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How many sones are quiet bathroom fans
A quiet bathroom fan typically has a sone rating of 1.5 to 2, offering a soft noise level comparable to a
quiet refrigerator.
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What is a good high CFM for fans
A good high CFM for fans depends on the size and purpose of the space, with general guidelines suggesting
2,000–9,000 CFM for residential areas and significantly higher CFM for larger industrial spaces.
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What Is the Difference Between Ceiling Air Ventilation Fans and Exhaust Fans?
The main difference between ventilation fans and exhaust fans is that ventilation fans bring fresh air into
a space, while exhaust fans remove pollutants and contaminants from indoor air.
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