100,000 BTU Gas Furnace, Efficiency: 96, Volts: 115, Hertz: 60, Phase: 1, Cfm:1600, Stage: 2, Speed: Variable, Motor Type: Ecm, BTU Input: 100,000, BTU Output: 96,000, Dimensions: 34-1/2"H X 21"W X 29"D, Weight: 140 Lbs, Plenum Opening Dimensions: 19-1/2" X 19-1/2", Mfg Box, Made in USA Approved Natural Gas To Propane Conversion Kit (Not Included) Up To A 5 Year Manufacturer Supported Parts Warranty. Register Your Unit With The Manufacturer For More Details Regional Efficiency Standards Are Now In Effect. Make Sure You Adhere To All National, State, And Local Efficiency Standards In Effect In Your Region.