Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
Best way to lower attic temperature.
If you don t worrying about how best to keep the attic cool is a bandaid on a self inflicted wound.
The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.
When reroofing use white or pale gray shingles instead of dark ones.
Get one that runs on a temperature sensor.
In existing homes the question is important.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
They are readily available and easy to install yourself.
A solar powered attic fan would be best.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
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.
Install electric ventilators and attic fans which remove hot air from an attic.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Use a thermostatically controlled roof mounted ventilator.
Here are ten different ways to reduce your attic heat temperature and save you money.