Attic Fan Winter Humidity Setting

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.

Attic fan winter humidity setting.

Since your attic can effortlessly soar above 95 degrees on average it s best to make sure that this space doesn t reach ten degrees above the day s forecast as many industry professionals can agree on. At 48 52 you re at the upper tier of the recommended 35 50 during heating season. In the winter plastic often becomes very brittle making it easy to snap a fan blade under normal use. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time.

How is an attic fan controlled. The normal indoor humidity range in winter should be 15 to 50 percent. It could be that despite having done what. Set the humidistat knob on the humidifier to the following winter settings as recommended by the ask the builder website.

Dual thermostat humidistat control for power attic ventilators. Known as the primetime for heat and humidity this is one of the most important seasons to make sure that your attic fan is adjusted correctly. Normally the humidistat setting should range between 15 to 50 percent. Attic fans green air solutions heating conditioning los.

Eliminating mold and mildew on the roof structure is the ultimate goal. The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. If the temperature is near 0 f set the humidistat to 25 percent. In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f.

If the outdoor temperature is near 10 f set the humidistat to 20 percent. What stands out is the high relative humidity inside the house. Controlling the humidity levels of your attic is also important as it can easily make or break the performance of your hvac systems. In winter the humidistat operates the attic fan when the relative humidity exceeds a preset level usually 40 to 50.

Winter air is by nature not humid so the problem must be condensation related. This reduces attic moisture. Cool attic ventamatic 1 day programmable dual thermostat and. When it comes to humidity you would be best to have the levels below 50 to avoid mold growth and structural rot.

If the outdoor temperature is near 10 f set the humidistat to 30 percent. However it should also depend on the season the temperature outdoors as well as indoors. Master flow manually adjule humidistat for power vents h1. Dayton 2 spst attic fan thermostat humidistat with 60 to 120 f.