Arizona Attic Temperature

But newer homes in central and southern arizona are insulated to ratings of r 30 to r 38 while newer homes in northern arizona generally have attic insulation at r 60 because of colder winters.

Arizona attic temperature.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. Our attics in phoenix can reach over 180 degrees and then drop down to 50 degrees or lower in the winter. Overall the plywood sheathing in black shingled roof systems tended to be 10 f to 15 f 5 c to 8 c warmer dur ing the midafternoon of a sunny day than the plywood in comparable white shingled roof systems. Ventilating an attic in arizona is no joke.

During the summer it is like having an oven on top of your home that continues to work against your air conditioning s efforts to cool your home. This crazy heat can make you uncomfortable increase energy bills and damage your roof all while possibly voiding your roof s warranty. The air inside your attic can reach temperatures upwards of 180 degrees far hotter than it actually gets outdoors. Expansion and contraction and those.

Summer attic air temperatures with reflective roof peak at or slightly above outdoor air ambient. That s 130 degree temperature change harb said. The maximum sheathing temperatures recorded were 168 f 76 c for black shingled roofs and 147 f 64 c for white shingled roofs. Without proper ventilation your attic can reach 160 f or more during summer.