Airflow velocity in a residential HVAC market duct system is an important design consideration. Although designing for proper velocity applies to all ducted HVAC construction systems — heat pumps, air ...

The National Air Duct Cleaners Association (NADCA); also known as the HVAC Inspection, Cleaning, and Restoration Association; today announces the publication of a white paper on methods of inspecting ...

Heating, ventilation, and air conditioning (HVAC) systems in commercial buildings can be of great assistance to firefighters, but they can also be our worst nightmare. In order to truly understand how ...

While exposed ceilings in office interiors lend a spacious, open feel, this trendy architectural feature has created a new challenge: finding a viable return air path. Plenum ceilings use the area ...

But what workers hate is not the air-conditioning itself. It’s the way that air-conditioning is distributed: through snaking overhead tunnels of metal ductwork and out the end of just a few vents ...

Engineers say some of the 15,000 feet of ductwork already installed will have to be removed after mold was discovered in the U.S. Strategic Command headquarters. Inspectors have discovered mold ...