6 Ton Convertible Natural Gas/Electric Packaged Unit, Volts:575, Hertz:60, Phase:3, Refrigerant:R410A, EER:11.2, CFM:2400, Clear Control (DDC), Belt Drive, Efficiency:82, Input BTU:135,000, Output BTU:110,700, Overall Dims:35"H X 82-1/4"W X 48-1/16"D, Weight:668Lbs, Origin:USA