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 David Monson’s region of New Hampshire, the Armstrong Duct, Vent, Hearth and Home operations lead says he often works on what he calls “Brady Bunch” houses – homes built in the ‘60s, ‘70s and early ...

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 ...