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What is Importance of Mechanical Ventilation about?

The document discusses why houses need mechanical ventilation systems. It explains that historically houses relied on natural air leakage through the building envelope for ventilation. However, more airtight modern construction and electric heating systems provide less natural air exchange. The document examines guidelines for the minimum amount of indoor-outdoor air exchange needed and studies showing most modern houses experience periods with less than this minimum exchange rate, risking indoor air qualit

Author

trshnbx01

Language

EN