3.5 Ton Single Stage Geothermal Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 3, Configuration: Vertical, Return Air Option/Piping Connection: Left, EER: 15.9, Stage: Single, Motor Type: PSC, Refrigerant: R410A, Metering Device: TXV, Factory Charge: 43 oz, Water Loop - Cooling BTU: 39,600/Heating BTU: 42,800, Ground Loop - Cooling BTU: 41,200/Heating BTU: 30,000, Connection Size: 3/4", Dimensions: 44-1/4''H x 21-1/2''W x 26''D, Weight: 231 lbs