High Temperature Cut Out For Attic Fan

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.

High temperature cut out for attic fan.

These fans lower the temperature in the attic as well. These fans exhaust into the attic space which is okay because they re moving fresh not hot air. 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. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of. The result is a cooler attic space with plenty of air exchange. The white roof lowered the attic temperature by about 20 f. Install electric ventilators and attic fans which remove hot air from an attic.

Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic. Temp 84f at 5pm. 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. In moderate climates these are.

Attic ventilation fans help cool air your attic by pushing out the stifling hot air from inside the attic and bringing in cool air from outside. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. After attic fan installation ac still off during day. This prevents hot air from seeping into your home and driving up the temperature in the living space which reduces the load on your air conditioner.

You usually run a whole house fan at night. They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.

What temperature should attic fan be set at. The attic fan kept my house cooler by 8f compared to pre fan installation days. Temp 92 f at 5pm. During workdays would leave air conditioner off when leaving in the morning.

This was observed on numerous days following the installation.