[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[S. 4312 Introduced in Senate (IS)]

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119th CONGRESS
  2d Session
                                S. 4312

  To amend the National Energy Conservation Policy Act to include the 
 installation of mechanical insulation property as an energy or water 
              efficiency measure, and for other purposes.


_______________________________________________________________________


                   IN THE SENATE OF THE UNITED STATES

               April 16 (legislative day, April 14), 2026

Ms. Cortez Masto (for herself and Mr. Daines) introduced the following 
bill; which was read twice and referred to the Committee on Energy and 
                           Natural Resources

_______________________________________________________________________

                                 A BILL


 
  To amend the National Energy Conservation Policy Act to include the 
 installation of mechanical insulation property as an energy or water 
              efficiency measure, and for other purposes.

    Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Federal Mechanical Insulation Act of 
2026''.

SEC. 2. INSTALLATION OF MECHANICAL INSULATION PROPERTY AS AN ENERGY OR 
              WATER EFFICIENCY MEASURE IN FEDERAL BUILDINGS.

    Section 543(f) of the National Energy Conservation Policy Act (42 
U.S.C. 8253(f)) is amended--
            (1) in paragraph (1)--
                    (A) by redesignating subparagraphs (E) through (H) 
                as subparagraphs (F) through (I), respectively; and
                    (B) by inserting after subparagraph (D) the 
                following:
                    ``(E) Mechanical insulation property.--The term 
                `mechanical insulation property' means insulation 
                material, facing, or accessory product that--
                            ``(i) is placed into service--
                                    ``(I) in connection with a 
                                mechanical system; and
                                    ``(II) in a manner that meets or 
                                exceeds the minimum requirements of 
                                Standard 90.1 of the American Society 
                                of Heating, Refrigerating and Air-
                                Conditioning Engineers (as in effect on 
                                the date of enactment of the Federal 
                                Mechanical Insulation Act of 2026); and
                            ``(ii) results in a reduction in energy 
                        loss from the mechanical system.''; and
            (2) in paragraph (3)(A), 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''.
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