IB
Union Calendar No. 411
119th CONGRESS
2d Session
H. R. 3474
[Report No. 119–481]
IN THE HOUSE OF REPRESENTATIVES
May 15, 2025
Mr. Weber of Texas (for himself and Ms. Sánchez) introduced the following bill; which was referred to the Committee on Energy and Commerce
February 4, 2026
Additional 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, 2026
Committed 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.
Short title
This Act may be cited as the Federal Mechanical Insulation Act
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Installation of mechanical insulation property as an energy or water efficiency measure in Federal buildings
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:
Mechanical insulation property
The term mechanical insulation property means insulation materials, facings, and accessory products—
placed in service—
in connection with a mechanical system; and
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
which result in a reduction in energy loss from the mechanical system.
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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, 2026
Committed to the Committee of the Whole House on the State of the Union and ordered to be printed