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 ...

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 ...

As years pass by, duct systems get older. After 15-20 years (average interval) we begin to see signs of deterioration. This phenomenon can cause major air quality issues if not repaired. Issues ...

Replacing or upgrading HVAC infrastructure in an existing school involves more than selecting equipment that can deliver the ...

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 ...

The NADCA-certified West Palm Beach firm releases 2026 field findings – and details what a properly sealed duct system actually looks like – as rainy-season humidity peaks. WEST PALM BEACH, FL / ...