3 Ton Single Stage Convertible Natural Gas/Electric Packaged Unit, Volts: 208-230, Hertz: 60, Phase: 3, Refrigerant: R410A, Factory Charge: 68 oz, EER: 11.2, Department of Energy Guide SEER (Range): 14, CFM: 1350, BTU Input: 75,000, BTU Output: 60,750, Cooling BTU: 36,000, Heating BTU: 75,000, Overall Dims: 41-3/8''H X 79-1/4''W X 46-3/4''D, Weight: 557 lbs