How Hot Does An Attic Get In Texas

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

How hot does an attic get in texas. An overheated attic can bake asphalt shingles on the roof and cause them to deteriorate. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. The downside however is that rockwool batts are harder to find and they can harbor mold growth if they re allowed to get damp. We live in south east texas.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. 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. Hang an outdoor thermometer in your attic making sure its range reaches at least 130 degrees fahrenheit. 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.

Providing half air change per minute will lower the temperature to about 106 degrees f. I would guess 130 140 degrees as an estimate. Louis and often wondered what the temps are in attics here in the dead of summer. 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.

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. I miss having a basement for storage 68 cool degrees on a hot summer day from my home in st. 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. Attic temperature depends on the amount of solar radiation construction details and the rate of ventilation.

The third option is the cotton batt also known as blue jeans. 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.