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H.R. 3474: Federal Mechanical Insulation Act

This bill, titled the Federal Mechanical Insulation Act, aims to define and classify the installation of mechanical insulation in federal buildings as an energy or water efficiency measure under existing laws. Here are the key points of the bill:

Definition of Mechanical Insulation

The bill expands the definition of "mechanical insulation property" to include:

  • Insulation materials used in connection with a mechanical system.
  • Installation that meets or exceeds the standards set by the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) Standard 90.1.
  • Insulation that results in a measurable reduction of energy loss from the mechanical system.

Impact on Energy and Water Evaluations

The bill modifies the requirements for energy and water evaluations in federal buildings. It specifies that these evaluations must include:

  • The identification of energy- and water-saving measures.
  • The inclusion of mechanical insulation property as a relevant measure when applicable.

Overall Purpose

The purpose of this legislation is to encourage the installation of mechanical insulation in federal buildings as a way to enhance energy and water efficiency. By formally recognizing mechanical insulation as a beneficial component in energy conservation efforts, the bill seeks to promote its use in future federal construction and renovation projects.

Relevant Companies

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Sponsors

37 bill sponsors

Actions

7 actions

Date Action
Dec. 03, 2025 Committee Consideration and Mark-up Session Held
Dec. 03, 2025 Ordered to be Reported by the Yeas and Nays: 51 - 0.
Nov. 19, 2025 Forwarded by Subcommittee to Full Committee by Voice Vote.
Nov. 19, 2025 Subcommittee Consideration and Mark-up Session Held
May. 15, 2025 Introduced in House
May. 15, 2025 Referred to the House Committee on Energy and Commerce.
May. 15, 2025 Referred to the Subcommittee on Energy.

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