Rheem® Split-System Heat Pump, Achiever® Plus® UP17 Series, UP1736 Model, 208-230 V Voltage Rating, 22 A Amperage Rating, 145 W Power Rating, 1/6 hp Rating, 60 Hz Frequency Rating, 1 ph Phase, 910 rpm Rotational Speed, 36000 Btu/hr Cooling/Heating BTU Rating, 3270 cfm Rating, 11.5 EER Rating, 17 SEER Rating, 8.5 HSPF Rating, Inverter Compressor Type, R-410A Refrigerant Type, 3/8 in Liquid Line Size, 3/4 in Suction Line Size, 19.8 sq-ft Face Area, 20 FPI Coil Rating, 3 ton Tonnage, 66.8 to 73.5 dBA Sound Level, 3 Number of Stages, Steel, Powder-Coated, 33-3/4 in L x 33-3/4 in W x 35 in H Dimensions