Humidity Controlled Attic Fan

In winter the humidistat operates the attic fan when the relative humidity exceeds a preset.

Humidity controlled attic fan.

The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. Instead you want a whole house fan that is run when the outdoor temperatures are low not when the attic is hot and you want that fan to have a wall mounted switch that you can control. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f. A couple different fan styles can be used to help control the temperature of an attic space.

Air sealing an attic. The normal indoor humidity range in winter should be 15. Dayton 10n203 attic fan thermostat attic fan control degrees fahrenheit to volts amps 2 3 out of 5 stars 5. 40 watt solar attic fan bdb with thermostat humidistat adapter 22 5 x 22 5 x 11 in runs at night brushless motor solar vent hail and weather resistant.

How is an attic fan controlled. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. Ideally your installer would have found a way to increase the vent openings in your attic so that a whole house fan could be installed. Even on scorching summer days the air outside your house is nowhere near as hot as the air trapped inside the attic.

Here is a link to an article that describes the work. Their functions differ somewhat. Bought this for my attic fan to help control heat and humidity up there. The quietcool afg pro 3 0 attic gable fan can help cool and ventilate your attic for just pennies an hour.

High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house. Well the temperature control works great but the humidity control isn t very good finally had to turn it off cause it would just kick on at random times when humidity low and that is the setting that was turning it on. Attic venting fans are also called attic fans attic ventilators and attic exhaust fans. Running at 250 watt and moving over 2860 cfm this fan uses less power than typical attic fans that move half the amount of cfm.

So the first step is to seal the air leaks. Iliving 800 cfm shutter exhaust fan at amazon this fan can easily remove excess heat moisture and odor from any space up to 1 200 square feet. Quietcool smart 2830 cfm power gable mount attic fan at amazon this model is our top pick for its ease of use simple installation and maximum energy efficiency best budget. The afg pro 3 0 is possibly the most powerful residential attic fan on the market today.