16 SEER: 3.5 Ton Quad-Zone Mini Split AC - Heat Pump: With a 42000 BTU total Cooling-Heating Capacity, this Inverter DC mini split system can cool or heat 4 seperate zones [550 ft² + 550 ft² + 350 ft² + 350 ft²] for a total coverage area of 1800 ft². A 16 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 remotes .