Attic Fan Winter Humidity Setting

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Attic fan winter humidity setting.

In winter the humidistat operates the attic fan when the relative humidity exceeds a preset level usually 40 to 50. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. What stands out is the high relative humidity inside the house. It could be that despite having done what.

How is an attic fan controlled. When the temperature within the attic reaches a set point the fan will turn on and. If the temperature is near 0 f set the humidistat to 25 percent. If the outdoor temperature is near 10 f set the humidistat to 30 percent.

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. Dual thermostat humidistat control for power attic ventilators.

Set the humidistat knob on the humidifier to the following winter settings as recommended by the ask the builder website. The ideal way to control the operation of an attic fan is with a thermostat and a humidistat. If the outdoor temperature is near 10 f set the humidistat to 20 percent. View all bits bites.

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. However it should also depend on the season the temperature outdoors as well as indoors. Eliminating mold and mildew on the roof structure is the ultimate goal. Controlling the humidity levels of your attic is also important as it can easily make or break the performance of your hvac systems.

In summer the thermostat operates the fan when the attic temperature reaches a preset level usually 90 to 95 degrees f. 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. When it comes to humidity you would be best to have the levels below 50 to avoid mold growth and structural rot. Attic fans green air solutions heating conditioning los.

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. For example if the indoor temperature is 70 degrees and the outdoor temperature is 20 degrees then the recommended humidity. 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.