Definitions concerning commercial air conditioners and heat pumps.

CFR · 2024-01-01 · US · Title 10

(1) Per appendix A to this subpart for air-cooled small (≥65,000 Btu/h), large, and very large commercial package air conditioning and heating equipment; (2) Per appendix C1 to this subpart for water-source heat pumps; (3) Per appendix D1 to this subpart for variable refrigerant flow multi-split air conditioners and heat pumps (other than air-cooled with rated cooling capacity less than 65,000 Btu/h); and (4) Per appendix G1 to this subpart for single package vertical air conditioners and single package vertical heat pumps.

official document · source cfr-2024 · id 10:§ 431.92