Tag Archives: purge ventilation

August 6, 2019

Background Ventilation and Purge Ventilation Explained

The key to achieving and maintaining good indoor air quality is efficient background ventilation and purge ventilation.  Here we explain the purpose of each system and why a house needs both. Background Ventilation Background ventilation is a whole house ventilation system that allows the introduction of fresh outside air into a habitable room without opening [...]
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