Attic Fan Temperature Differential

When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.

Attic fan temperature differential.

Temp 92 f at 5pm. The fans cool the attic equalizing the temperature between the attic and outside of the home. It provides energy efficient operation of power attic ventilators and the temperature ranges from 50 f to 120 f. After attic fan installation ac still off during day.

The attic fan kept my house cooler by 8f compared to pre fan installation days. Attic fan thermostat switch type spst switch action close on rise number of switches 1 control range 80 degrees to 130 degrees f differential 15 degrees f height 4 9 16 in width 2 13 16 in depth 2 1 8 in sensor type bimetal for use with attic ventilators fans and dampers color beige silver face application attic fan control. This prevents snow from melting on your roof and freezing when it hits the cold gutter. During workdays would leave air conditioner off when leaving in the morning.

Temp 84f at 5pm. Freezing and excessively hot outdoor temperatures rain and high. Ideal attic temperature and humidity settings. During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.

Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. This was observed on numerous days following the installation. With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.

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. The closer you can get the max attic temp swings to ambient the better but it is really hard in existing housing stock especially when the existing roofing surface is nowhere near needing replacement. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of. Energy efficient power attic ventilator.

Ideal attic temperatures and humidity settings aren t always easy to maintain. The ceiling design temp should be the greatest attic temp delta t not the ambient air temps. 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. What temperature should attic fan be set at.