The air leaving an air-conditioning unit may be properly cooled, but it still has to travel through ductwork before reaching offices, shops, meeting rooms or other occupied spaces. Along the way, the duct may pass through ceiling voids, plant areas and other spaces that are considerably warmer than the conditioned air inside it. In Singapore’s…
A commercial ACMV system can have efficient equipment and still struggle to deliver comfortable conditions throughout a building. Sometimes, the problem is not the air-handling unit or fan. It is the route the air has to travel. Incorrect duct sizing, unnecessary bends, poor layouts and badly positioned outlets can create resistance or uneven airflow. The…
A leaking duct joint does not necessarily justify replacing an entire duct system. Equally, repeatedly repairing badly deteriorated ductwork may only postpone a larger problem. For commercial building owners and facility managers, the important question is not simply whether the ductwork has a fault. It is whether that fault is localised and repairable or part…