H.R. 3474 — Reported in House

IB Union Calendar No. 411 119th CONGRESS 2d Session H. R. 3474 [Report No. 119–481] IN THE HOUSE OF REPRESENTATIVES May 15, 2025Mr. Weber of Texas (for himself and Ms. Sánchez) introduced the following bill; which was referred to the Committee on Energy and Commerce February 4, 2026Additional sponsors: Mr. Lawler, Ms. Scholten, Mrs. Torres of California, Mr. Fitzpatrick, Mr. Bilirakis, Mr. Garbarino, Mr. Tonko, Ms. Budzinski, Ms. Kelly of Illinois, Ms. Schakowsky, Mrs. Miller of Illinois, Mr. Babin, Mr. Bacon, Mr. Gimenez, Mrs. Miller-Meeks, Mrs. Fletcher, Ms. Schrier, Mr. Murphy, Mr. Mullin, Ms. Barragán, Mr. Davis of Illinois, Ms. Moore of Wisconsin, Mr. Nehls, Mr. Turner of Ohio, Mr. Vindman, Mr. Messmer, Mrs. Dingell, Mr. Davis of North Carolina, Mr. Kean, Mr. Hudson, Mr. Magaziner, Mr. Carter of Louisiana, Mr. Wittman, Mr. Smith of New Jersey, and Mr. Griffith February 4, 2026Committed to the Committee of the Whole House on the State of the Union and ordered to be printed A BILL To clarify that the installation of mechanical insulation property is an energy or water efficiency measure that may be used in Federal buildings for purposes of section 543(f) of the National Energy Conservation Policy Act, and for other purposes. 1. Short title This Act may be cited as the Federal Mechanical Insulation Act. 2. Installation of mechanical insulation property as an energy or water efficiency measure in Federal buildings (a) Definition of mechanical insulation property Section 543(f)(1) of the National Energy Conservation Policy Act (42 U.S.C. 8253(f)(1)) is amended by adding at the end the following: (I) Mechanical insulation property The term mechanical insulation property means insulation materials, facings, and accessory products— (i) placed in service— (I) in connection with a mechanical system; and (II) in a manner that meets or exceeds the minimum requirements of the American Society of Heating, Refrigerating and Air-Conditioning Engineers Standard 90.1, as in effect on the date of enactment of this subparagraph; and (ii) which result in a reduction in energy loss from the mechanical system. . (b) Comprehensive energy and water evaluations Section 543(f)(3)(A) of the National Energy Conservation Policy Act (42 U.S.C. 8253(f)(3)(A)) is amended by inserting , including identification of energy- and water-saving measures (including the installation of mechanical insulation property, if applicable), after a comprehensive energy and water evaluation. February 4, 2026Committed to the Committee of the Whole House on the State of the Union and ordered to be printed