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HVAC Overview of Underfloor Air Distribution (UFAD)

COURSE NO: M04-036
PDH CREDIT: 4
COURSE PROVIDER: A. Bhatia
HVAC Overview of Underfloor Air Distribution (UFAD)
Course Highlights

This online engineering PDH course discusses how the UFAD system differs from the conventional HVAC design and reviews several key design issues pertinent to UFAD design.

 

Underfloor air distribution (UFAD) turns air supply upside down, allowing a floor plenum to deliver conditioned air to the space via floor diffusers in the raised floor system. The floor plenum typically consists of pedestals and removable floor panels that can be rapidly reconfigured. The space is divided into two zones: an occupied zone extending from the floor to head level, and the unoccupied zone extending from the top of the occupied zone to the ceiling.

 

The systems are designed to condition the lower occupied zone only and the temperature conditions in the upper zone are allowed to float above normal comfort ranges. The fact that conditioned air is delivered at floor level do provide energy savings while improving comfort and indoor air quality. While this strategy is most effective in new construction, it also can work in major retrofits. Thoughtful design is the key to successful application.

 

This 4 PDH online course is intended for mechanical and HVAC engineers, architects, building designers, contractors, civil estimators, energy auditors, facility managers and general audience interested in gaining a better understanding of underfloor air distribution systems. No specific prerequisite training or experience is required.

Learning Objectives

This PE continuing education course is intended to provide you with the following specific knowledge and skills:

  • Understanding conventional overhead and underfloor air distribution systems
  • Knowing  the difference between displacement ventilation and hybrid UFAD systems
  • Describing the comfort and productivity issues associated with UFAD systems
  • Describing the energy savings and indoor air quality improvement with UFAD systems
  • Differentiating between the perimeter and internal zones
  • Understanding the design approaches and control strategies for UFAD systems
  • Learning the access floor system design and construction issues
  • Knowing the economics, condensation and fire protection issues related to UFAD systems
  • Learning about the sustainability aspects of UFAD systems
  • Knowing how UFAD systems add to energy efficiency applicable for LEED certification
Course Document

In this professional engineering CEU course, you need to review the course document titled, "HVAC Overview of Underfloor Air Distribution (UFAD)".

To view, print and study the course document, please click on the following link(s):
HVAC Overview of Underfloor Air Distribution (UFAD) (1.06 MB)
Course Quiz
Once you complete your course review, you need to take a multiple-choice quiz consisting of twenty (20) questions to earn 4 PDH credits. The quiz will be based on the entire course document.
The minimum passing score is 70%. There is no time limit on the quiz, and you can take it multiple times until you pass at no additional cost.
Certificate of Completion

Upon successful completion of the quiz, print your Certificate of Completion instantly. (Note: if you are paying by check or money order, you may print your Certificate of Completion after we receive your payment.) For your convenience, we will also email you your Certificate of Completion. Also, you can log in to your account at any time to access and print your Certificate of Completion.

To buy the course and take the quiz, please click on: