Arizona Attic Temperature

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.

Arizona attic temperature.

With arizona s extreme temperatures proper insulation could save as much as 40 60 on utility bills each month. Harb design build 2 w. The white roof lowered the attic temperature by about 20 f. 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.

This ventilation may not be enough to make a huge difference in the temperature of the attic especially during arizona s summer months. Items that attract critters. These results are tempered by the fact that the effect of moisture content was not evaluated nor was moisture controlled by attic ventilation. A standard powered exhaust vent turns on when the temperature inside the attic reaches a pre set limit and runs until the temperature drops.

Adding additional ventilation to your attic is actually a fairly simple and straightforward process that we have a lot of experience in. While these powered vents do effectively draw out the. 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. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.

Otherwise fresh air can t enter your attic. Roof temperature plywood roof sheathing rafter thermal degrade fire retardant treatment shingles attic. While many do not want to invest in their attic a place they spend very little time it can actually make the whole home more comfortable and can lower monthly energy bills. Ily controlled by solar gain rather than attic ventilation or attic insulation.

These images came from a presentation danny parker gave pdf on fsec s cool roof research the third graph shows attic temperatures from the middle of the attic for several different types of roofing as well as a sealed attic. For details contact us today at 602 349 6922. Also ensuring that your attic is properly vented is important for storing items details.