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- http://www.greenheck.com/library/articles?c=900: Suggested Air Changes for Good Ventilation (TI/101-02)
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The most common method used to calculate cfm requirements for a given fan or fans is based on complete changes of air in a structure or room in a given time period. To determine the cfm required to adequately ventilate an area,divide the room volume (in cubic...
March 1st, 2002