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|---|---|---|---|---|---|---|---|---|---|---|---|---|
§ 84.54(a)(1) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-a-1-manufacture-import-self-contained-residential-and-light-commercial-air-conditioning-and-heat-pump-p | manufacture/import | self-contained residential and light commercial air conditioning and heat pump products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 1 ) Effective January 1, 2025, self-contained residential and light commercial air conditioning and heat pump products using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-1-manufacture-import-self-contained-residential-and-light-commercial-air-conditioning-and-heat-pump-p/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(10)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-a-10-i-manufacture-import-chillers-for-comfort-cooling | manufacture/import | chillers for comfort cooling | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Chillers, when a stand-alone product, as follows: ( i ) Effective January 1, 2025, chillers for comfort cooling using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-10-i-manufacture-import-chillers-for-comfort-cooling/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | when a stand-alone product | null |
§ 84.54(a)(10)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-a-10-ii-manufacture-import-chillers-for-ice-rinks | manufacture/import | chillers for ice rinks | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Chillers, when a stand-alone product, as follows: ( i ) Effective January 1, 2025, chillers for comfort cooling using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; ( ii ) Effective January 1, 2025, chillers for ice rinks using a regulated s... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-10-ii-manufacture-import-chillers-for-ice-rinks/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | when a stand-alone product | null |
§ 84.54(a)(10)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 700 | 84-54-a-10-iii-manufacture-import-chillers-for-industrial-process-refrigeration | manufacture/import | chillers for industrial process refrigeration | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( iii ) Effective January 1, 2026, chillers for industrial process refrigeration where the temperature of the fluid exiting the chiller is greater than −22 °F (−30 °C) using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-10-iii-manufacture-import-chillers-for-industrial-process-refrigeration/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the fluid exiting the chiller is greater than −22 °F (−30 °C) | null |
§ 84.54(a)(10)(iv) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 700 | 84-54-a-10-iv-manufacture-import-chillers-for-industrial-process-refrigeration | manufacture/import | chillers for industrial process refrigeration | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( iv ) Effective January 1, 2028, chillers for industrial process refrigeration where the temperature of the fluid exiting the chiller is greater than or equal to −50 °C (−58 °F) and less than or equal to −30 °C (−22 °F) using a regulated substance, or a blend containing a regulated substance, with a global warming pot... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-10-iv-manufacture-import-chillers-for-industrial-process-refrigeration/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the fluid exiting the chiller is greater than or equal to −50 °C (−58 °F) and less than or equal to −30 °C (−22 °F) | null |
§ 84.54(a)(10)(v) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2030 | null | 84-54-a-10-v-manufacture-import-chillers | manufacture/import | Chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( v ) Chillers subject to <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(10)(iii)> paragraph (a)(10)(iii) or <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(10)(iv)> (iv) of this section with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semicon... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-10-v-manufacture-import-chillers/ | [
"conditions",
"effective_date",
"sector"
] | with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors | null |
§ 84.54(a)(11) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | 700 | 84-54-a-11-manufacture-import-self-contained-products-in-data-center-information-technology-equipment-facility | manufacture/import | self-contained products in data center, information technology equipment facility, and computer room cooling | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 11 ) Effective January 1, 2027, self-contained products in data center, information technology equipment facility, and computer room cooling using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-11-manufacture-import-self-contained-products-in-data-center-information-technology-equipment-facility/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(12)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 150 | 84-54-a-12-i-manufacture-import-industrial-process-refrigeration-products-other-than-chillers | manufacture/import | Industrial process refrigeration products, other than chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 12 ) Industrial process refrigeration products, other than chillers, as follows: ( i ) Effective January 1, 2026, products with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) using a regulated substance, or a blend contai... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-12-i-manufacture-import-industrial-process-refrigeration-products-other-than-chillers/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) | null |
§ 84.54(a)(12)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 300 | 84-54-a-12-ii-manufacture-import-industrial-process-refrigeration-products-other-than-chillers | manufacture/import | Industrial process refrigeration products, other than chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 12 ) Industrial process refrigeration products, other than chillers, as follows: ( i ) Effective January 1, 2026, products with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) using a regulated substance, or a blend contai... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-12-ii-manufacture-import-industrial-process-refrigeration-products-other-than-chillers/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a refrigerant charge capacity less than 200 pounds and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) | null |
