COMFAIR CWC / CHILLED WATER CASSETTE 2 to 9 kW The CEILING CASSETTES are designed to operate with chilled and hot water. They provide both cooling and dehumidification in cooling mode and heating in the latter, cleaning and filtering the air in the process. Electrical heating elements are available as an option on some units. The units are available with cooling capacities from 1950 to 8450 W and heating capacities from 1400 to 10600 W. The units have been designed in order to install them in high ceilings where standard plates 600x600 mm or 600x1200 mm will be used. You can choose either a metallic diffuser, or a plastic diffuser.