ANAHEIM, Calif. - Ductwork has some new responsibilities. If the 2004 International Air-Conditioning, Heating, Refrigerating Exposition (AHR Expo) is any indication, ductwork and duct accessories no longer just move the air around an environment. They now help to keep the environment clean, as well as minimize and eliminate sound from HVAC systems.

Ductwork is also coming in a variety of sizes and shapes in order to accommodate every application a contractor could find in the field.