§ 84.54(a)(12)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 700 | 84-54-a-12-iii-manufacture-import-industrial-process-refrigeration-products-other-than-chillers | manufacture/import | Industrial process refrigeration products, other than chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 12 ) Industrial process refrigeration products, other than chillers, as follows: ( i ) Effective January 1, 2026, products with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) using a regulated substance, or a blend contai... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-12-iii-manufacture-import-industrial-process-refrigeration-products-other-than-chillers/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the refrigerant entering the evaporator is greater than or equal to −50 °C (−58 °F) and is less than or equal to −30 °C (−22 °F) | null |
§ 84.54(a)(12)(iv) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2030 | null | 84-54-a-12-iv-manufacture-import-industrial-process-refrigeration-products-other-than-chillers | manufacture/import | Industrial process refrigeration products, other than chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 12 ) Industrial process refrigeration products, other than chillers, as follows: ( i ) Effective January 1, 2026, products with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) using a regulated substance, or a blend contai... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-12-iv-manufacture-import-industrial-process-refrigeration-products-other-than-chillers/ | [
"conditions",
"effective_date",
"sector"
] | with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors | null |
§ 84.54(a)(12)(v) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | null | 84-54-a-12-v-manufacture-import-refrigerated-centrifuges-and-laboratory-shaker-tables | manufacture/import | Refrigerated centrifuges and laboratory shaker tables | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( v ) Refrigerated centrifuges and laboratory shaker tables subject to <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(12)(i)> paragraph (a)(12)(i) or <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(12)(ii)> (ii) of this section must comply with the restrictions of <https://www.ecfr.gov/... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-12-v-manufacture-import-refrigerated-centrifuges-and-laboratory-shaker-tables/ | [
"effective_date",
"sector"
] | null | null |
§ 84.54(a)(13)(i) | [
"cfr_paragraph",
"restriction_type"
] | October 24, 2024 | 150 | 84-54-a-13-i-manufacture-import-motor-vehicle-air-conditioning | manufacture/import | Motor vehicle air-conditioning | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 13 ) Motor vehicle air-conditioning as follows: ( i ) Effective October 24, 2024, for Model Year 2025 and subsequent model year light-duty passenger cars and trucks (vehicles with a gross vehicle weight rating less than 8,500 lb) using or intended to use a regulated substance, or a blend containing a regulated substa... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-13-i-manufacture-import-motor-vehicle-air-conditioning/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | for Model Year 2025 and subsequent model year light-duty passenger cars and trucks (vehicles with a gross vehicle weight rating less than 8,500 lb) | null |
§ 84.54(a)(13)(ii) | [
"cfr_paragraph",
"restriction_type"
] | Model Year 2028 | 150 | 84-54-a-13-ii-manufacture-import-motor-vehicle-air-conditioning | manufacture/import | Motor vehicle air-conditioning | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 13 ) Motor vehicle air-conditioning as follows: ( i ) Effective October 24, 2024, for Model Year 2025 and subsequent model year light-duty passenger cars and trucks (vehicles with a gross vehicle weight rating less than 8,500 lb) using or intended to use a regulated substance, or a blend containing a regulated substa... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-13-ii-manufacture-import-motor-vehicle-air-conditioning/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | medium-duty passenger vehicles, heavy-duty pick-up trucks, and complete heavy-duty vans, as defined by the Federal Highway Administration | null |
§ 84.54(a)(13)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 150 | 84-54-a-13-iii-manufacture-import-motor-vehicle-air-conditioning | manufacture/import | Motor vehicle air-conditioning | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( iii ) Effective January 1, 2028, certain nonroad vehicles (agricultural tractors greater than 40 horsepower; self-propelled agricultural machinery; compact equipment; construction, forestry, and mining equipment; and commercial utility vehicles) using or intended to use a regulated substance, or a blend containing a ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-13-iii-manufacture-import-motor-vehicle-air-conditioning/ | [
"conditions",
"effective_date",
"gwp_limit"
] | certain nonroad vehicles (agricultural tractors greater than 40 horsepower; self-propelled agricultural machinery; compact equipment; construction, forestry, and mining equipment; and commercial utility vehicles) | null |
§ 84.54(a)(14)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-i-manufacture-import-rigid-polyurethane-appliance-foam-commercial-refrigeration-foam-laminated-boards | manufacture/import | Rigid polyurethane appliance foam, commercial refrigeration foam, laminated boardstock, marine flotation foam, sandwich panels, and slabstock | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-i-manufacture-import-rigid-polyurethane-appliance-foam-commercial-refrigeration-foam-laminated-boards/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-ii-manufacture-import-flexible-polyurethane | manufacture/import | Flexible polyurethane | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-ii-manufacture-import-flexible-polyurethane/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-iii-manufacture-import-integral-skin-polyurethane | manufacture/import | Integral skin polyurethane | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-iii-manufacture-import-integral-skin-polyurethane/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(iv) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-iv-manufacture-import-polystyrene-extruded-boardstock-billet-and-extruded-sheet | manufacture/import | Polystyrene—extruded boardstock, billet, and extruded sheet | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-iv-manufacture-import-polystyrene-extruded-boardstock-billet-and-extruded-sheet/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(v) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-v-manufacture-import-phenolic-insulation-board-and-bunstock | manufacture/import | Phenolic insulation board and bunstock | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-v-manufacture-import-phenolic-insulation-board-and-bunstock/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(vi) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-vi-manufacture-import-polyisocyanurate-laminated-boardstock | manufacture/import | Polyisocyanurate laminated boardstock | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-vi-manufacture-import-polyisocyanurate-laminated-boardstock/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(vii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-vii-manufacture-import-polyolefin | manufacture/import | Polyolefin | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-vii-manufacture-import-polyolefin/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(14)(viii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-14-viii-manufacture-import-rigid-polyurethane-spray-foam | manufacture/import | Rigid polyurethane spray foam | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2025, foam products (but not including foam products in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(15)> paragraph (a)(15) of this section) in the following subsectors using a regulated substance, or a blend containing a regulated substance, with a global warming potentia... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-14-viii-manufacture-import-rigid-polyurethane-spray-foam/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | foam products | null |
§ 84.54(a)(15) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | null | 84-54-a-15-manufacture-import-foam-products | manufacture/import | foam products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 15 ) Effective January 1, 2026, foam products in the formulations specified in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(14)(i)> paragraphs (a)(14)(i) through <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)(14)(viii)> (viii) of this section that are for use in space and military ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-15-manufacture-import-foam-products/ | [
"conditions",
"effective_date",
"exemptions",
"sector"
] | for use in space and military applications | except spray and pour foams that are for use in space vehicles |
§ 84.54(a)(16)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-16-i-manufacture-import-aerosol-products | manufacture/import | Aerosol products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 16 ) Aerosol products as follows: ( i ) Effective January 1, 2025, all aerosol products using a regulated substance with a global warming potential of 150 or greater, except products that use HFC-43-10mee (1,1,1,2,3,4,4,5,5,5-pentafluoropentane) or HFC-245fa (1,1,1,3,3-pentafluoropropane) as an aerosol solvent, defen... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-16-i-manufacture-import-aerosol-products/ | [
"effective_date",
"exemptions",
"gwp_limit",
"sector"
] | null | except products that use HFC-43-10mee (1,1,1,2,3,4,4,5,5,5-pentafluoropentane) or HFC-245fa (1,1,1,3,3-pentafluoropropane) as an aerosol solvent |
§ 84.54(a)(16)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 150 | 84-54-a-16-ii-manufacture-import-aerosol-products | manufacture/import | aerosol products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2028, all aerosol products using a regulated substance with a global warming potential of 150 or greater, except defense sprays as defined in <https://www.ecfr.gov/current/title-40/section-84.3> § 84.3 . | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-16-ii-manufacture-import-aerosol-products/ | [
"effective_date",
"exemptions",
"gwp_limit",
"sector"
] | null | except defense sprays |
§ 84.54(a)(2) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-a-2-manufacture-import-residential-dehumidifiers | manufacture/import | residential dehumidifiers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 2 ) Effective January 1, 2025, residential dehumidifiers using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-2-manufacture-import-residential-dehumidifiers/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(3) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-3-manufacture-import-household-refrigerators-and-freezers | manufacture/import | household refrigerators and freezers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 3 ) Effective January 1, 2025, household refrigerators and freezers using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-3-manufacture-import-household-refrigerators-and-freezers/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(4) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-4-manufacture-import-retail-food-refrigeration-stand-alone-units | manufacture/import | retail food refrigeration—stand-alone units | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 4 ) Effective January 1, 2025, retail food refrigeration—stand-alone units using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-4-manufacture-import-retail-food-refrigeration-stand-alone-units/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(5) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 150 | 84-54-a-5-manufacture-import-vending-machines | manufacture/import | vending machines | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 5 ) Effective January 1, 2025, vending machines using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 150 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-5-manufacture-import-vending-machines/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(a)(6) | [
"cfr_paragraph",
"restriction_type"
] | July 27, 2026 | 700 | 84-54-a-6-manufacture-import-refrigerated-transport-intermodal-containers | manufacture/import | refrigerated transport—intermodal containers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 6 ) Effective July 27, 2026, refrigerated transport—intermodal containers with a box temperature of −35 °C (−31 °F) or higher using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater. | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-6-manufacture-import-refrigerated-transport-intermodal-containers/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a box temperature of −35 °C (−31 °F) or higher | null |
