Humidity Setting For Attic Fans

I have a new attic fan w thermostat set at 110 and humidistat set at 60.

Humidity setting for attic fans. The results are that the attic temperature is close to the outside temperature but the relative humidity is significantly higher in the attic than either the indoor or outdoor readings. The difference in setting the thermostat at 90 versus 100 is only a matter of minutes in some roof exposures. February 13 2017 by zamira leave a comment. Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

The normal indoor humidity range in winter should be 15. With installation of this new fan the temperature in my house is colder than it was last year by about 2 degrees. Attic fan humidity setting. This will help to avoid premature damage to the shingles or mold building up in moist hot.

When the air in your attic becomes super heated it can drastically increase the workload on your air conditioner. Before the advent of air conditioning attic fans or whole house fans were the primary means used to cool residential housing. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. 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.

Attic temperatures can reach upwards of 150 degrees in the summertime and an attic fan can help evacuate the hot air and humidity that can build up. If the thermostat is set a little bit high the natural convection cooling of the attic ventilation system will bring the temperature down the rest of the way in a reasonably short period of time after the fan shuts off. 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. In particularly hot climates set the temperature higher to keep the fan from running for extended periods of time.

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. I believe it is due to the new attic fan which seems to run all the time.