22 SEER: 2.5 Ton Tri-Zone Mini Split Ceiling Cassette AC - Heat Pump: With a 27000 BTU total Cooling / HEATING Capacity, this Tri Zone INVERTER mini split air conditioner can cool or heat 3 separate 9000x3 BTU zones for a total coverage area of 1200 ft² (400+400+400 ft² areas* ). 22 SEER coupled with Advanced Inverter DC technology provides the benefits of low operation temps, rapid cooling / heating as well as maximum energy efficiency. Full 7 Year Compressor - 5 Year Part Warranty Included.