§ 84.54(a)(7) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | named list | 84-54-a-7-manufacture-import-self-contained-products-in-refrigerated-transport-road-and-refrigerated-transpor | manufacture/import | self-contained products in refrigerated transport—road and refrigerated transport—marine subsectors | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 7 ) Effective January 1, 2025, self-contained products in refrigerated transport—road and refrigerated transport—marine subsectors using any of the following: R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-7-manufacture-import-self-contained-products-in-refrigerated-transport-road-and-refrigerated-transpor/ | [
"conditions",
"effective_date",
"sector"
] | R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/600a (55/1/42.5/1.5), RS-44 (2003 formulation) or GHG-X5 | null |
§ 84.54(a)(8)(i)(A) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 150 | 84-54-a-8-i-a-manufacture-import-self-contained-automatic-commercial-ice-machines | manufacture/import | Self-contained automatic commercial ice machines | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 8 ) Self-contained automatic commercial ice machines as follows: ( i ) Effective January 1, 2026, ice maker products with a harvest rate as determined in accordance with <https://www.ecfr.gov/current/title-10/section-431.134> 10 CFR 431.134 , using a regulated substance, or a blend containing a regulated substance, w... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-8-i-a-manufacture-import-self-contained-automatic-commercial-ice-machines/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a harvest rate less than or equal to 1,000 pounds of ice per 24 hours | null |
§ 84.54(a)(8)(i)(B) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 150 | 84-54-a-8-i-b-manufacture-import-self-contained-automatic-commercial-ice-machines | manufacture/import | Self-contained automatic commercial ice machines | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 8 ) Self-contained automatic commercial ice machines as follows: ( i ) Effective January 1, 2026, ice maker products with a harvest rate as determined in accordance with <https://www.ecfr.gov/current/title-10/section-431.134> 10 CFR 431.134 , using a regulated substance, or a blend containing a regulated substance, w... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-8-i-b-manufacture-import-self-contained-automatic-commercial-ice-machines/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a harvest rate less than or equal to 1,200 pounds of ice per 24 hours | null |
§ 84.54(a)(8)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | named list | 84-54-a-8-ii-manufacture-import-batch-type-ice-maker-products | manufacture/import | batch type ice maker products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2027, batch type ice maker products, as defined in <https://www.ecfr.gov/current/title-10/section-431.132> 10 CFR 431.132 , with a harvest rate greater than 1,000 pounds of ice per 24 hours, as determined in accordance with <https://www.ecfr.gov/current/title-10/section-431.134> 10 CFR 431.1... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-8-ii-manufacture-import-batch-type-ice-maker-products/ | [
"conditions",
"effective_date",
"sector"
] | with a harvest rate greater than 1,000 pounds of ice per 24 hours | null |
§ 84.54(a)(8)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | named list | 84-54-a-8-ii-manufacture-import-continuous-type-ice-machine-products | manufacture/import | continuous type ice machine products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2027, batch type ice maker products, as defined in <https://www.ecfr.gov/current/title-10/section-431.132> 10 CFR 431.132 , with a harvest rate greater than 1,000 pounds of ice per 24 hours, as determined in accordance with <https://www.ecfr.gov/current/title-10/section-431.134> 10 CFR 431.1... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-8-ii-manufacture-import-continuous-type-ice-machine-products/ | [
"conditions",
"effective_date",
"sector"
] | with a harvest rate greater than 1,200 pounds of ice per 24 hours | null |
§ 84.54(a)(9)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | 150 | 84-54-a-9-i-manufacture-import-self-contained-refrigerated-food-processing-and-dispensing-products | manufacture/import | Self-contained refrigerated food processing and dispensing products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 9 ) Self-contained refrigerated food processing and dispensing products as follows: ( i ) Effective January 1, 2027, products outside the scope of UL 621, “Ice Cream Makers,” Edition 7, dated May 07, 2010, with revisions through September 16, 2020, as of December 26, 2023, with refrigerant charge sizes less than or e... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-9-i-manufacture-import-self-contained-refrigerated-food-processing-and-dispensing-products/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with refrigerant charge sizes less than or equal to 500 g | null |
§ 84.54(a)(9)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | named list | 84-54-a-9-ii-manufacture-import-self-contained-refrigerated-food-processing-and-dispensing-products | manufacture/import | Self-contained refrigerated food processing and dispensing products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 9 ) Self-contained refrigerated food processing and dispensing products as follows: ( i ) Effective January 1, 2027, products outside the scope of UL 621, “Ice Cream Makers,” Edition 7, dated May 07, 2010, with revisions through September 16, 2020, as of December 26, 2023, with refrigerant charge sizes less than or e... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-9-ii-manufacture-import-self-contained-refrigerated-food-processing-and-dispensing-products/ | [
"conditions",
"effective_date",
"sector"
] | with refrigerant charge sizes greater than 500 g | null |
§ 84.54(a)(9)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | named list | 84-54-a-9-iii-manufacture-import-refrigerated-food-processing-and-dispensing-products | manufacture/import | refrigerated food processing and dispensing products | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( iii ) Effective January 1, 2028, for refrigerated food processing and dispensing products within the scope of UL 621, “Ice Cream Makers,” Edition 7, dated May 7, 2010, with revisions through September 16, 2020, as of December 26, 2023, using any of the following: R-402A, R-402B, R-404A, R-407A, R-407B, R-407C, R-407F... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-a-9-iii-manufacture-import-refrigerated-food-processing-and-dispensing-products/ | [
