The Toshiba Carrier underceiling indoor unit is compact, unobtrusive, and so quite you won’t even know it’s there. The indoor unit operates at as low as 28 db(A), which is about the same noise level as having a whispering conversation. The indoor units feature sleek designs and seamlessly integrate into any space or décor style. Lastly, with variety of sophisticated yet easy to use controllers can monitor and operate the system to its optimal efficiency. The underceiling indoor unit offers features like three speed fan operation, fixed or oscillating louver operation and outside air knock out for ventilation requirement. This indoor unit can be matched with outdoor unit (RAVAT2) in 1:1 configuration for six different systems.