4 Ton "Tc" Series Horizontal Geothermal Indoor Heat Pump, Volts: 208/230, Hertz: 60, Phase: 1, Coil Type: Copper, EER: 13.3-20.5, Stage: Single, Motor Type: Ecm, Return Air: Left Return, Refrigerant: R-410A, Factory Charge: 74Oz, Water Connection Size: 1" Fpt, Condensate Drain Connection Size: 3/4" Fpt, Dimensions: H-21", W-24", L-54", Weight: 263Lbs, Bulk Packaging, Made in USA