When the temperature within the attic reaches a set point the fan will turn on and.
Attic fan temperature setting florida.
Ideal attic temperatures shouldn t be more than 10 to 20 degrees hotter than outside temperatures.
On one hand the national renewable energy laboratory said attic ventilation reduces attic temperature 10 to 25 degrees and slows the transfer of heat into the living space on the other the florida solar energy center university of central florida found that attics with nominal natural ventilation and r 19 ceiling insulation do not.
The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.
Now if the ridge vent is only partial or if the attic air temperature is excessive 20 degrees higher than the outside air fans may prove beneficial pick the right fan.
Most manufacturers and contractors recommend a temperature setting between 100 and 110 degrees fahrenheit.
Most attic fans operate with a thermostat that automatically turns the fan on and off based on a temperature the homeowner sets.
During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
What temperature should attic fan be set at.
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.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
As mentioned earlier adjustable thermostats give you the ability to simply set a dial and forget about the fan.
If your attic soars above 100 degrees and reaches the 150 mark its time to consult.
Quietcool attic fans work almost everywhere almost anytime.