Proper Attic Fan Temperature Setting
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.
Proper attic fan temperature setting. Received 0 votes on 0 posts attic fan temperature setting i just recently replaced my attic fan and need a recommendation as to what temperature setting to use. Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets. I ve seen recommended settings to be any where from 95 degrees to 105 degrees. If your attic soars above 100 degrees and reaches the 150 mark its time to consult professionals.
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. Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures. Attic ventilators generally turn on between 90 and 110 degrees fahrenheit. 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 and check the reading every couple hours.
The range on the fan is from 50 to 130 degrees f. 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. That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
When the temperature within the attic reaches a set point the fan will turn on and. Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit. It essentially pulls that cooled air through cracks and crevices in the attic floor and also through holes that allow for wires and pipes.