CFR›Title 10›Chapter II›Part 431›Subpart G›Subject Group Test Procedures ContainsSections 431.105–431.106CorpusDaily eCFRDisplayed edition2026-04-15Last updated2026-04-15 Sections 431.105 § 431.105 Materials incorporated by reference. 431.106 § 431.106 Uniform test method for the measurement of energy efficiency of commercial water heating equipment. Previous Energy Conservation Standards Energy Conservation Standards