Use a thermostatically controlled roof mounted ventilator.
Best way to reduce attic temperature.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
Install electric ventilators and attic fans which remove hot air from an attic.
It will help to keep the attic much cooler in the summertime.
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.
In existing homes the question is important.
Installing attic vents if you don t already have them is another way to assist in the movement of hot and cold air out of your attic.
When reroofing use white or pale gray shingles instead of dark ones.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
Also make sure your attic is ventilated.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.
Freezing and excessively hot outdoor temperatures rain and high.
If you don t worrying about how best to keep the attic cool is a bandaid on a self inflicted wound.
Ideal attic temperature and humidity settings.