Samsung Single-Zone Slim Duct Split System Indoor Unit, 208 - 230 VAC, 5.2 A Cooling, 6.1 A Heating, 60 Hz, 1 ph Phase, 3 Fan Speeds, 9000 Btu/hr Cooling, 12000 Btu/hr Heating, 353 cfm, 13.95 EER Rating, 21 SEER, 10.5 HSPF, 1/4 in Liquid x 3/8 in Gas Connection, BLDC Rotary, Inverter Driven Compressor, R-410A Refrigerant, 33 dBA Sound Level, Steel, Finish: Galvanized, 61 to 90 deg F Cooling, <80 deg F Heating, 23-5/8 in Overall Length, 27-9/16 in Overall Width, 7-13/16 in Overall Height, For Use With: CAC Outdoor Units