Attic Fan Humidity Control

If you have too high humidity in your attic a dehumidifier is certainly a good idea.

Attic fan humidity control.

Types of attic fans. Below are some of the most common causes of high humidity in an attic. Air sealing an attic. If you re looking to de moisturize your attic on a budget a standard electric fan should adequately control the humidity of all but the most humid attics.

A couple different fan styles can be used to help control the temperature of an attic space. You need to make sure there is adequate ventilation in your attic to allow warm moist air to escape. At higher levels relative humidity condensation can even occur inside of the house on windows cold walls or ceiling surfaces. Their functions differ somewhat.

The moisture was rising with the warm air of the home as it escaped past the insulation and it was trapped in the attic because there was no roof ventilation. The humidity in the basement measured 40 the first floor was 45 50 but the attic was 62. During the winter months the recommended relative humidity inside a house is anywhere between 30 50 percent. Here is a link to an article that describes the work.

During winter months humidity from this escaping air can condense on cold attic surfaces leading to mold. Thermostat setting adjusts from 60 120 degrees f normal settings are 85 110 degrees f. Ac infinity airlift t10 shutter exhaust fan 10 inch with temperature humidity controller wall mount ventilation and cooling for sheds attics workshops 4 6 out of 5 stars 125 129 00 129. It removes excess heat from an attic in summer and humidity in winter and allows equalization of inside and outside attic temperatures dual humidity control.

The normal indoor humidity range in winter should be 15. However you should also try to find out the root cause of the humidity. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation. High humidity in an attic is usually caused by air leaks in the ceiling of the top floor of your house.

Regardless of the type of fan you choose make sure to run it on a fairly consistent basis. If the attic has blown in cellulose check to see if there is a vapor barrier and confirm the cellulose.