3 Ton Convertible Natural Gas/Electric Packaged Unit, SEER:14, Volts:460, Hertz:60, Phase:3, Refrigerant:R410A, CFM:1200, Efficiency:81, Return Dims:12-1/4" X 19-1/8", Supply Dims:19-1/8" X 12-1/4", Economizer W/Barometric RLF, Belt Drive, High Static, BTU Input:80,000, BTU Output:64,000, Overall Dims:35"H X 48-1/16"W X 76-1/4"D, Weight:533Lbs, Origin:USA