"conditions",
"effective_date",
"sector"
] | within the scope of UL 621 | null |
§ 84.54(b) | [
"cfr_paragraph",
"restriction_type"
] | three years after the dates listed for each subsector | null | 84-54-b-sale-distribution-any-product-that-uses-a-regulated-substance-as-listed-in-paragraph-a | sale/distribution | any product that uses a regulated substance as listed in paragraph (a) | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( b ) Effective three years after the dates listed for each subsector in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(a)> paragraph (a) of this section, no person may sell, distribute, offer for sale or distribution, make available for sale or distribution, purchase or receive for sale or distribution, ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-b-sale-distribution-any-product-that-uses-a-regulated-substance-as-listed-in-paragraph-a/ | [
"effective_date",
"sector"
] | null | null |
§ 84.54(c)(1) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-c-1-installation-residential-or-light-commercial-air-conditioning-or-heat-pump-systems | installation | residential or light commercial air-conditioning or heat pump systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 1 ) Effective January 1, 2025, residential or light commercial air-conditioning or heat pump systems using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater, except for variable refrigerant flow air-conditioning and heat pump systems. New residential... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-1-installation-residential-or-light-commercial-air-conditioning-or-heat-pump-systems/ | [
"conditions",
"effective_date",
"exemptions",
"gwp_limit",
"sector"
] | may continue to be installed where all specified components of that system are manufactured or imported prior to January 1, 2025 | except for variable refrigerant flow air-conditioning and heat pump systems |
§ 84.54(c)(10)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 150 | 84-54-c-10-i-installation-industrial-process-refrigeration-systems-other-than-chiller-systems | installation | Industrial process refrigeration systems, other than chiller systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Industrial process refrigeration systems, other than chiller systems, as follows: ( i ) Effective January 1, 2026, systems with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), that are not the high temperature side o... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-10-i-installation-industrial-process-refrigeration-systems-other-than-chiller-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | systems with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), that are not the high temperature side of a cascade system | null |
§ 84.54(c)(10)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 300 | 84-54-c-10-ii-installation-industrial-process-refrigeration-systems-other-than-chiller-systems | installation | Industrial process refrigeration systems, other than chiller systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Industrial process refrigeration systems, other than chiller systems, as follows: ( i ) Effective January 1, 2026, systems with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), that are not the high temperature side o... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-10-ii-installation-industrial-process-refrigeration-systems-other-than-chiller-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | systems with a refrigerant charge capacity less than 200 pounds and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) | null |
§ 84.54(c)(10)(iii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 300 | 84-54-c-10-iii-installation-industrial-process-refrigeration-systems-other-than-chiller-systems | installation | Industrial process refrigeration systems, other than chiller systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Industrial process refrigeration systems, other than chiller systems, as follows: ( i ) Effective January 1, 2026, systems with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), that are not the high temperature side o... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-10-iii-installation-industrial-process-refrigeration-systems-other-than-chiller-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | the high temperature side of cascade systems with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F) | null |
§ 84.54(c)(10)(iv) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 700 | 84-54-c-10-iv-installation-industrial-process-refrigeration-systems-other-than-chiller-systems | installation | Industrial process refrigeration systems, other than chiller systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 10 ) Industrial process refrigeration systems, other than chiller systems, as follows: ( i ) Effective January 1, 2026, systems with a refrigerant charge capacity of 200 pounds or greater and with the refrigerant temperature entering the evaporator higher than −30 °C (−22 °F), that are not the high temperature side o... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-10-iv-installation-industrial-process-refrigeration-systems-other-than-chiller-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the refrigerant entering the evaporator is greater than or equal to −50 °C (−58 °F) and is less than or equal to −30 °C (−22 °F) | null |
§ 84.54(c)(10)(v) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2030 | null | 84-54-c-10-v-installation-systems-used-in-the-manufacture-of-semiconductors | installation | Systems used in the manufacture of semiconductors | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( v ) Systems used in the manufacture of semiconductors with a charge size of 100 pounds or less must comply with the restrictions of <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(c)(10)(ii)> paragraphs (c)(10)(ii) through <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(c)(10)(iv)> (iv) of t... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-10-v-installation-systems-used-in-the-manufacture-of-semiconductors/ | [
"conditions",
"effective_date",
"sector"
] | with a charge size of 100 pounds or less | null |
§ 84.54(c)(11)(i) | [
"cfr_paragraph",
