A factory made assembly which provides the functions of cooling and/or heating air using chilled or hot water with air flow to the room ensured by one or more electrically driven fans.
Data collections are organised annually and quarterly (market evolution). Started in 1996, the annual collection involves about 30 manufacturers.
The data is available in units with split by:
- Type (with or without casing, cassette, ducted or hi-wall)
- Capacity, expressed in number of pipes (2 or 4)