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June 2021
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Thursday, June 03, 2021 - Sunday, June 06, 2021

Testing, Adjusting and Balancing Seminar - June 2021

All Day Event TAB_image

The seminar and exam will be held at NEBB TEC, in Gaithersburg, Maryland

*Seminar is currently full, but waiting list requests are being accepted*



This seminar will cover engineering principles, charts, diagrams, problem solving and techniques, along with reviewing HVAC principles involved with TAB work and HVAC testing, including:


Formulas and Their Use

Formulas are used daily by a TAB professional and should be memorized and applied appropriately as needed. Formulas include ratios of speed vs volume vs pressure vs BHP for air and hydronic systems.  Other formulas that become necessary on occasion include V-belt length, BTUH, sensible, latent and total heat, and others.  Attendees will receive a list of commonly used formulas for their use and application.



Attendees will re-familiarize themselves with single vs three phase systems, how to measure voltage and amperage, overload protection, calculation of brake horsepower and the need for using safe practices and safety equipment for protection while gathering necessary measurements.


Fan Laws & Curves

Fan affinity laws will be covered and attendees will review how to apply known data to fan curves. Instructors will discuss individual fan systems as well as fans in series and fans in parallel.


Pump Laws & Curves

Pump affinity laws and how to apply known data to pump curves will be discussed and demonstrated. Individual pumping systems as well as open systems, closed systems, pumps in series and pumps in parallel and NPSH requirements will be covered.


Air Systems:

Various configurations of air systems such as supply, return and exhaust systems as well as constant volume, variable volume heat recovery, induction systems, active chill beam systems, and makeup air systems will be reviewed.



The use of a psychrometric chart as it applies to TAB and relates to the physical properties of air and the relationship of the properties to each other will be reviewed. Attendees will spend considerable time learning to plot psychrometric charts and understand the principles.


Problem Solving

TAB Professionals identify problems and determine solutions or provide necessary information for responsible parties to address and correct the problem. This involves solid logic capabilities requiring the professional to exercise a systematic approach to the identification and resolution of problems or difficulties exposed by the TAB process.


Engineering Fundamentals

The course will cover basic Heat Transfer and Fluid Mechanics as they relate to TAB.


TAB Procedural Standards and TAB Reports

The course will cover the requirements of the NEBB TAB PS and will address what constitutes a NEBB TAB.


Registration is now open!

Please click below for the Seminar Brochure

TAB Seminar Brochure

Seminar Registration Deadline: May 20, 2021


Please click below if you are interested in certification and/or taking the exam at this seminar.

For questions about technical seminars, please email 


Certification Information

Applications for candidacy Deadline: May 20, 2021


For questions about the NEBB Certification process, please email



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