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Underfloor Air Distribution Explained

For an introduction to underfloor air distribution (UFAD), read our Technology Overview. For an explanation of terminology relating to UFAD specifically and HVAC systems in general, check out our Glossary.

Visualizing The Technology

The performance and cost effectiveness of an UFAD system is determined by the proper operation and successful integration of a large number of components. Our interactive diagrams of a Typical Office Work Space in perspective view, and Sample Office Building Plans and Sections, offer a 3-D interpretation of some of the major components of UFAD technology. Examples of three different underfloor plenum layouts are presented:

  • Multi-zoned with extensive perimeter ductwork.

  • Multi-zoned with limited perimeter ductwork.

  • Open-plan plenum

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