They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Best way to cool attic space.
The system operates on the simple principle that hot air rises.
Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer.
Also can add more blown in insulation to the attic.
A window air conditioning unit is also a good option for cooling an attic.
Install electric ventilators and attic fans which remove hot air from an attic.
Gable soffit and ridge vents are openings in the roof that allow hot air to escape.
Do it yourself and save.
Home depot rents the machine and sells the cellulose.
How to cool a hot attic.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
Alternatively install a roof mounted fan which can be set to come on when the temperature increases beyond a certain point.
It s cheap and easy to install and will help keep the space cooler in the summer and warmer in the winter.
The installation will involve cutting into the roof and shingling around the fan area so if you re not sure about doing this you ll need to contact a.
Your attic can get really hot in the summer but luckily you have several options to keep the temperature down.
Most attics only have the floor insulated but beefing up the environmental control will keep temps more stable and your stuff better preserved.
Ridge vents are the exhaust vents that are located along the ridgeline of your roof.
Call a heat air guy to install whole house fan attic fan.
Electric ventilators and attic fans work to remove hot air from the area.
If hot air is allowed to sit in your attic it could overheat the shingles on your roof and cause damage.
The air pushes up into the attic through the soffit vents and out through the ridge vents providing a continuous flow.
The best way to keep insulation cool as well as attic air is to move lots of air through the attic space.
Even though the outside temperature may be 90 98f it is much cooler than 140 160f.
This way cool dry air will replace hot moist air.
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 putting carbon monoxide in the home.
In very warm climates they will be effective as long as your attic space is properly insulated against the elements.
To go the inexpensive route just fill the spaces with fiberglass insulation.
You need to make sure that you provide enough soffit vents for this to work properly.
Your home air conditioner works very hard to combat extreme attic temperatures.
Powered attic ventilators are the worst way to try to keep your attic cool.
One of the easiest options is to purchase an ac window unit to run in your attic.