As many contractors attest, a supply air plenum is a sheet metal box attached to a furnace or air handler’s outlet and is used as a central manifold connector for other ductwork. As the air blows from ...

To fully understand how to install a high-velocity HVAC system, one must know what it is and what it does. Basically, it is a small duct, high-velocity airflow, heating and cooling system designed to ...

Construction on the Advanced Technology Center in Virginia Beach, Va., was completed in late 2002. Final testing of the Cat. 5e cable plant was proceeding smoothly with the exception of the cables to ...