10 CFR 431.76
§ 431.76 Uniform test method for the measurement of energy efficiency of commercial warm air furnaces.
United States · 10 CFR — Energy · Status: effective
Cite this
- Citation
- 10 CFR 431.76, § 431.76 Uniform test method for the measurement of energy efficiency of commercial warm air furnaces, United States, version 1 as recorded 2026-07-09, yourstate.us, https://yourstate.us/provision/39468
- Permanent ID
ys:prov:39468@1- SHA-256
b8d8fea9ac16bd3e7597c80244ec0ae43954dcf691de6e822626cfe6043ba024
The hash is SHA-256 of this version's text, with every run of whitespace collapsed to a single space and the ends trimmed. The ID always leads back here, and checking it says whether the text you cited is still the current version.
Full text
(a) Scope. This section prescribes the test requirements used to measure the energy efficiency of commercial warm air furnaces with a rated maximum input of 225,000 Btu per hour or more.
(b) Testing and calculations—(1) Thermal efficiency. Test in accordance with appendix A to subpart D of this part when making representations of thermal efficiency.
(2) Thermal efficiency two. Test in accordance with appendix B to subpart D of this part when making representations of thermal efficiency two.
Legislative history
This is a federal regulation, adopted through agency rulemaking under the Administrative Procedure Act — not enacted by a recorded vote of Congress.