6 Ton Two Stage Convertible Natural Gas/Electric Packaged Unit, Volts: 460, Hertz: 60, Phase: 3, Refrigerant: R410A, Factory Charge: 10 lbs 3 oz, EER: 11, CFM: 3000, BTU Input: 67,000, BTU Output: 54,000, Cooling BTU: 70,000, Heating BTU: 67,000, Overall Dims: 41-3/8''H X 74-3/8''W X 46-5/8''D, Weight: 607 lbs