I live in northern virginia hot humid climate in the summer and use heat pumps to heat and cool my house throughout the year.
How hot does a attic get.
Having a properly vented attic is the best way to keep attic cool because it allows the hot air to escape during the summer.
Expansion and contraction and those.
An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate.
If it s 90 degrees outside the attic temperatures shouldn t exceed 110 according to home inspector jamison brown of amerispec home inspection services in poquoson.
That s 130 degree temperature change harb said.
Within the attic insulation is a must.
The attic is a huge determinant in keeping your entire home cool so the first place to start cooling your home should be the attic.
Our attics in phoenix can reach over 180 degrees and then drop down to 50 degrees or lower in the winter.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
I have large attic with ridge vents and screened vents at either end of the attic to maintain air flow.
Attics can reach temperatures of 150 to 160 degrees f during a summer day although outside air temperatures are only 95 to 97 degrees f.
In addition hot air in your attic could increase moisture levels which could result in wood rot and mold growth.
Not the overabundance but the lack of insulation in the attic.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
If hot air is allowed to sit in your attic it could overheat the shingles on your roof and cause damage.
And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.