HVAC uses of flexible air duct have grown exponentially over the last two decades, all over North America. Contractors and installers say they like it, and some find it indispensable. It has changed ...

In this paper, we investigate the pressure and airflow tolerances of flex ducting as it pertains to air duct cleaning. Flex ducting is a type of ductwork that consists of a flexible inner core covered ...

Q: What’s the best kind of ductwork to do when building a new house? Should ducts be rigid metal or should you install flexible ducts? A: Most of what’s being installed in new houses now is flexible ...