3 Ton Inverter Stage Split-System Communicating Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department of Energy Guide SEER: 14.3, Stage: Inverter, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Factory Charge: 85 oz, Type: Air, Dimensions: 27-3/8''H x 36-5/8''W x 13-3/4''D, Weight: 133 lbs **Compatible with Amana Smart Thermostat and other Amana Communicating Equipment** ***Unit includes a Manufacture Warranty, register your unit with the Manufacturer for details***