Congress·Reported·H.R. 3474

Make Pipe and Duct Insulation an Approved Energy Saver in Federal Buildings

Federal Mechanical Insulation Act

Legislative Progress

House

Senate

President

Law

Treats insulation on pipes, ducts, and equipment as an approved way to save energy and water in federal buildings
Tells agencies to look for chances to add this insulation during regular energy and water checkups
Aims to cut wasted heat, lower utility bills, and reduce pollution from government buildings
Likely creates steady work for insulation installers and suppliers without creating a new program or tax
Requires insulation work to follow national building efficiency standards for how it is installed

EnergyEnvironmentClimate ChangeInfrastructure

5 milestones9 actions

Feb 4, 2026House

Placed on the Union Calendar, Calendar No. 411.

Feb 4, 2026House

Reported by the Committee on Energy and Commerce. H. Rept. 119-481.

Dec 3, 2025House

Ordered to be Reported by the Yeas and Nays: 51 - 0.

Dec 3, 2025House

Committee Consideration and Mark-up Session Held

Nov 19, 2025House

Forwarded by Subcommittee to Full Committee by Voice Vote.

Document Type

Congressional Bill

Official Title

Federal Mechanical Insulation Act

Bill NumberHR 3474

Congress119th Congress

ChamberHouse of Representatives

Latest ActionPlaced on the Union Calendar, Calendar No. 411.

(36)

D: 18R: 18

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