"restriction_type"
] | July 27, 2026 | 1,400 | 84-54-c-11-i-installation-remote-condensing-units-in-retail-food-refrigeration-systems | installation | remote condensing units in retail food refrigeration systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( i ) Effective July 27, 2026, remote condensing units in retail food refrigeration systems using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 1,400 or greater; and | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-11-i-installation-remote-condensing-units-in-retail-food-refrigeration-systems/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(11)(ii)(A) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 150 | 84-54-c-11-ii-a-installation-remote-condensing-units-in-retail-food-refrigeration-systems | installation | remote condensing units in retail food refrigeration systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, remote condensing units in retail food refrigeration systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, usin... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-11-ii-a-installation-remote-condensing-units-in-retail-food-refrigeration-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system | null |
§ 84.54(c)(11)(ii)(B) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-11-ii-b-installation-remote-condensing-units-in-retail-food-refrigeration-systems | installation | remote condensing units in retail food refrigeration systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, remote condensing units in retail food refrigeration systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, usin... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-11-ii-b-installation-remote-condensing-units-in-retail-food-refrigeration-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity less than 200 pounds | null |
§ 84.54(c)(11)(ii)(C) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-11-ii-c-installation-remote-condensing-units-in-retail-food-refrigeration-systems | installation | remote condensing units in retail food refrigeration systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, remote condensing units in retail food refrigeration systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, usin... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-11-ii-c-installation-remote-condensing-units-in-retail-food-refrigeration-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Cascade refrigerant systems using a regulated substance, or a blend containing a regulated substance, on the high temperature side of the system | null |
§ 84.54(c)(12)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | 1,400 | 84-54-c-12-i-installation-supermarket-systems | installation | supermarket systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( i ) Effective January 1, 2027, supermarket systems using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 1,400 or greater; and | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-12-i-installation-supermarket-systems/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(12)(ii)(A) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 150 | 84-54-c-12-ii-a-installation-supermarket-systems | installation | supermarket systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, supermarket systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a blend conta... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-12-ii-a-installation-supermarket-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system | null |
§ 84.54(c)(12)(ii)(B) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-12-ii-b-installation-supermarket-systems | installation | supermarket systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, supermarket systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a blend conta... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-12-ii-b-installation-supermarket-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity less than 200 pounds | null |
§ 84.54(c)(12)(ii)(C) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-12-ii-c-installation-supermarket-systems | installation | supermarket systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, supermarket systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a blend conta... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-12-ii-c-installation-supermarket-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Cascade refrigerant systems using a regulated substance, or a blend containing a regulated substance, on the high temperature side of the system | null |
§ 84.54(c)(13) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | 700 | 84-54-c-13-installation-data-center-information-technology-equipment-facility-and-computer-room-cooling- | installation | data center, information technology equipment facility, and computer room cooling systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 13 ) Effective January 1, 2027, data center, information technology equipment facility, and computer room cooling systems using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-13-installation-data-center-information-technology-equipment-facility-and-computer-room-cooling-/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(14) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | named list | 84-54-c-14-installation-automatic-commercial-ice-machines-with-a-remote-condenser | installation | automatic commercial ice machines with a remote condenser | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 14 ) Effective January 1, 2027, automatic commercial ice machines with a remote condenser using any of the following: R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/600a (55/1/42.5/1.5), RS-44 (2003 formula... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-14-installation-automatic-commercial-ice-machines-with-a-remote-condenser/ | [
"conditions",
"effective_date",
"sector"
] | R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/600a (55/1/42.5/1.5), RS-44 (2003 formulation), or GHG-X5 | null |
§ 84.54(c)(15) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2027 | named list | 84-54-c-15-installation-refrigerated-food-processing-and-dispensing-equipment-with-a-remote-condenser | installation | refrigerated food processing and dispensing equipment with a remote condenser | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 15 ) Effective January 1, 2027, refrigerated food processing and dispensing equipment with a remote condenser using any of the following: R-402A, R-402B, R-404A, R-407A, R-407B, R-407C, R-407F, R-407H, R-408A, R-410A, R-410B, R-411A, R-411B, R-417A, R-417C, R-420A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-42... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-15-installation-refrigerated-food-processing-and-dispensing-equipment-with-a-remote-condenser/ | [
"conditions",
"effective_date",
"sector"
] | R-402A, R-402B, R-404A, R-407A, R-407B, R-407C, R-407F, R-407H, R-408A, R-410A, R-410B, R-411A, R-411B, R-417A, R-417C, R-420A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-426A, R-427A, R-428A, R-434A, R-437A, R-438A, R-507A, HFC-134a, HFC-227ea, R-125/290/134a/600a (55/1/42.5/1.5), RB-276, RS-24 (2002 fo... | null |
§ 84.54(c)(2) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 700 | 84-54-c-2-installation-variable-refrigerant-flow-systems-for-use-as-residential-or-light-commercial-air | installation | variable refrigerant flow systems for use as residential or light commercial air-conditioning or heat pumps | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 2 ) Effective January 1, 2026, variable refrigerant flow systems for use as residential or light commercial air-conditioning or heat pumps, using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater. Such new variable refrigerant flow systems using a re... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-2-installation-variable-refrigerant-flow-systems-for-use-as-residential-or-light-commercial-air/ | [
"conditions",
"effective_date",
"exemptions",
"gwp_limit",
"sector"
] | may be installed prior to January 1, 2027, where all specified components of that system are manufactured or imported prior to January 1, 2026 | may be installed prior to January 1, 2028, when an approved building permit issued prior to October 5, 2023, specifies the use of a restricted regulated substance |
§ 84.54(c)(3) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-c-3-installation-chillers-for-comfort-cooling | installation | chillers for comfort cooling | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 3 ) Effective January 1, 2025, chillers for comfort cooling using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-3-installation-chillers-for-comfort-cooling/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(4) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | 700 | 84-54-c-4-installation-ice-rinks | installation | ice rinks | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 4 ) Effective January 1, 2025, ice rinks using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-4-installation-ice-rinks/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(5)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2026 | 700 | 84-54-c-5-i-installation-chillers-for-industrial-process-refrigeration | installation | chillers for industrial process refrigeration | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( i ) Effective January 1, 2026, chillers for industrial process refrigeration where the temperature of the fluid exiting the chiller is greater than -30 °C (−22 °F) using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; and | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-5-i-installation-chillers-for-industrial-process-refrigeration/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the fluid exiting the chiller is greater than -30 °C (−22 °F) | null |
§ 84.54(c)(5)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2030 | null | 84-54-c-5-ii-installation-chillers | installation | Chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Chillers subject to <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(c)(5)(i)> paragraph (c)(5)(i) of this section with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors must comply with the restriction of <https://www.ecfr.gov/current/title-40/sec... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-5-ii-installation-chillers/ | [
"conditions",
"effective_date",
"sector"
] | with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors | null |
§ 84.54(c)(6)(i) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2028 | 700 | 84-54-c-6-i-installation-chillers-for-industrial-process-refrigeration | installation | chillers for industrial process refrigeration | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( i ) Effective January 1, 2028, chillers for industrial process refrigeration where the temperature of the fluid exiting the chiller is greater than or equal to −50 °C (−58 °F) and less than or equal to −30 °C (−22 °F) using a regulated substance, or a blend containing a regulated substance, with a global warming pote... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-6-i-installation-chillers-for-industrial-process-refrigeration/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | where the temperature of the fluid exiting the chiller is greater than or equal to −50 °C (−58 °F) and less than or equal to −30 °C (−22 °F) | null |
§ 84.54(c)(6)(ii) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2030 | null | 84-54-c-6-ii-installation-chillers | installation | Chillers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Chillers subject to <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(c)(6)(i)> paragraph (c)(6)(i) of this section with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors must comply with the restriction of <https://www.ecfr.gov/current/title-40/sec... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-6-ii-installation-chillers/ | [
"conditions",
"effective_date",
"sector"
] | with a refrigerant charge capacity of 100 pounds or less that are used in the manufacture of semiconductors | null |
§ 84.54(c)(7) | [
"cfr_paragraph",
"restriction_type"
] | July 27, 2026 | 700 | 84-54-c-7-installation-refrigerated-transport-intermodal-containers | installation | refrigerated transport—intermodal containers | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 7 ) Effective July 27, 2026, refrigerated transport—intermodal containers with a box temperature of −35 °C (−31 °F) or higher using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater. | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-7-installation-refrigerated-transport-intermodal-containers/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | with a box temperature of −35 °C (−31 °F) or higher | null |
