Many units have Airflow control which assists in preventing dust from accumulating around the louvres and discolouring the ceiling. These units have motorised louvres for good air distribution and are available with one way, two way and four way airflow.
The louvre and grille on many brands are removable for cleaning; all models feature a washable air filter.
Different capacity units are available in 600 x 600 size to permit easy fitment into a suspended ceiling grid.
Many units have a fresh air make-up connection, and a built in lift pump permits the optimum condensate drain installation to be achieved.
Most models have cooling and heating operation, the heating mode provides a very energy efficient method of heating an area, the heat output can be over four times the energy input.
