Underfloor Air Distribution: Lessons Learned
HVAC systems using underfloor air distribution (UFAD) promise multiple benefits. These include:1 improving occupant satisfaction by providing control over personal air supply through use of manually adjustable diffusers; making building systems more flexible and easily re-configurable, with the effect that churn* can be less expensive; improving room ventilation by delivering fresh air closer to occupants; and reducing building energy use due to decreased central fan energy, extended economizer cooling, and improved cooling-cycle efficiency. Citation: ASHRAE Journal, vol. 44, no. 5, May 2002