Rheem®, RP14AY18AJ1NA, Heat Pump, 1-Stage, 1.5 ton Nominal, 18000 Btu/hr Heating, 17.1 to 54.5 kBtu/hr Cooling, R-454B Refrigerant, 1/7 hp Motor, 1075 rpm, 73 dBA Sound Level, 25 in H x 29.75 in W x 29.75 in L Dimensions