what is ventilation?
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Purpose provided (intentional) ventilation: Ventilation is the process by which 'clean' air (normally outdoor air) is intentionally provided to a space and stale air is removed. ... This is the uncontrolled flow of air into a space through adventitious or unintentional gaps and cracks in the building envelope.
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Purpose provided (intentional) ventilation: Ventilation is the process by which 'clean' air (normally outdoor air) is intentionally provided to a space and stale air is removed.
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