80,000 BTU Single Stage Low Nox Upflow/Horizontal Gas Furnace; Efficiency: 92%, Volts: 115, Hertz: 60, Phase: 1, CFM: 2000, Stage: Single, Speed: Multi, Motor Type: ECM, BTU Input: 80,000, BTU Output: 73,600, Dimensions: 34''H x 21''W x 28''D, Mfg Box, Made in USA ***PROPANE CONVERSION KIT (Model# LPM-07) IS NOT INCLUDED*** ***Unit includes a manufacturer warranty. Register your unit with the manufacturer for details**