This sends hot air up and out cooling your house and your attic.
Hot air from attic behind wall.
Of clearance above the fan.
Make sure they are all open and will allow for the maximum amount of air to pass through.
Alternatively install passive vents such as gable soffit and ridge vents which are openings in the roof that allow hot air to escape.
Reverse stack effect in hot weather will create a highway of hot air from your attic into the house especially the upstairs.
The opposite happens in cold weather thus your improved temperature balance in winter.
These fans are commonly mounted in an upstairs stairwell or hallway ceiling where there s at least 3 ft.
Your vents can get clogged from dirt rust or insulation that was blown in from the attic.
Seal all attic air leaks.
Install electric ventilators and attic fans which remove hot air from an attic.
They have thermostats that turn the fan on at a recommended preset temperature of 100 110 degrees.
Attic ventilation fans are a type of attic fan that cools attics by pushing hot air outside while pulling in cooler air from soffit and gable vents.
A powerful fan draws cooler early morning and evening air through open doors and windows and forces it up through the attic and out the roof vents.
Intake vents located at the lowest part of the roof under.