Across the industry, gaps in system design, commissioning, airflow, and more are still rearing their ugly head, impacting ...

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 ...

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 ...