100,000 BTU Low NOx Downflow/Horizontal Communicating Compatible Gas Furnace, Efficiency: 80%, Volts: 115, Hertz: 60, Phase: 1, CFM: 2000, Stage: Two, Speed: Variable, Motor Type: ECM, BTU Input: 100,000, BTU Output: 80,000, Dimensions: 33-3/8''H X 21''W X 28''D, Weight: 129 lbs ***Propane Conversion Kit: LPM-06 (Not Included)*** **Compatible With Comfortbridge Technology Units** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***