# Energy Conservation Program: Energy Conservation Standards for Commercial Water Heating Equipment
> **US Department of Energy** · Final rule. · Published 2023-10-06 · Effective 2023-12-05 · 88 FR 69686
## Document
- **Document number:** 2023-20392
- **Category:** energy-efficiency
- **Sub-agency:** US Department of Energy
- **Federal Register citation:** 88 FR 69686
- **CFR reference:** 10 CFR 431
- **Publication date:** 2023-10-06
- **Effective date:** 2023-12-05
- **Energy docket:** EERE-2021-BT-STD-0027
## Abstract

The Energy Policy and Conservation Act, as amended ("EPCA"), prescribes energy conservation standards for various consumer products and certain commercial and industrial equipment, including Commercial Water Heating ("CWH") equipment. EPCA also requires the U.S. Department of Energy ("DOE") to periodically review standards. In this final rule, DOE is adopting amended energy conservation standards for CWH equipment.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2023/10/06/2023-20392/energy-conservation-program-energy-conservation-standards-for-commercial-water-heating-equipment)
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