Although the number of applications for underfloor-air-distribution (UFAD) systems has increased over the years, the basic design concept for UFAD has not changed. UFAD systems utilize the space under an access floor as a supply-air plenum, taking advantage of thermal stratification to reduce energy use. The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) recommends that an occupied zone have a temperature of 73 to 77°F, a relative humidity of 25 to 60 ...

Register For Free or Sign In to Access

"Printer-friendly" is FREE to access as a registered user on HPAC.com. Why register for HPAC.com? It's simple and free, and provides:

  • Access to exclusive articles and news coverage
  • The full version of all monthly digital editions dating back to 2010
  • Allows you to comment on articles and discuss news with HPAC's editors
  • Gain valuable media content and more!

Already registered? here.