WHAT IS A DUCT SYSTEM?
The ventilation system in a building consists of air moving devices such as fans and blowers and a network of ducts to exhaust the contaminated indoor air and to bring in air from the outside of the building. Ducts are channels, tubes, or pipes that carry moving air. What are some basic principles of duct design? Duct systems should be designed to have air flow through the ducts with as little friction or resistance as possible. The amount of air that flows through a duct depends on the cross section area (duct opening area) […]This content is for BHHC Safety Center policy holders.
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