Rheem® Electric Heat Package Unit, RKNL-H, Classic Series, H180CR35E Model, 180000 Btu/hr Cooling, 350000 Btu/hr Heating Input BTU Rating, 208/230 VAC Voltage Rating, 78 A Amperage Rating, 52.75 kW Cooling Wattage, 1/3 hp Outdoor Fan, 3 hp Indoor Fan HP Rating, 1075 rpm Outdoor Fan, 1725 rpm Indoor Fan Rotational Speed, 60 Hz Frequency Rating, 3 ph Phase, (2) Scroll Compressor Type, 6000 cfm Rating, 12.4 IEER Rating, 11.1 EER Rating, 15 ton Tonnage, 14 Number of Burners, 2 Number of Stages, R-410A, HFC Refrigerant Type, 91 dBA Decibel Rating, Electric Ignition Type, VFD Belt Drive Type, Outdoor Coil - 53.3 sq-ft Face Area, 22 Fins/in, Indoor Coil - 26.67 sq-ft Face Area, 18 Fins/in Coil Rating, Connection Type: 1 in Drain, (8) 2 x 25 x 20 in Filter Size, Steel, Galvanized, Baked Enamel-Coated, 125 deg F Ambient Temperature Rating, 153 in L x 88 in W x 59-1/2 in H Dimensions