Research ReportCRS ReportVersion 3
R43815
Energy Efficiency: DOE’s Regional Standards for Indoor (Non-Weatherized) Residential Gas Furnaces
Published Nov 21, 2014Updated Jun 20, 2025
Full report
What this is
The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.