40,000 BTU Low NOx Upflow/Horizontal Gas Furnace, Efficiency: 80%, Volts: 115, Hertz: 60, Phase: 1, CFM: 1200, Stage: Two, Speed: Multi, Motor Type: PSC, BTU Input: 40,000, BTU Output: 32,000, Dimensions: 33-3/8''H X 14''W X 28''D, Weight: 86 lbs ***Propane Conversion Kit: LPM-06 (Not Included)*** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***