How Hot Does An Attic Get In Texas

Colder is better but 130 degrees is not really that hot in that typical roofing materials can stand much higher temperatures.

How hot does an attic get in texas.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. A hot garage specially if its door face to the sun it maybe a degree or two cooler than outside but if the garage door is open a couple of inches at night it does allow to semi cool the attic a bit faster. And it can cause your air conditioner to work harder than it needs to and send your energy bills soaring with the temperature. An unventilated attic can reach 150 degrees in the heat of summer 50 degrees higher than it should be.

My attic is ridiculously hot if i install a fan pull out hot air to help cool my attic will my ac work better right now it takes two to three hours to drop the house 4 degrees. Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. 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. For double the price rockwool does not have the same disadvantages is more fire resistant and has an r value of 4 5 per inch.

The third option is the cotton batt also known as blue jeans. Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation. Has anybody actually measured their attic temperature on a typical 98 102 degree summer day in dallas. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

I would guess 130 140 degrees as an estimate. Calculations indicate that on a july day in texas a ventilation rate of one air change per minute for a typical attic using 95 degree f air will lower the peak attic temperature to about 101 degrees f. Hang pencil and paper next to the thermometer and record the outdoor and attic. Louis and often wondered what the temps are in attics here in the dead of summer.

The downside however is that rockwool batts are harder to find and they can harbor mold growth if they re allowed to get damp. Providing half air change per minute will lower the temperature to about 106 degrees f. We live in south east texas.