Article: Moving massive amounts of air.(BIG ASS FANS)(Brief article)

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* When it comes to heating and cooling large rooms efficiently, bigger fans are better. Most regular-ass fans top out at just under 5 ft in diameter, but the blades on a Big Ass Fan range from (5 to 24 ft. The size and design let them turn slowly--using less energy--while still achieving 25 times the airflow of models you might find in a warehouse. Also, typical ...

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