Tech Talk 3: High volume low speed fans in sprinklered buildings

Risk advisory | August 2018

High Volume Low Speed (HVLS) fans are increasingly being used in industrial buildings protected by automatic sprinkler systems. Their large physical size has created several concerns among the fire protection community regarding their impact on sprinkler performance. These concerns are focused on the obstructions created by the fan blades themselves and the velocity of the air created by these fans while operating.

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