# Phasedown of Hydrofluorocarbons: Technology Transitions Program Residential and Light Commercial Air Conditioning and Heat Pump Subsector
> **Rule** · Interim final rule and request for comments. · Published 2023-12-26 · Effective 2023-12-26 · 88 FR 88825
## Document
- **Document number:** 2023-28500
- **Category:** other
- **Federal Register citation:** 88 FR 88825
- **CFR reference:** 40 CFR 84
- **Publication date:** 2023-12-26
- **Effective date:** 2023-12-26
- **EPA docket:** EPA-HQ-OAR-2021-0643
## Abstract

The U.S. Environmental Protection Agency is amending a provision of the recently finalized Technology Transitions Program under the American Innovation and Manufacturing Act (AIM Act). This action allows one additional year, until January 1, 2026, solely for the installation of new residential and light commercial air conditioning and heat pump systems using components manufactured or imported prior to January 1, 2025. The existing January 1, 2025, compliance date for the installation of certain residential and light commercial air conditioning and heat pump systems may result in significant stranded inventory that was intended for new residential construction. EPA is promulgating this action to mitigate the potential for significant stranded inventory in this subsector. In addition, EPA is clarifying that residential ice makers are not included in the household refrigerator and freezer subsector under the Technology Transitions Rule and are not subject to the restrictions for that subsector. EPA is requesting comments on all aspects of this rule.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/12/26/2023-28500/phasedown-of-hydrofluorocarbons-technology-transitions-program-residential-and-light-commercial-air)
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