Ventilation is the movement of outdoor air into a building or space through open windows, doors, air moving systems or by infiltration.
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This is important since indoor air is usually more polluted than outdoor air.
Ventilation is one of the three best ways to enhance or protect indoor air quality:
- The first is to capture contaminants at the source before they become airborne.
- The second is ventilation.
- The third is cleaning the air.
Reference: U.S. Environmental Protection Agency
Ventilation: Created on November 3rd, 2009. Last Modified on November 3rd, 2009
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