3.5 Ton Package Geothermal Heat Pump, Volts:208/230, Hertz:60, Phase:1, Airflow:Horizontal, Refrigerant:R-22(74 Oz), EER:20.3, Cfm:1400, Water Loop Cooling:41,000, Water Loop Heating:49,800, Ground Water Cooling:45,400, Ground Water Heating:39,000, Ground Loop Cooling:43,300, Gound Loop Heating:32,700, Water Connections:1" Swivel, Hwg Connections:1" Swivel, Dims:21-1/2"H X 71-1/4"W X 27-3/4"D, Overall Weight:359 Lbs, Origin:Usa