Attic Vent Fan Settings

Humidity settings are another issue that can make or break the performance of your heating and cooling systems and your attic ventilation.

Attic vent fan settings.

Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning. Of course some environments are much hotter than others so this will be the perfect time to measure out how warm your attic will get during the most heated of seasons. Ideally your attic space will stay in the same temperature range 105 115 degrees and the only true way to tell is to stick a thermometer into your attic overnight.

In particularly hot climates set the temperature higher to keep the fan from running for extended periods of. Master flow egv5 gable mount attic ventilators are master flow egv5 gable mount attic ventilators are a great choice for exhaust ventilation. An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents. When it comes to adjusting the thermostat of your attic s fan it s best to adjust it to approximately 90 to 95 degrees.

The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency. When exploring the best attic ventilation practices consider installing an attic ventilation fan to keep the hot air from settling in. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. They are typically easier to install and won t detract from the appearance of your roof.

Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. The first step is to check out this 60 second video and learn about the 300 1 rule the difference between intake and exhaust ventilation and why proper ventilation is so important to get right to help calculate your attic ventilation needs visit gaf ventilation calculator. This will help to avoid premature damage to the shingles or mold building up in moist hot. How do you pick the right attic vent.

How does an attic fan work. The normal indoor humidity range in winter should be 15. Most manufacturers recommend setting your attic fan thermostat between 105 115 degrees and monitoring how often and how long the fan runs to adjust the setting for your home.