88,000 BTU Upflow/Horizontal Gas Furnace, Efficiency: 92.1%, Volts: 120, Hertz: 60, Phase: 1, CFM: 1375, Stage: Single, Speed: Multi, Motor Type: ECM, BTU Input: 88,000, BTU Output: 84,000, Dimensions: 33''H X 21''W X 28-1/2''D, Weight: 145 lbs ***Propane Conversion Kit: 11K50 (Not Included)***