Install electric ventilators and attic fans which remove hot air from an attic.
Home attic temperature.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
These images came from a presentation danny parker gave pdf on fsec s cool roof research the third graph shows attic temperatures from the middle of the attic for several different types of roofing as well as a sealed attic.
Defeat attic heat the temperature in your attic can reach 150 degrees on a hot summer day a situation that if left unchecked can drive up cooling costs by as much as 40 percent.
What should the attic temperature be relative to the outside and house temperatures assuming a new supposedly well insulated house.
The white roof lowered the attic temperature by about 20 f.
Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult.
A standard powered exhaust vent turns on when the temperature inside the attic reaches a pre set limit and runs until the temperature drops.
A check the temperature an hour before sunrise.
When the attic becomes part of the home to be.
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.