Most residential homes have some type of attic ventilation.
How does an attic turbine fan work.
Improperly ventilated attics can have issues with mold and mildew as well as ice buildup and leaks in winter and can increase home cooling costs in summer.
These can be ridge vents wind turbines or the flat vents your roofer wants to install.
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Ft of vent space half dedicated for air intake in the soffits and the other half for exhaust on the roof.
The wind rotates the fan blade causing air movement in the attic as air is pulled out through the.
These fans are designed to remove excess heat from your attic which in theory is supposed to lessen the load on the air conditioning in your home.
Attic fans exhaust hot air from your attic to the outside.
And a turbine with a couple of more inches longer is able to remove around 1000 cubic feet.
Attic must have 5 sq.
You may be amazed that even a small turbine of a foot long has the capability to remove more than 300 cubic feet warm air every minute.
The spinning turbines pull warm air from the attic more quickly.
How an attic fan works.
Whirlybird roof turbines vents you know those funny spinning things you see up on the roof tops.
Good attic ventilation is important for preventing ice dams in the winter.
Most fans cannot keep up.
The answer is yes they really do.
Attic turbines are an important component of attic ventilation.
The whole house fan is installed inside the attic between the living space and ceiling.
Unlike turbines this venting style does not have any moving parts.
The warm air escapes through the attic and to the attic vents allowing the circulation of chilly air from the windows.
In fact the same vents are still in place on the home and each time the slightest breeze blows they do a great job of pulling air from the attic space.
Turbine fans have angled slits cut into a capped cylinder which create a continuous fan blade.
But the question our customers often ask is do they really work.
Whole house fans work on the principle of removing the hot and humid air out of the house.
Turbines work for free.
A turbine has a series of vanes that spin as wind passes through them.
A turbine is installed directly on the top of a roof and uses wind power to suck hot and humid air out of the attic.
An attic fan is installed on the slanted side of your roof or on one of the gable sides of your attic.
During the day any cooler air brought in by the fan will be heated up immediately by the surrounding structure.
Turbines are known to move plenty of warm air from the attic.
These are very common to see on older roofs.
It helps to cool your home temperatures and the attic by approximately 30 degrees.
Attic turbines should spin as heat rises.
