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Title 10

Displaying title 10, up to date as of 10/09/2026. Title 10 was last amended 10/07/2026.
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Title 10EnergyPart / Section
Chapter IIDepartment of Energy200 – 699
Subchapter DEnergy Conservation400 – 499
Part 431Energy Efficiency Program for Certain Commercial and Industrial Equipment431.1 – 431.485
Subpart FCommercial Air Conditioners and Heat Pumps431.91 – 431.97
Energy Efficiency Standards431.97
§ 431.97Energy efficiency standards and their compliance dates.
Appendix A to Subpart F of Part 431
Uniform Test Method for the Measurement of Energy Consumption of Commercial Package Air Conditioning and Heating Equipment (Excluding Air-Cooled Equipment With a Cooling Capacity Less Than 65,000 Btu/h)
Appendix A1 to Subpart F of Part 431
Uniform Test Method for the Measurement of Energy Consumption of Commercial Package Air Conditioning and Heating Equipment (Excluding Air-Cooled Equipment With a Cooling Capacity Less Than 65,000 Btu/h)
Appendix B to Subpart F of Part 431
Uniform Test Method For Measuring the Energy Consumption of Direct Expansion-Dedicated Outdoor Air Systems
Appendix C to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Water-Source Heat Pumps
Appendix C1 to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Water-Source Heat Pumps
Appendix D to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps (Other Than Air-Cooled With Rated Cooling Capacity Less Than 65,000 Btu/h)
Appendix D1 to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps (Other Than Air-Cooled With Rated Cooling Capacity Less Than 65,000 Btu/h)
Appendix E to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Computer Room Air Conditioners
Appendix E1 to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Computer Room Air Conditioners
Appendix F to Subpart F of Part 431
Uniform Test Method for the Measurement of Energy Consumption of Air-Cooled, Three-Phase, Small Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 Btu/h and Air-Cooled, Three-Phase, Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps With a Cooling Capacity of Less Than 65,000 Btu/h
Appendix F1 to Subpart F of Part 431
Uniform Test Method for the Measurement of Energy Consumption of Air-Cooled, Three-Phase, Small Commercial Package Air Conditioning and Heating Equipment With a Cooling Capacity of Less Than 65,000 Btu/h and Air-Cooled, Three-Phase, Variable Refrigerant Flow Multi-Split Air Conditioners and Heat Pumps With a Cooling Capacity of Less Than 65,000 Btu/h
Appendix G to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Single Package Vertical Air Conditioners and Single Package Vertical Heat Pumps
Appendix G1 to Subpart F of Part 431
Uniform Test Method for Measuring the Energy Consumption of Single Package Vertical Air Conditioners and Single Package Vertical Heat Pumps