3 Ton Variable Speed Split-System Communicating Compatible Heat Pump, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 18, Speed: Variable, Refrigerant: R410A, Connection Size: 3/8"X3/4", Connection Type: Sweat, Factory Charge: 6.38 lbs, Type: Air, Dimensions: 38-1/2''H x 23-1/8''W x 23-1/8''D, Weight: 156 lbs **Compatible with Ion Communicating Units** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***