75,000 BTU Upflow/Horizontal Communicating Two Stage Gas Furnace, Efficiency: 80, Volts: 115, Hertz: 60, Phase: 1, CFM: 1200, Stage: Two, Speed: Variable, Motor Type: ECM, BTU Input: 75,000, BTU Output: 60,000, Dimensions: 34"H X 17-1/2"W X 29-19/32"D Propane Conversion Kit: RXGJ-FP32 (Not Included) **Unit includes a Manufacture Warranty through June of 2029, No Registration Required**