High Temperature Cut Out For Attic Fan

Our stylish powder coated steel 30 watt fan will effectively ventilate up to 2500 sq.

High temperature cut out for attic fan.

However the utility of attic ventilation fans is actually quite a controversial topic. On one hand the national renewable energy laboratory said attic ventilation reduces attic temperature 10 to 25 degrees and slows the transfer of heat into the living space. Manufacturers and contractors suggest that you set the temperature setting between 100 and 110 degrees f. 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.

Good insulation reduces fan effectiveness. Each fan comes with a built in humidistat and thermostat. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. This is the least expensive high quality fan feature for feature available.

If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals. Of course some environments are much hotter than others so this will be the perfect time to measure out how warm your attic will get during the most heated of seasons. Do you really need an attic fan. Attic fans that operate with a thermostat usually automatically turn on the fan based on the temperature that the homeowner sets.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. In most cases attic fans are used to cool the attic. However more often than not. The result is a cooler attic space with plenty of air exchange.

Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. 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. Of attic space at up to 1550 cfm. In the winter this fan reduces the risk of ice damming.

The white roof lowered the attic temperature by about 20 f.