How many ventilators are required for a particular
determine the quantity of required ventilators we need to
ascertain the following:
Volume: Volume of shed to be ventilated.
Air changes: Depending on the use of the particular shed to
be ventilated choose the “ number of air changes per
hour” required. The accompanying table gives guidance
to determine number of air changes suitable to your
CFM of ventilator: Refer table given below.