The Big Ass Fans team have produced a study showing that installing HVLS fans in tandem with wall mounted UV lights can help reduce the accumulation of airborne bacteria and viruses in large spaces. This study of healthcare facilities by the National Institute for Occupational Safety and Health shows that UVGI effectiveness increases from 12% to 89% when an overhead fan is used to destratify the air in the space. (see graph to right)

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With the extreme health risk of the current pandemic, it is important to understand the impact of energy recovery systems and their potential recirculation of volatile organic compounds, including viruses. In order to prevent the recirculation of viruses, measuring the airflow on both the supply and exhaust sides of an energy recovery wheel is critical. Ensuring that the supply air pressure is greater than the exhaust air side will prevent the transfer of pathogens back into the fresh supply air stream.

EBTRON Gold Series Airflow Measurement Devices output highly accurate supply and exhaust airflows ensuring safe operation of any energy recovery system, while also measuring temperature and humidity in each airstream. Rather than bypassing energy recovery systems per ASHRAE’s COVID Guidelines, utilize EBTRON airflow measurement to continue safe operation of your energy recovery systems.