45,000 BTU Multiposition Natural Gas Furnace, Efficiency:80, Volts:115, Hertz:60, Phase:1, Cfm:780, Stage:1, Speed:Variable, Motor Type: Ecm, BTU Input: 45,000, BTU Output:36,000, Dimensions:33"H X 141/2"W X 29"D, Weight:104 Lbs,Made in USA, In Mfg Box, Propane Conversion Kit: Agagc8Pns01A (Not Included)