2025-19812 · Proposed rule or notice
Protection of Stratospheric Ozone: Listing of Substitutes Under the Significant New Alternatives Policy Program in Refrigeration and Air Conditioning and Fire Suppression
- Jurisdiction
- Federal
- Current status
- Proposed Rule
- Issuing body / sponsor
- Environmental Protection Agency
A proposal or notice is not a final requirement.
Latest action
Proposed rule.
Nov 10, 2025
Subject areas
Policy mechanisms
No policy mechanisms are assigned.
Tracker tags, not legal conclusions.
Quick summary
Pursuant to the U.S. Environmental Protection Agency's Significant New Alternatives Policy program, this action proposes to list several substitutes as acceptable, subject to use conditions, for residential and light commercial air conditioning and heat pumps, chillers, household refrigerators and freezers, motor vehicle air conditioning, and fire suppression and explosion protection. This action also proposes to update use conditions for substitutes previously listed for certain air conditioning end-uses and for water coolers.
Source-provided or tracker summary; not operative legal text.
Linked record: federalregister.gov. Inspect the source before relying on the tracker’s interpretation.