Civil Engineering Reference
In-Depth Information
Fig. 8.18
Fan assisted natural ventilation
Fig. 8.19
Naturally assisted mechanical ventilation
The following conditions in the building generally decrease the chances of
efficiently utilizing the natural ventilation mode in a hybrid ventilation system.
(1) sub-standard envelope construction, tightness, insulation and thermal bridges,
(2) considerable sources of pollution inside or outside of the building, (3) outdoor
