5 Ton Two Stage Geothermal Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Configuration: Split-System, Return Air Option/Piping Connection: None, EER: 22.1, Stage: Two, Motor Type: ECM, Refrigerant: R410A, Metering Device: TXV, Factory Charge: 86 oz, Water Loop - Cooling BTU: 57,200/Heating BTU: 67,500, Ground Water - Cooling BTU: 63,200/Heating BTU: 58,100, Ground Loop - Cooling BTU: 59,200/Heating BTU: 46,400, Connection Size: 1", Dimensions: 21-1/3''H x 25-2/5''W x 30-3/5''D, Weight: 265 lbs, **Compatible Units: TAC and TAH Not Included**