100,000 BTU Downflow/Horizontal Communicating Compatible Gas Furnace, Efficiency: 80%, Volts: 115, Hertz: 60, Phase: 1, CFM: 2000, Stage: Two, Speed: Variable, Motor Type: ECM, BTU Input: 100,000, BTU Output: 81,000, Dimensions: 40''H X 21''W X 28''D ***Propane Conversion Kit: BAYLPKT210B (Not Included)*** ***Compatible with Acculink Communicating Systems*** ***Unit Includes A Manufacture Warranty, Register Your Unit With The Manufacturer For Details***