RUUD® Heat Pump, Line Ultra® Series, UP19AY Model, 208/230 V Voltage Rating, 16 A Amperage Rating, 1/2 hp Rating, 60 Hz Frequency Rating, 1 ph Phase, 12 EER Rating, 19 SEER Rating, 8.5 HSPF Rating, Scroll Compressor Type, R-454B Refrigerant Type, 3/8 in Liquid Line Size, 3/4 in Suction Line Size, 35 A Fuse Rating, 1-Row Coil Rating, Inverter Drive Type, 70 dBA Sound Level, 36.13 in L x 36.13 in W x 51.17 in H Dimensions, 10.55 W Wattage, 36000 Btu/hr Cooling Capacity, 20 FPI Fins per Inch, 1225 cfm Flow Rate, BLDC Motor Type, 32.5 sq-ft Face Area