Samsung Ducted Mini-Split Heat Pump, 208 to 230 V, 10 A, 39 W, 60 Hz, 1 ph, 18000 Btu/hr Heating, 390 to 590 cfm Heating CFM Rating, 11.2 EER Rating, 19.6 SEER, 10.3 HSPF, Flared Connection, Inverter Driven Twin BLDC Rotary Compressor, R-410A Refrigerant, 15 A Fuse Rating, Tonnage: 1.5 ton, 48 dBA Heating Sound Level, Aluminum/Copper, 23 to 115 deg F Heating Operating Temperature, 34-5/8 in Overall Width, 25-1/8 in Overall Height, Additional Information: 4.26 pt/hr Dehumidification, 18 FPI Fins Per Inch, 12-1/4 in D