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About Exhaust Fans
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Choose an exhaust fan based on the size of your space and how often you want to refresh the air.
Wind-Driven Roof-Mount Exhaust Fans
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Designed to spin freely with the slightest breeze, these fans create a vacuum that draws air out from buildings and ventilation systems—no electricity required. They are also known as turbine ventilators. Mount fans on your roof away from wind obstructions.
