80,000 BTU Low NOx Downflow/Horizontal Communicating Compatible Gas Furnace, Efficiency: 96%, Volts: 115, Hertz: 60, Phase: 1, CFM: 2000, Stage: Modulating, Speed: Variable, Motor Type: ECM, BTU Input: 80,000, BTU Output: 76,800, Dimensions: 40-3/4''H X 24-1/2''W X 28-3/4''D, Weight: 160 lbs ***Propane Conversion Kit: LPKM0D080CF (Not Included)*** **Compatible With ComfortNet Communicating System** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***