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Improving Indoor Environments With HVLS Fans
Jun 05, 2017

Distribution centers, manufacturing plants, and other large, open industrial facilities face a host of unique design and environmental control challenges. In the summer, they can become uncomfortably warm, while in winter their inhabitants often shiver at floor level while heated air rises into the rafters. They also face condensation-related issues, ventilation-related issues, and—because of their sheer size—potential difficulties with zone-specific management.

While HVAC and building management systems (BMS) can address these problems to some extent, savvy facilities managers now have another weapon in their arsenal: networked systems of high-volume, low-speed HVLS fans. By mixing heat-stratified layers of air, HVLS fans make HVAC systems more efficient, significantly improving employee comfort and health in all seasons, while providing additional benefits in buildings with no air conditioning. They also help to reduce energy consumption, combat air quality-related problems, and even can be integrated into fire prevention systems.

Seasonal Benefits of HVLS Fans
The environmental benefits of HVLS fans in both hot and cold weather have been well documented. In steamy climates, they can help industrial facilities guard against heat stroke, heat exhaustion, and other heat-related maladies by providing workers with an evaporative cooling sensation, reducing the effective temperature by 7-11 degrees. This not only makes employees safer and more productive, but also it allows for significantly lower settings on the air conditioning system.

HVLS fans' benefits are even more pronounced in the winter months. They mitigate the rising heat effect by destratifying layers of heated air, gently circulating warm air from the ceiling back toward employees at the floor level. Thus, facilities equipped with HVLS fans reduce the burden on their heating system and don't require as high a thermostat set-point to achieve a standard level of environmental comfort—reducing energy consumption and saving money.