Boiler FD fans tend to be complicated units with many components, including three or four control dampers, to regulate airflow at all firing conditions.
It’s important for engineers to realize that the health of building occupants, both now and after COVID-19, is strongly affected by indoor air management.
Dr. Junfen Zhang, professor of global and environmental health at Duke University's Nicholas School of the Environment, recommends diligently monitoring and improving IAQ through regular testing and making adjustments to our daily habits.
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