Rotary Roof Ventilator

Because the rotary roof turbine vents are completely wind driven they require no electrical operating or wiring costs.

Rotary roof ventilator.

This cap features both a back draft damper and bird screen preventing outside air from entering the home and birds and small pests from entering duct work. Roof ventilators are designed to help exhaust contaminated air from kitchen range hoods up and away from the roof. It is compatible with 3 or 4 ductwork and includes a 3 to 4 adapter for convenience. How doers get more done.

Turbines can rotate with the breeze to help create a strong upward draft that can draw inside air up and out. Some models feature a hinged hood to ease access to motor and drives for maintenance. Filtered supply ventilators help supply filtered make up air in commercial or institutional buildings. Air vent airhawk 12 in aluminum externally braced roof turbine vent.

The rvk1a steel roof cap kit is an the rvk1a steel roof cap kit is an easy to install vent for ventilation fans bath rec room home gym etc. Their economical design requires very little maintenance has a low structural impact and exhausts with virtually silent operation. A durable wind driven turbine attic ventilator from grainger helps to remove hot attic air in summer and moisture laden air in winter.