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 ...

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 ...

Before selecting duct materials, it helps to understand how air flows from your heating/cooling unit through the duct network. Most systems use either a hot air furnace or an air conditioner ...