The Fundamentals of Rigid Duct Design

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Observe these principles of fluid flow to deliver the right amount of air

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At the end of this month, I’m giving a little presentation at the ASHRAEAmerican Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE).
International organization dedicated to the advancement of heating, ventilation, air conditioning, and refrigeration through research, standards writing, publishing, and continuing education. Membership is open to anyone in the HVAC&R field; the organization has about 50,000 members.
conference in Las Vegas. Actually, I’m doing one third of the whole presentation, which is titled Flex Ducts, Hard Ducts and No Ducts: Migration Patterns for Duct Hunters (or not) in the Land of Thermal Comfort. My part is on hard ducts.

Chris VanRite is doing flex duct, and Robert Bean will cover the no-ducts part (which doesn’t refer to ductless minisplits but rather to hydronic distribution). We get 15 minutes each, so I’ll elaborate on my part a bit here.

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