On November 22nd, APGA submitted comments to the Department of Energy (DOE) in response to a Supplemental Notice of Proposed Rulemaking (SNOPR), released by DOE in September, which would establish a residential furnace nationwide mandate of 92 annual fuel utilization efficiency (AFUE) with a small furnace exemption for furnaces of 55,000 Btu or less. #DOEfurnace #DOE #furnace #DOEFurnaceComments