Air Distribution System, Ductwork

A house is a complex system of interacting parts that contribute to overall performance including comfort, energy use, health, maintenance, and longevity. For example, a common air distribution system utilizes supply ducts running through the attic and return ducts tied directly to the air handler inside the home. If the ductwork is not properly sealed and there are combustion appliances in the home, this configuration can lead to health and fire hazards because the... 

Duct design The process of sizing ductwork to ensure the optimum performance in initial costs, running costs, and the distribution of air in a duct distribution system. The design techniques may be... 

Larger ducted ventilation systems, as used in offices and commercial premises using a central air-handling unit and fabricated distribution ductwork, are akin to air-conditioning systems but with less treatment to the air at the AHU (see Chapter 29). 

Are terminal HEPA filters on room air supplies necessary to prevent risk of product migration from one manufacturing area to another through ductwork distribution systems when air handling plant is inoperative ... 

A system that utilizes underfloor space for distribution of air rather than overhead plenum space or supply ductwork. 

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