Price Solution: UFAD Contributes to LEED Gold
The desire for a highly flexible, energy efficient workspace led to the implementation of a raised access floor and Price Underfloor Air Distribution System (UFAD) system. JE Dunn has worked on
numerous UFAD projects and wanted to take advantage of its distinct energy saving and flexibility benefits. Using underfloor air distribution also allows JE Dunn to use their Headquarters as a
live demonstration of the advantages offered by a raised floor and UFAD system.
Price Round Floor Turbulent Flow Diffusers (RFTD) provide cooling throughout the interior of the space, while linear floor grilles with heating (LFG-H) are installed around the building perimeter.
The LFG-H units have a changeover capability that allows for both hydronic cooling and electric heat.
In cooling mode, UFAD systems offer the energy saving benefits of thermal stratification, meaning that there is a temperature gradient in the UFAD zone, with higher temperatures toward the ceiling
and lower temperatures toward the floor.
UFAD only thermally conditions the occupied zone – the first six feet of space in a room. This thermal stratification is a significant contributor to the reduced HVAC energy consumption.
Additionally, stratification improves indoor air quality as contaminants are moved out of the breathing area as the warm air rises, and then removed via high level returns.
Environmental stewardship spanned all areas of the building and included sustainable features such as the integrated raised access floor, a stormwater capture and reuse system, low VOC emitting
materials, and highperformance glazing. This improved energy efficiency, along with the individual comfort control offered by Price’s face-adjustable UFAD diffusers and improved indoor air quality
inherent of a stratified system all contributed to JE Dunn successfully achieving its LEED Gold target at an energy usage of only 2 watts per square foot.