20 SEER: Tri-Zone Mini Ductless Split: With a 45000 BTU total Cooling-Heating Capacity, this Inverter DC mini split system can cool or heat 3 seperate zones [350 ft² + 550 ft² + 1000 ft²] for a total coverage area of 1900 ft². A 20 SEER rating coupled with Inverter technology provides the benefits of low operation temps, rapid cooling as well as maximum energy efficiency. Comes pre-charged with R410A; Includes LCD remote controls and 5 Year Compressor - 2 Year Parts Warranty.