federalregister.gov PDF

Other documents from the Energy Department

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Read from the Federal Register API, last updated 2026-10-23. The document on federalregister.gov is the official record; dates and dockets can change through later corrections. Free to reuse with credit to SpecStream under CC BY 4.0.