Energy & environment · 31/03/2011Updated: 10/17/2026 · 1 min read
U.S. Department of Energy Grants 180-Day Extension for Residential Furnace and Boiler Compliance
Summary
The U.S. Department of Energy has granted a 180-day extension to 27 manufacturers to comply with recent amendments to the test procedure for residential furnaces and boilers, citing undue hardship in meeting the original deadline.