Texas Attic Temperature

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

Texas attic temperature.

However more often than not. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. In some cases attic temperatures can reach above the 150 degree mark. Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation.

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. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. 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. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.

Providing half air change per minute will lower the temperature to about 106 degrees f. Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. If your attic is not properly ventilated your cooling costs will not be as low as they should be because your system is constantly running to compensate for the excess heat. 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.

An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. On a typical summer day with an outdoor temperature between 90 to 100 degrees the temperature in an attic space without radiant barrier can easily reach 140 degrees.