General ventilation Type J
power roof ventilators
designed for efficiency and economy.
Type J PRVs are suggested for use in
commercial and industrial applications including factories, warehouses,
commercial buildings, machine rooms or any situation requiring the
movement of air.
Type JT PRVs are suggested for use in
industrial applications where it is necessary for the fan assembly to
be located above the roof and where motor, belts and bearings must be
isolated from the airstream. (Type JTB)
American Coolair upblast power roof
ventilators are designed for long life, low maintenance and all-weather
The proven upblast design is the most cost
effective roof exhauster built today and offers the best value of all
With many commercial and industrial
buildings such as factories, warehouses, parking garages, shopping
malls and department stores a means of venting hot gases and smoke in
the event of a fire is required.
Type HS PRVs are especially designed,
built and proven by independent test to meet this essential need. They
reliably extract large volumes of hot gases and smoke regardless of
building configuration, location or weather conditions. They withstand
high temperatures for long periods.
A reliable ventilation system that can
operate during a fire is both vital and essential. It prevents smoke
logging, allows people to escape quickly, minimizes damages to property
and contents and enables firemen to attack the fire without
These PRVs have the added advantage of
providing normal day-to-day ventilation and in many cases can also be
fitted with ductwork for use in multi-story buildings.
The unique American Coolair Type HS power
roof ventilator concept provides a solution for emergency heat and
smoke venting that is dependable under the most extreme circumstances.