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The U.S. Department of Energy is considering new energy efficiency standards for manufactured housing, and plans to release a supplemental notice of proposed rulemaking (SNOPR) by Aug. 16 that will be based on the 2021 version of the International Energy Conservation Code (IECC). The agency published a related notice on Wednesday, detailing plans to consider the air quality impacts of sealing manufactured homes more tightly.
Energy conservation portions of current manufactured housing regulations have not been adjusted since 1994, and according to the American Council for an Energy-Efficient Economy (ACEEE), these types of homes use 70% more energy per square foot than traditional “stick-built” homes.
Roughly 7 million manufactured homes are in the United States, with the majority located in rural areas. “Energy bills can be very high and it’s a very low income population living in them,” said Lowell Ungar, who leads the federal policy program at ACEEE.