1.25 Ton Single Stage Geothermal Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Configuration: Vertical Stack, Return Air Option: Secondary Front Return, EER: 15, Stage: Single, Refrigerant: R410A, Factory Charge: 36 oz, Water Loop - Cooling BTU: 14,300/Heating BTU: 18,600, Connection Size: 1/2", Dimensions: 42.5''H x 17''W x 16.25''D, Weight: 146 lbs **Does Not Include Fan and Motor, Chassis Only**