80,000 BTU Low NOx Downflow/Horizontal Communicating Compatible Gas Furnace, Efficiency: 96%, Volts: 115, Hertz: 60, Phase: 1, CFM: 1600, Stage: Two, Speed: Variable, Motor Type: ECM, BTU Input: 80,000, BTU Output: 76,800, Dimensions: 34-1/2''H X 21''W X 28-3/4''D, Weight: 143 lbs ***Propane Conversion Kit: LPM-08 (Not Included)*** **Compatible With Comfortbridge Technology Units** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***