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Are through-the-wall furnaces covered by the Regulation?

April 26, 2017Covered furnaces regulation through-the-wall

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Are through-the-wall furnaces covered by the Regulation?

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A through-the-wall gas furnace is one that is installed in a small space, usually a closet, and has one side exposed to the outdoors. These units may have an air conditioning component along with a heating component. They are typically found in multiple unit residential buildings or apartments. This type of furnace will be required to meet an AFUE of 90% on or after December 31, 2012.