They are more powerful than bathroom exhaust fans and clear out a greater volume of air.
How to test temperature controlled attic fan.
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.
Temp 92 f at 5pm.
That said attic fans are not the best choice for cooling attics especially if you have central air conditioning.
Just like a bathroom exhaust fan attic fans direct accumulated hot air out while bringing in cool air from outside.
During workdays would leave air conditioner off when leaving in the morning.
Quietcool attic fans work almost everywhere almost anytime.
After attic fan installation ac still off during day.
Temp 84f at 5pm.
This was observed on numerous days following the installation.
Attic ventilators generally turn on between 90 and 110 degrees fahrenheit.
The reason is that attic fans depressurize attics and can rob air conditioned air from the main body of the house greatly decreasing efficiency.
The attic fan kept my house cooler by 8f compared to pre fan installation days.
There is an automatic monitoring mechanism for the attic fan that switches it on or off according to the internal temperature.
Depending on its layout your home may be better suited to one or the.
Their functions differ somewhat.
What temperature should attic fan be set at.
A couple different fan styles can be used to help control the temperature of an attic space.