The 24000 BTU Dual Zone INVERTER Ductless AC with Suspended Ceiling Mounts can cool or heat TWO separate zones (12000 + 12000 BTU) for a total coverage area of 1100 ft² (550 + 550 ft²). Unlike wall mounts, these air Handlers offer the option of either being suspended from a ceiling or positioned standing on the floor. Inverter technology provides the benefits of low operation temps, rapid cooling / heating, as well as maximum energy efficiency. R410A Pre-charged .