HVLS Fan Guides

HVLS Fan Motor Types: Direct Drive vs Gear Drive

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HVLS Motor Selection Guide Most HVLS fans use one of two drive systems: a direct-drive motor or a geared motor system. Direct-drive designs connect the motor directly to the fan hub, while gear-drive systems use a gearbox to...
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What Is an HVLS Fan?

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HVLS FAN FUNDAMENTALS HVLS stands for High Volume, Low Speed. An HVLS fan uses a large blade diameter and relatively low rotational speed to move a substantial volume of air across a broad area. Instead of creating a...
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How HVLS Fans Work: Air Movement, Cooling and HVAC

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HVLS Airflow Principle HVLS fans use large airfoils rotating at relatively low speeds to move a broad column of air downward. Once the air reaches the floor, it spreads horizontally through the occupied space and gradually returns toward...
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