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.
Best way to reduce heat in attic.
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.
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.
An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.
Keep that super heated air from seeping into your living space.
The way your attic retains or releases heat can affect your entire house and implementing a simple set of solutions can make your attic more energy efficient.
Your attic can get as hot as 150 degrees in the summer.
When reroofing use white or pale gray shingles instead of dark ones.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
Seal spaces around plumbing recessed lights and vents.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.
If you don t worrying about how best to keep the attic cool is a bandaid on a self inflicted wound.
Fortunately there are a number of steps you can take to reduce attic heat and lower your power bills at the same time.
Also make sure your attic is ventilated.
Energy efficient insulation while an important consideration is actually only one solution to attic heating and cooling issues.
In existing homes the question is important.