They ve been well discussed here and other places but briefly they re not cost effective don t deal with the problem where it starts are using convection to solve a radiant heat problem and can even be dangerous by backdrafting combustion appliances and.
How to stay cool in a hot attic.
Adding an attic fan can improve the airflow in your attic to keep it cool.
How to keep your attic cool in summer.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
I see people spending lots of money on new energy efficient windows and not investing in more attic insulation.
The lack of air circulation and the heat of the sun pounding.
If you want to cool your attic proper insulation is the best place to start.
The attic load is much more than the walls and windows.
With a free spray foam insulation consultation from energy monster wee can help you decide if your insulation needs an update.
How to keep cool while working in the attic.
Powered attic ventilators are the worst way to try to keep your attic cool.
You may be more likely to think about your attic during the winter when you can lose heat if it s not properly insulated.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
To ensure that the attic fan is working properly you need to make sure that your attic is sealed up tight where it touches the ceiling of the top floor.
The ambient temperature of your attic is often much higher than the temperature outside.
Install electric ventilators and attic fans which remove hot air from an attic.
Attic fans push out the hot air and pull in the cool air from the vents installed on your roof.
During the hot summer months we all start thinking of ways to reduce out electric bills.