When the temperature within the attic reaches a set point the fan will turn on and start venting the heated air cooling the attic space.
How to set attic fan humidistat.
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As a general rule the lower the outdoor temperature the lower should be the recommended humidity setting.
You can set your humidistat at one percent below the level where the moisture starts to condense on a single pane window.
If the outdoor temperature is near 10 f set the humidistat to 20 percent.
Ideal attic temperature and humidity settings.
In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time.
Ideal attic temperatures and humidity settings aren t always easy to maintain.
If the outdoor temperature is near 10 f set the humidistat to 30 percent.
When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.
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Freezing and excessively hot outdoor temperatures rain and high.
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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.
If the temperature is near 0 f set the humidistat to 25 percent.
What temperature should attic fan be set at.
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Set the humidistat knob on the humidifier to the following winter settings as recommended by the ask the builder website.
7e8 attic fan humidistat wiring diagram resources.
Likewise adjustable thermostats will shut the fan off.
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