Attic Fan Winter Humidity Setting

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

Attic fan winter humidity setting.

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. When the temperature within the attic reaches a set point the fan will turn on and. Dayton 2 spst attic fan thermostat humidistat with 60 to 120 f.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time. 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. Controlling the humiditylevels of your attic is also important as it can easily make or break the performance of your hvac systems. In the winter plastic often becomes very brittle making it easy to snap a fan blade under normal use.

Cool attic ventamatic 1 day programmable dual thermostat and. Attic fans green air solutions heating conditioning los. If the temperature is near 0 f set the humidistat to 25 percent. 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.

If the outdoor temperature is near 10 f set the humidistat to 20 percent. Master flow manually adjule humidistat for power vents h1. Winter air is by nature not humid so the problem must be condensation related. Proper humidistat setting attic fan june 27 2019 by zamira leave a comment dual thermostat humidistat control for attic fan installation how to install master flow 1500 cfm black power roof jet fan journals attic attic fans green air solutions.

The normal indoor humidity range in winter should be 15 to 50 percent. However it should also depend on the season the temperature outdoors as well as indoors. At 48 52 you re at the upper tier of the recommended 35 50 during heating season. 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.

Set the humidistat knob on the humidifier to the following winter settings as recommended by the ask the builder website. What stands out is the high relative humidity inside the house.