40,000 BTU 2-Stg Communicating Downflow/Horiztontal, Efficiency: 96, Volts: 115, Hertz: 60, Phase:1, Cfm: 1200, Stage: 2, Speed: Varible, Motor Type: Ecm, BTU Input: 40,000, BTU Output: 38,440, Dimensions: 33.5"H X17.5"W X 28"D, Weight: 116 Lbs, Made in USA, In Mfg Box, Low NOx (40NG/J) LP Kit- LPM-08 *** Not Included*** Include Mfg Warranty, Register Your Unit With The Manufacturer For Details