Greenheck will be closed Monday, September 1st in observance of Labor Day. Order shipments will resume on Tuesday, September 2nd. 

  DETAILS
    Close

    Calculate Air Exchange (CFM)

    Enter information into the fields below to calculate the required airflow 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.