110,000 BTU Low NOx Upflow/Horizontal Gas Furnace, Efficiency: 93%, Volts: 120, Hertz: 60, Phase: 1, CFM: 2142, Stage: Single, Speed: Variable, Motor Type: ECM, BTU Input: 110,000, BTU Output: 105,000, Dimensions: 33''H X 21''W X 27-3/4''D, Weight: 158 lbs ***Propane Conversion Kit: 11K49 (Not Included)***