Supply air
At the selected working point the supply air flow is
and the duct system’s pressure loss is
The chosen ventilation unit’s maximum air flow is then
and the duct system’s pressure loss is
The degree of boost is
Extract air
At the selected working point the extract air flow is
and the duct system’s pressure loss is
The chosen ventilation unit’s maximum air flow is then
and the duct system’s pressure loss is
The degree of boost is