This European standard specifies aerodynamic, acoustic and electrical power performance test measurements for un-ducted / ducted continuous supply ventilation / supply air ventilation units in a single room or a single dwelling used in residential ventilation.
In general such units contain:
- fan;
- air filter;
- control system.
Units may also include:
- grille or air distribution device;
- heating device;
- solar or thermal collectors (water or air);
- electrical;
- hydronic;
- sound attenuators;
- bypass dampers;
- mixing devices.
Supplementary heating may also be provided by solar air collector air or ground source heat pumps etc., the performance of these supplementary components are not covered by this standard.