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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:

Filters    
PetitionerReceipt DateTopicPlease Submit Information to the Docket by*:Status
Coalition for the Use of Safe and Efficient Refrigerants, Inc. (CUSER)3/6/2025Use of HFCs in Cold Storage Warehouses7/16/2025N/A
A.V.W Inc.a12/15/2022Use of HFCs in Gas Canisters2/21/2023Denied
Gebauer Companyb9/23/2022Use of HFCs in Medical Devices11/30/2022Denied
International Institute of Ammonia Refrigeration (IIAR), et al.c5/23/2022Restrict the Use of HFCs in Certain Refrigeration End-Uses7/29/2022Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.d3/24/2022Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment6/3/2022Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.e10/12/2021Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment1/4/2022Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.f8/19/2021Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment10/6/2021Granted
California Air Resources Board (CARB), et al.g7/15/2021Replicate HFC Prohibitions from SNAP Rules 20 & 21 and Issue Additional Federal Standards8/20/2021Partially Granted
Household & Commercial Products Association (HCPA) and National Aerosol Association (NAA)h7/6/2021Replicate SNAP Rules 20 and 21 HFC prohibitions for Aerosol Propellants8/20/2021Granted
International Institute of Ammonia Refrigeration (IIAR), et al.i6/3/2021Restrict the Use of HFCs in Certain Refrigeration End-Uses7/12/2021Granted
American Chemistry Council’s Center for the Polyurethanes Industry (CPI)j5/26/2021Replicate SNAP Rules 20 and 21 HFC Prohibitions for the Polyurethane Industry7/12/2021Granted
DuPontk5/10/2021Replicate SNAP Rule 20 with Regard to the Phase-out of HFC-134a in Extruded Polystyrene Boardstock and Billet (XPS) End-use6/28/2021Granted
DuPontl5/10/2021Replicate SNAP Rule 21 with Regard to Rigid Polyurethane Low-pressure Two-component Spray Foam (2K-LP SPF) End-use6/28/2021Granted
Institute for Governance & Sustainable Development (IGSD)m5/3/2021Prohibit 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 Label6/28/2021N/A
Association of Home Appliance Manufacturers (AHAM)n4/13/2021Restrict the Use of HFCs in Certain Air Conditioners and Dehumidifiers6/8/2021Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.o4/13/2021Restrict the Use of HFCs in Certain Commercial Refrigeration Equipment6/8/2021Granted
Air-Conditioning, Heating, and Refrigeration Institute (AHRI), et al.p4/13/2021Restrict the Use of HFCs in Residential and Light Commercial Air Conditioners6/8/2021Granted
Environmental Investigation Agency (EIA), et al.q4/13/2021Restrict the Use of HFCs in Certain Stationary Refrigeration and Air Conditioning End-uses6/8/2021Granted
Natural Resources Defense Council (NRDC), et al.r4/13/2021Replicate HFC Prohibitions from SNAP Rules 20 & 216/8/2021Granted

*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
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    • HFC-23 Emissions
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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 September 30, 2025
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