60,000 BTU Natural Gas Furnace, Efficiency: 96%, Volts: 115, Hertz: 60, Phase: 1, CFM:1200, Stage: 1, Speed: Variable, Motor Type: ECM, BTU Input: 60, 000, BTU Output: 57, 600, Dimensions: 34-1/2''H X 17-1/2''W X 28-7/8''D, Weight: 122 Lbs, **Not Propane Compatible** **Unit Includes A Manufacture Warranty, Register Your Unit With The Manufacturer For Details***