Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
Best way to lower attic temperature in summer.
Keep that super heated air from seeping into your living space.
Use a thermostatically controlled roof mounted ventilator.
One is the use of attic fans.
Fortunately there are a number of steps you can take to reduce attic heat and lower your power bills at the same time.
Install electric ventilators and attic fans which remove hot air from an attic.
How can you combat the excessive heat in your attic.
There are several ways to do this.
Adding a radiant barrier to the underside of your attic structure will help reduce heat gain in the space but be sure to check your roof shingle warranty and make sure it would not be voided by such a measure.
Seal spaces around plumbing recessed lights and vents.
Other solutions include adding an attic vent or improving attic insulation.
4 ways to reduce attic heat in your home.
Get one that runs on a temperature sensor.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
Hot air exhaust vents located at the peak of the roof allow hot air to escape.
Your attic can get as hot as 150 degrees in the summer.
Providing half air change per minute will lower the temperature to about 106 degrees f.
A solar powered attic fan would be best.
These keep the attic cooler than dark shingles.
And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house.
Intake vents located at the lowest part of the roof under the eaves allow cool air to enter the attic.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
When reroofing use white or pale gray shingles instead of dark ones.
Using insulation only keeps the attic s heat from traveling through your home.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
But by adding powered attic fans you.
They are readily available and easy to install yourself.
Sometimes people say they want to install a pav to cool the house because they don t have ac.
In that case what they really need is a whole house fan not a powered attic ventilator.
Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f.