5 Ton Low NOx Two Stage Convertible Natural Gas/Electric Packaged Unit, Volts: 208-230, Hertz: 60, Phase: 1, Refrigerant: R410A, Factory Charge: 150 oz, EER2: 11.2, Department of Energy Guide SEER2 (Range): 15.2, CFM: 2000, BTU Input: 135,000, BTU Output: 109,350, Cooling BTU: 58,000, Heating BTU: 135,000, Overall Dims: 43-1/2''H X 73-3/8''W X 47-5/8''D, Weight: 655 lbs ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***