Attic Temperatures In Middle Of Summer

An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.

Attic temperatures in middle of summer.

And that can result in real energy cost savings. The attic should already be vented both high and low as required by the general building construction industry. If you have a dark color roof on your house the heat buildup in the attic can be unbearable. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

This super hot air eventually radiates into the living space resulting in warmer interior temperatures. Now as far as adding attic venting because of high temps causing problems with the heat load of the house that would be a good question. In some cases attic temperatures can reach above the 150 degree mark. However more often than not.

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. Summer attic air temperatures with old terra cotta colored asphalt shingles peaked at 140 to 145 at 18 above the blown in fiberglass insulation layer at the attic floor. New study finds attic temperatures can pose serious risk if you ve ever been up in your attic on a sunny summer day you know the meaning of hot. Well pity your home s electrical wiring it has to perform in this superheated environment day.

If you ve ever had to go digging through your attic in the summer to try and find something you realize immediately the temperature in your attic is noticeably hotter. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Of course some environments are much hotter than others so this will be the perfect time to measure out how warm your attic will get during the most heated of seasons.

Yet in summer the attic ventilation helps to keep attic temperatures down. Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. Actually any temperature over the design temp of the a c system is creating a heat problem.