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Petition Status for Technology Transitions

This page features the status of petitions to restrict hydrofluorocarbons (HFCs) in technology sectors or subsectors where they are used. It includes petitions that were submitted under subsection (i) of the AIM Act. It also includes a link at the bottom to petitions submitted for reconsideration and petitions for judicial review of certain Technology Transitions Program provisions.

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Status of Petitions Filed Under Subsection (i) of the AIM Act

This table presents the current status of petitions received from newest to oldest:

PetitionerReceipt DateTopicPlease Submit Information to the Docket by*:Status
Coalition for the Use of Safe and Efficient Refrigerants, Inc. (CUSER)2025-03-06Use of HFCs in Cold Storage Warehouses2025-07-16N/A
A.V.W Inc.2022-12-15Use of HFCs in Gas Canisters2023-02-21Denied
Gebauer Company2022-09-23Use of HFCs in Medical Devices2022-11-30Denied
International Institute of Ammonia Refrigeration (IIAR), et al.2022-05-23Restrict the Use of HFCs in Certain Refrigeration End-Uses2022-07-29Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.2022-03-24Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment2022-06-03Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.2021-10-12Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment2022-01-04Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.2021-08-19Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment2021-10-06Granted
California Air Resources Board (CARB), et al.2021-07-15Replicate HFC Prohibitions from SNAP Rules 20 & 21 and Issue Additional Federal Standards2021-08-20Partially Granted
Household & Commercial Products Association (HCPA) and National Aerosol Association (NAA)2021-07-06Replicate SNAP Rules 20 and 21 HFC prohibitions for Aerosol Propellants2021-08-20Granted
International Institute of Ammonia Refrigeration (IIAR), et al.2021-06-03Restrict the Use of HFCs in Certain Refrigeration End-Uses2021-07-12Granted
American Chemistry Council’s Center for the Polyurethanes Industry (CPI)2021-05-26Replicate SNAP Rules 20 and 21 HFC Prohibitions for the Polyurethane Industry2021-07-12Granted
DuPont2021-05-10Replicate SNAP Rule 20 with Regard to the Phase-out of HFC-134a in Extruded Polystyrene Boardstock and Billet (XPS) End-use2021-06-28Granted
DuPont2021-05-10Replicate SNAP Rule 21 with Regard to Rigid Polyurethane Low-pressure Two-component Spray Foam (2K-LP SPF) End-use2021-06-28Granted
Institute for Governance & Sustainable Development (IGSD)2021-05-03Prohibit the Sale of HFCs in Consumer Recharge Containers for Motor Vehicle Air Conditioning Systems and Consumer Appliances; Restrict the Use of HFCs in Products Earning the Voluntary Energy Star Label2021-06-28N/A
Association of Home Appliance Manufacturers (AHAM)2021-04-13Restrict the Use of HFCs in Certain Air Conditioners and Dehumidifiers2021-06-08Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.2021-04-13Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment2021-06-08Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.2021-04-13Restrict the Use of HFCs in Residential and Light Commercial Air Conditioners2021-06-08Granted
Environmental Investigation Agency (EIA), et al.2021-04-13Restrict the Use of HFCs in Certain Stationary Refrigeration and Air Conditioning End-uses2021-06-08Granted
Natural Resources Defense Council (NRDC), et al.2021-04-13Replicate HFC Prohibitions from SNAP Rules 20 & 212021-06-08Granted

*Note that the Agency will consider comments received by these deadlines in its evaluation to grant or deny petitions to meet the statutory deadlines required under the AIM Act. EPA may also consider information submitted after the deadlines in its decision on petitions or in developing any rulemaking related to petition(s) submitted under AIM Act subsection (i).

To view the petitions for reconsideration and petitions for judicial review that EPA received on the 2023 Technology Transitions Rule (88 FR 73098), please visit  Petitions for Reconsideration and Judicial Review of the 2023 Technology Transitions Rule.

 

Reducing HFCs

  • HFC Allowance Allocation and Reporting
    • Regulatory Actions
    • Administrative Consequences
    • HFC-23 Emissions
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  • Technology Transitions
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  • Managing Use and Reuse
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  • HFC Data Hub
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    • Petitions under the AIM Act
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Contact Us About Reducing HFCs
Contact Us About Reducing HFCs to ask a question, provide feedback, or report a problem.
Last updated on April 6, 2026
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