3.5 Ton Split-System Air Conditioner, Circuit Voltage: 208-230, Hertz: 60, Phase: 1, Department Of Energy Guide SEER: 13, EER: 10.5, Stage: Single, Refrigerant: R410A, Connection Size: 3/8"X7/8", Connection Type: Sweat, Type: Air, Dimensions: 29-1/4"H X 30-3/4"W X 30-3/4"D, Weight: 151 Lbs