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Rule 20 Mar 2025 energy conservation, compliance, test procedures, regulation, heat pumps, department of energy, central air conditioners

❄️DOE Delays Effective Date for Central Air Conditioner Test Procedures

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

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Regulatory Compliance, Industry Standards, Financial Impact 7 Jan 2025 compliance, regulations, imports, administrative practice and procedure, reporting and recordkeeping requirements, incorporation by reference, intergovernmental relations, small businesses, energy conservation, household appliances, hvac, heat pumps, confidential business information, central air conditioners, energy efficiency, doe

🏭New Regulations for Energy Efficiency in Central Air Conditioners

This final rule amends the Federal test procedure for central air conditioners and heat pumps ("CAC/HPs") to incorporate by reference the latest versions of the applicable industry standards. Specifically, DOE is incorporating by reference the latest version of the relevant industry consensus test standard, AHRI 210/240-2024 (I-P) for the current test procedure for CAC/HPs ("appendix M1") for measuring the current cooling and heating metrics--seasonal energy efficiency ratio 2 ("SEER2") and heating seasonal performance factor 2 ("HSPF2"). DOE is incorporating by reference the new industry consensus test standard, AHRI 1600-2024 (I-P), for a new test procedure ("appendix M2") for CAC/HPs that adopts two new metrics--seasonal cooling and off-mode rating efficiency ("SCORE") and seasonal heating and off-mode rating efficiency ("SHORE"). Testing to the SCORE and SHORE metrics would not be required until such time as compliance is required with any amended energy conservation standard based on the new metrics. Additionally, DOE is amending certain provisions of DOE's regulations related to representations and enforcement for CAC/HPs.

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