In that case what they really need is a whole house fan not a powered attic ventilator.
Best way to lower attic temperature.
To head off these problems consider these options for bringing your attic s temperature down.
Gable vents around 25 each plus 75 per vent for labor can lower attic temperatures about 10 degrees.
When reroofing use white or pale gray shingles instead of dark ones.
Keep that super heated air from seeping into your living space.
This is a coating material that gets.
Seal spaces around plumbing recessed lights and vents.
Properly sealing these leaks can save as much as 10 every month on your power bill.
But by adding powered attic fans you.
A ridge and soffit ventilation system an extra 200 during reroofing will reduce attic temperature to around 100 degrees.
Using insulation only keeps the attic s heat from traveling through your home.
They have thermostats that turn the fan.
These keep the attic cooler than dark shingles.
Use a thermostatically controlled roof mounted ventilator.
Sometimes people say they want to install a pav to cool the house because they don t have ac.
It will help to keep the attic much cooler in the summertime.
And they d still want to have the ceiling air sealed and fully insulated to minimize heat transfer from the attic to the house.