I would guess 130 140 degrees as an estimate.
Attic temperature in texas.
Install electric ventilators and attic fans which remove hot air from an attic.
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.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f.
Louis and often wondered what the temps are in attics here in the dead of summer.
I miss having a basement for storage 68 cool degrees on a hot summer day from my home in st.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult.
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.
Providing half air change per.
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.
On a typical summer day with an outdoor temperature between 90 to 100 degrees the temperature in an attic space without radiant barrier can easily reach 140 degrees.
January 8 2010 5 15pm text size.
What should the attic temperature be relative to the outside and house temperatures assuming a new supposedly well insulated house.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
The white roof lowered the attic temperature by about 20 f.
Real time live attic temperatures in a home in frisco texas with radiantguard radiant barrier attic insulation and ventilation enhancements.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation.