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    Calculate Air Exchange (CFM)

    Enter information into the fields below in order to calculate the CFM (per fan).

    To calculate the CFM required to adequately ventilate an area, we divide the room volume by the appropriate "Minutes per Change" value.

    [CFM] = [Room Volume] / [Min./Chg.]

    Airflow (CFM) per Fan


    Starred items represent required fields.