4 Ton Single Stage Split-System Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 15, EER: 12.2, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 146 oz, Type: Air, Dimensions: 38''H x 32-1/4''W x 32-1/4''D **Units Have Minor Cosmetic Damage**