Attic Fan Humidity Setting For Winter

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Attic fan humidity setting for winter.

Attic fan humidity setting. When it comes to humidity you would be best to have the levels below 50 to avoid mold growth and structural rot. How is an attic fan controlled. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f.

The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. The results are that the attic temperature is close to the outside temperature but the relative humidity is significantly higher in the attic than either the indoor or outdoor readings. I have a new attic fan w thermostat set at 110 and humidistat set at 60. 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.

Controlling indoor humidity levels can make the air feel cooler or warmer thus making the air more comfortable. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees. I believe it is due to the new attic fan which seems to run all the time. A humidistat is a device on humidifiers that regulates the amount of relative humidity inside a home or building.

Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. What temperature should attic fan be set at. Winter air is by nature not humid so the problem must be condensation related.

In winter the humidistat operates the attic fan when the relative humidity exceeds a preset. The normal indoor humidity range in winter should be 15. In areas with high humidity homeowners should install a humidistat which will start the fan when a certain humidity level is reached to reduce the amount of moisture in the attic limiting mold and rot. With installation of this new fan the temperature in my house is colder than it was last year by about 2 degrees.

February 13 2017 by zamira leave a comment.