Average Attic Temp In Summer

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Average attic temp in summer.

What should the attic temperature be relative to the outside and house temperatures assuming a new supposedly well insulated house. What should be the difference between outside inside temperature of an attic on a summer day versus a winter day. I hit 130 degrees in my attic when the outside temperature was. January 8 2010 5 15pm text size.

One of the toughest spaces to maintain a consistent temperature is in your attic especially in the summer. 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. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Should there be a difference between a 78 degree day and a 98 degree day.

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. Reducing attic temperatures in the summer aug 14 2017 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. I have recently added a ridge vent to my roof and have also been taking temperature readings. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.

However more often than not. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. The cooling load for a home air conditioner depends on the difference in temperature between the inside and outside air and reduction of attic temperatures from 155 degrees to 105 degrees f will result in a. 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.

Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient.