40,000 BTU Low NOx Upflow/Horizontal Gas Furnace, Efficiency: 96%, Volts: 115, Hertz: 60, Phase: 1, CFM: 800, Stage: Single, Speed: Single, Motor Type: ECM, BTU Input: 40,000, BTU Output: 38,400, Dimensions: 34-1/2''H X 17-1/2''W X 28-3/4''D, Weight: 111 lbs ***Propane Conversion Kit: LPM-07, LPM-33 (Not Included)** * ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***