Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
Best way to reduce heat in attic.
But by adding powered attic fans you will draw more air into the attic.
4 ways to reduce attic heat in your home.
Energy efficient insulation while an important consideration is actually only one solution to attic heating and cooling issues.
When reroofing use white or pale gray shingles instead of dark ones.
In existing homes the question is important.
Seal spaces around plumbing recessed lights and vents.
An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
If you don t worrying about how best to keep the attic cool is a bandaid on a self inflicted wound.
Again i m assuming that you re not considering a sealed attic lowering the temperature of an attic that contains ducts can reduce your air conditioning costs.
Fortunately there are a number of steps you can take to reduce attic heat and lower your power bills at the same time.
The air you lose from the attic is then drawn into your home from the outside which will cause your cooling bill to go up.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
Your attic can get as hot as 150 degrees in the summer.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air.