15 Ton Downflow Natural Gas/Electric Packaged Unit, Volts: 208-230, Hertz: 60, Phase: 3, Refrigerant: R410A, Factory Charge: 128/109oz Dual Circuit, Eer: 10.8, Cfm: 5000, BTU Input: 260000, BTU Output: 210600, Cooling Btu: 172000, Heating Btu: 260000, Return Dims: 22"H X 60"W, Supply Dims: 22"H X 60"W, Overall Dims: 56-27/32"H X 133-7/8"W X 88-1/2"D, Weight: 1910 Lbs