How Do Spinning Roof Vents Work

The popular ridge and soffit ventilation systems and the traditional metal pot vents are also passive ventilation systems.

How do spinning roof vents work.

As soon as it starts to spin it vacuums air out of your attic. The answer is yes they really do. A roof ventilation system works by providing a continual flow of air through the attic space helping remove overheated air and moisture from the attic and roof system and reduce the impact of changing temperatures and moisture conditions both inside and outside the home. The faster it spins the more effectively it stucks the water vapour out of your roof and into the atmosphere outside.

Even the slightest breeze has the twista ventilator spinning quickly. Whirlybird roof turbines vents you know those funny spinning things you see up on the roof tops. These are very common to see on older roofs. Fresh air is pulled in under the eaves of the house helping to cool down the roof space.

But the question our customers often ask is do they really work. Most residential homes have some type of attic ventilation. I ambled around the roof shooting wd 40 specialist spray stay gel lubricant into all the vents getting them spinning smooth and easy.