Winter air is by nature not humid so the problem must be condensation related.
Attic fan humidity setting for winter.
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.
With installation of this new fan the temperature in my house is colder than it was last year by about 2 degrees.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
When it comes to humidity you would be best to have the levels below 50 to avoid mold growth and structural rot.
February 13 2017 by zamira leave a comment.
In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f.
Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.
The ideal way to control the operation of an attic fan is with a thermostat and a humidistat.
I am in chicago where temperature is around 30 today and humidity about 53.
I have a new attic fan w thermostat set at 110 and humidistat set at 60.
In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time.
Because there is less natural humidity in the air during the cold winter months the humidistat settings must be altered.
What temperature should attic fan be set at.
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.
Attic fan humidity setting.
A humidistat is a device on humidifiers that regulates the amount of relative humidity inside a home or building.
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.
In winter the humidistat operates the attic fan when the relative humidity exceeds a preset.
Proper humidistat setting attic fan june 27 2019 by zamira leave a comment dual thermostat humidistat control for attic fan installation how to install master flow 1500 cfm black power roof jet fan journals attic attic fans green air solutions.
I believe it is due to the new attic fan which seems to run all the time.
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