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Introduced

HB4663: Federal Mechanical Insulation Act

: Randy Weber (R-US) : May 25, 2026 Updated: Jul 21, 2023
Energy
Bill ProgressIntroduced
  1. 1Introduced (current step)
  2. 2Passed One Chamber
  3. 3Passed Both Chambers
  4. 4Became Law

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Bill information

Summary

To clarify that installation of mechanical insulation property is as 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.

Plain-language summary

This bill clarifies that mechanical insulation—materials added to pipes and equipment to prevent heat or cooling loss—qualifies as an energy or water efficiency improvement under federal building rules. The bill amends the National Energy Conservation Policy Act, a law governing how federal buildings manage energy use. It affects federal buildings and facilities that may use insulation upgrades as part of efficiency projects. The bill is currently introduced and has not yet been assigned to a for consideration.

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HB4663: Federal Mechanical Insulation Act

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