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 ...

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 ...

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 ...