EPA’s Work on HFCs
The American Innovation and Manufacturing (AIM) Act authorizes EPA to address hydrofluorocarbons (HFCs) by: phasing down their production and consumption, maximizing reclamation and minimizing releases from equipment, and facilitating the transition to next-generation technologies through sector-based restrictions on HFCs. This website provides information on HFCs and the AIM Act.
What's New
- EPA issues calendar year 2026 HFC allowances set aside for MDIs
- EPA Administrator signs final rule reconsidering certain requirements under the Technology Transitions provisions of the AIM Act
- EPA Administrator signs proposed rule exempting road and intermodal container transport refrigeration units from HFC leak repair requirements
- EPA issues enforcement statement related to Technology Transitions Reconsideration Proposed Rule
- Frequent Questions on the Phasedown of HFCs (updated 12/5/2025)
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HFC Allowance Allocation and Reporting
Learn about production and import restrictions, the allocation of allowances, and reporting requirements.
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Technology Transitions
Learn about EPA's work facilitating the transition to climate friendly alternatives and the petition process under subsection (i) of the AIM Act.
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Managing HFC Use and Reuse
Learn about how EPA is managing the use and reuse of HFCs and substitutes under subsection (h) of the AIM Act.
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HFC Data Hub
Explore HFC Data, including calculated consumption and production and allowances expended.
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Notices and Rulemakings
Access a list of notices, rulemakings, and petitions under all programmatic areas of the AIM Act.
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Public Meetings and Other Resources
Register for upcoming public meetings, access content from past meetings, and learn more about the Kigali Amendment, enforcement, and Inflation Reduction Act Provisions related to the AIM Act.