16 SEER: 3.75 Ton Quad-Zone Mini Split AC - Heat Pump: A 45000 BTU total Cooling-Heating Capacity, this Inverter DC mini split by YMGI can cool or heat 4 seperate zones [350 + 350 + 350 + 750 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 .