7.5 Ton Convertible Natural Gas/Electric Packaged Unit, Volts: 460, Hertz: 60, Phase: 3, Refrigerant: R410A, Factory Charge: 80/78 oz Dual Circuit, EER: 11, CFM: 3000, BTU Input: 210,000, BTU Output: 168,000, Cooling BTU: 86,000, Heating BTU: 210,000, Return Dims: 13"H X 36"W, Supply Dims: 28"H X 14"W, Overall Dims: 54-1/4"H X 93-3/4"W X 60-3/8"D, Weight: 1095 Lbs