Attic Temperature In Summer

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.

Attic temperature in summer.

Ideal attic temperature and humidity settings cold outdoor temperatures affect attics. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature.

In some cases attic temperatures can reach above the 150 degree mark. 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. Hang pencil and paper next to the thermometer and record the outdoor and attic temperatures. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.

Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit. If your attic has less than r 22 insulation 7 inches of fiberglass or rock wool or 6 inches of cellulose you should add more. 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. The temperature in your attic can reach 150 degrees on a hot summer day a situation that if left unchecked can drive up cooling costs by as much as 40 percent.

Hot summer weather poses the opposite problem for maintaining recommended attic temperatures. Quelch the heat wave. However attic ventilation had only a minor effect on roof shingle temperature. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.