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Passive Ventilation

Fortunately, there has been a greater interest in passive or natural ventilation in recent years. Unfortunately, much of the information that has been circulated has been very complicated, incomplete or just wrong. In its most basic form, passive ventilation is the promotion of air movement through a space using naturally occurring thermal convection currents.

"Passive ventilation typically relies on using physical principles like the thermal updraft that naturally results from the tendency of warm air to rise and cool air to sink, and by the effect of cross ventilation, by creating unimpeded airflow through a building," - www.holcimfoundation.org.



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