§ 84.54(c)(8) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2025 | named list | 84-54-c-8-installation-refrigerated-transport-road-or-refrigerated-transport-marine-systems | installation | refrigerated transport—road or refrigerated transport—marine systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( 8 ) Effective January 1, 2025, refrigerated transport—road or refrigerated transport—marine systems using any of the following: R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/600a (55/1/42.5/1.5), RS-44 (20... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-8-installation-refrigerated-transport-road-or-refrigerated-transport-marine-systems/ | [
"conditions",
"effective_date",
"sector"
] | R-402A, R-402B, R-404A, R-407B, R-408A, R-410B, R-417A, R-421A, R-421B, R-422A, R-422B, R-422C, R-422D, R-424A, R-428A, R-434A, R-438A, R-507A, R-125/290/134a/600a (55/1/42.5/1.5), RS-44 (2003 formulation) or GHG-X5 | null |
§ 84.54(c)(9)(i) | [
"cfr_paragraph",
"restriction_type"
] | July 27, 2026 | 700 | 84-54-c-9-i-installation-cold-storage-warehouse-systems | installation | cold storage warehouse systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( i ) Effective July 27, 2026, cold storage warehouse systems using a regulated substance, or a blend containing a regulated substance, with a global warming potential of 700 or greater; and | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-9-i-installation-cold-storage-warehouse-systems/ | [
"effective_date",
"gwp_limit",
"sector"
] | null | null |
§ 84.54(c)(9)(ii)(A) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 150 | 84-54-c-9-ii-a-installation-cold-storage-warehouse-systems | installation | cold storage warehouse systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, cold storage warehouse systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-9-ii-a-installation-cold-storage-warehouse-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system | null |
§ 84.54(c)(9)(ii)(B) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-9-ii-b-installation-cold-storage-warehouse-systems | installation | cold storage warehouse systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, cold storage warehouse systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-9-ii-b-installation-cold-storage-warehouse-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Systems with a refrigerant charge capacity less than 200 pounds | null |
§ 84.54(c)(9)(ii)(C) | [
"cfr_paragraph",
"restriction_type"
] | January 1, 2032 | 300 | 84-54-c-9-ii-c-installation-cold-storage-warehouse-systems | installation | cold storage warehouse systems | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( ii ) Effective January 1, 2032, cold storage warehouse systems using a regulated substance, or a blend containing a regulated substance, as follows: ( A ) Systems with a refrigerant charge capacity of 200 pounds or greater, that are not the high temperature side of a cascade system, using a regulated substance, or a ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-c-9-ii-c-installation-cold-storage-warehouse-systems/ | [
"conditions",
"effective_date",
"gwp_limit",
"sector"
] | Cascade refrigerant systems using a regulated substance, or a blend containing a regulated substance, on the high temperature side of the system | null |
§ 84.54(d) | [
"cfr_paragraph",
"restriction_type"
] | extended one year beyond the specified compliance date | null | 84-54-d-installation-industrial-process-refrigeration-systems-with-a-january-1-2026-compliance-date-r | installation | industrial process refrigeration systems with a January 1, 2026, compliance date, retail food—supermarket, cold storage warehouse, and ice rink subsectors | https://www.ecfr.gov/current/title-40/chapter-I/subchapter-C/part-84 | ( d ) The compliance date for the installation of a system in <https://www.ecfr.gov/current/title-40/section-84.54#p-84.54(c)> paragraph (c) of this section for the industrial process refrigeration systems with a January 1, 2026, compliance date, retail food—supermarket, cold storage warehouse, and ice rink subsectors ... | https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/84-54-d-installation-industrial-process-refrigeration-systems-with-a-january-1-2026-compliance-date-r/ | [
"conditions",
"effective_date",
"sector"
] | when an approved building permit issued prior to October 5, 2023, specifies the use of a restricted regulated substance | null |
US AIM Act sector-specific refrigerant GWP limits and compliance dates (40 CFR 84.54)
Canonical, always-current version: https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/ Machine-readable: https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/data.json — this mirror is a point-in-time copy.
- Last verified: 2026-08-06
- Stale after: 2027-02-02 (past this date, prefer the canonical copy — it re-verifies on a cadence this snapshot does not)
- Records: 71
Federal sector-specific maximum GWP values for refrigerants and HFC-containing products under the AIM Act Technology Transitions rule (40 CFR 84.54). Each record is one sector/subsector with the GWP ceiling, the effective date for manufacture/import restrictions, the effective date for installation restrictions (often different), equipment size or temperature conditions, and any exemptions. Answers 'what is the maximum GWP refrigerant I can use in a new supermarket system?', 'when does the R-410A ban take effect for residential AC?', 'is there an exemption for semiconductor manufacturing chillers?', and 'what changed in the May 2026 reconsideration rule?' — questions where the answer depends on the sector, the date, the equipment size, and the temperature range, and where assistants typically give the residential AC answer (700 GWP) regardless of the sector.
Provenance — what every record carries
Every record carries source (the URL the value was read from) and
source_quote (a verbatim quote from that page stating it). A value you
cannot check against its page is indistinguishable from an invented one;
these can all be checked. Each record is also individually addressable on
the canonical site at its url.
Licence position
US federal regulation, public domain. 40 CFR Part 84 is government work published at ecfr.gov.
Facts are not copyrightable; what this dataset takes from each source is a fact plus a short attributed quote linking back to the page that states it.
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Fields
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and the canonical page for each record renders them with labels:
https://referencesource.org/aim-act-refrigerant-gwp-sector-limits/
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