Attic Temperature In Summer

Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit.

Attic temperature in summer.

Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. However attic ventilation had only a minor effect on roof shingle temperature. 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. Hot summer weather poses the opposite problem for maintaining recommended attic temperatures.

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. Hang pencil and paper next to the thermometer and record the outdoor and attic temperatures. The results of this study showed that during the summer in illinois attic ventilation could lower attic air temperature by 28 f 15 5 c and sheathing temperature by almost 10 f 5 5 c.

In some cases attic temperatures can reach above the 150 degree mark. 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. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be. 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.