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Air Infiltration, Ventilation and Air Conditioning Glossary

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pressurization, internal fan

IEQ Global Alliance Posted on 2025/02/27 by Javier Fuentes2025/02/27

[AIVC, Air infiltration and ventilation glossary, 1992]:the building’s own mechanical ventilation system can be used to provide the required pressure differential from within. The supply fans are operated while al1 return and exhaust fans are turned off, and all return dampers are closed, so that air can only leave through the doors, windows and other leakage sites.

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