Dropping the temperature from 120 150 degrees to roughly the same as the outside temperature will save you enough on your power bill to offset the purchase and installation charge.
Best way to reduce attic temperature.
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.
Ideal attic temperature and humidity settings.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
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.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
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.
In existing homes the question is important.
The thermostat will usually start at 95 degrees fahrenheit which is the temperature that the attic fan usually starts at.
Also make sure your attic is ventilated.
Use a thermostatically controlled roof mounted ventilator.
Here are ten different ways to reduce your attic heat temperature and save you money.
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.