AMERISTAR® Gas/Electric Packaged Unit, Input BTU Rating: 40000 Btu/hr Cooling, 90000 Btu/hr Heating, 208-230 V, 26 A, 3.53 kW Wattage, 1/4 hp, 825 rpm Rotational Speed, 60 Hz, 3-Phase, Scroll Compressor, 1500 cfm, 81 % AFUE Rating, Tonnage: 3.5 ton, R-454B Refrigerant, 74.6 dB Decibel, Roof Mounting, Electronic Ignition, Direct Drive, 15.63 sq-ft Face Area Outdoor, 3.9 sq-ft Face Area Indoor Coil, 3/4 in FNPT Drain Connection, 40 A Fuse Rating, Steel, Finish: Enamel, 35 to 65 deg F, 36 in H x 49 in W x 42 in D