Difficult Designs: Systems That Make TAB a Challenge

  Abstract: HVAC systems that appear straightforward in design documents and sequences of operation can present significant challenges during Testing, Adjusting, and Balancing (TAB) when installed and operating in the field. This course examines several system configurations that frequently create difficulties for TAB professionals, including shared outside air ductwork, fresh air ducted to multiple small...

15 Jul

2:00 pm - 3:00 pm

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Digital Solutions For TAB Firms: The Next Chapter With TABopts

Abstract: TABopts Takeoff permits swift counts of equipment, air distribution, and more by simply clicking on the mechanical prints provided in PDF format. The software compiles each item count on the individual PDF along with equipment totals for the entire project. These totals can then be transferred to the takeoff in TABopts Project Management to...

17 Jun

2:00 pm - 3:00 pm

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Using TAB Experience to Troubleshoot Performance Issues

Abstract: This course examines how Testing, Adjusting, and Balancing (TAB) professionals apply field experience and systematic troubleshooting methods to resolve HVAC performance issues after systems are placed into operation. Using real-world scenarios, the discussion highlights common causes of airflow and temperature deficiencies, including duct leakage, fan performance problems, coil bypass, and system bypass conditions. The...

20 May

2:00 pm - 3:00 pm

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In Search of the Healthy Classroom

Abstract: This course examines strategies for evaluating and improving indoor air quality and ventilation performance in K–12 classrooms, as presented in the TAB Journal article “In Search of the Healthy Classroom.” Participants will review how testing, adjusting, and balancing (TAB) professionals assess filtration, air distribution, building pressure, and ventilation rates to determine whether existing HVAC...

15 Apr

2:00 pm - 3:00 pm

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Diagnosing System Effect Common Causes And Where to Start

This course explores the concept of system effect and its impact on fan and air handling system performance, as presented in the AABC TAB Journal article “Diagnosing System Effect: Common Causes and Where to Start.” Participants will review how airflow restrictions, improper duct configurations, and installation deficiencies at fan inlets and outlets can reduce system...

18 Mar

2:00 pm - 3:00 pm

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The TAB Industry: Where It’s Been and Where It’s Going (A Conversation with 2025 AABC Hall of Fame Modern Inductees)

This moderated conversational session features two Hall of Fame recipients from the Testing, Adjusting, and Balancing (TAB) profession, reflecting on their distinguished careers and the enduring importance of independent TAB practice. Guided by a moderator, the discussion explores professional pathways in TAB, the ethical principles that define independent practice, and real-world experiences that demonstrate TAB’s...

18 Feb

2:00 pm - 3:00 pm

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Source Air Temperature Troubles

This program draws on key findings from the AABC “Source Air Temperature Troubles” article to highlight common pitfalls in air handling systems, from coil sealing issues to improper airflow distribution, and to show how rigorous testing, adjusting, and balancing (TAB) practices can prevent them. Participants will explore how certified independent TAB firms, under AABC standards,...

21 Jan

2:00 pm - 3:00 pm

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Mastering Stairwell Pressurization: A TAB-Centered Approach

  Stairwell pressurization systems are a critical life safety feature designed to maintain smoke-free egress paths during fire emergencies. This session explores the testing and balancing (TAB) process for these systems in accordance with NFPA 92 and NFPA 101. Attendees will examine procedures for evaluating fan performance, verifying relief damper operation, and conducting differential pressure testing across multiple...

10 Dec

2:00 pm - 3:00 pm

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Specifying Duct Leakage – Percent Leakage vs Leakage Class

Energy efficiency is a main concern for HVAC systems relating to Duct system leakage. The concerning question is how the engineer specifies duct leakage in specifications. Learning Objectives Know and understand the different standards : AABC Leakage Standards / SMACNA Seal Class A / ASHRAE 90.1 / California Uniform Mechanical Code. Be familiar with how...

19 Nov

2:00 pm - 3:00 pm

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TAB Best Practices from the ACG Building Systems Commissioning Guideline

Testing, Adjusting, and Balancing (TAB) is a cornerstone of the building systems commissioning process, ensuring HVAC systems achieve design intent and operate at peak efficiency. This session draws from the ACG Building Systems Commissioning Guideline to highlight best practices for integrating TAB agencies into commissioning workflows during both design and construction phases. Attendees will learn...

17 Sep

2:00 pm - 6:00 pm

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Periodic TAB of Existing Buildings

Watch now Discover how regular TAB practices can maintain system efficiency, enhance indoor environmental quality, and reduce operational costs in existing buildings. Learning Objectives Understand the importance of periodic testing and balancing (T&B). Identify key components and systems involved in T&B. Understand the T&B process and tools used. Analyze common HVAC issues in existing buildings....

20 Aug

2:00 pm - 3:00 pm

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Selecting The Proper TAB Equipment To Test Controlled Environments and Laminar Flow Devices

As Controlled Environments become a larger part of the TAB market, selecting the proper test equipment & deploying the correct testing method is critical. Some published standards, manufacturer’s specifications,  and owner SOP’s run counter to the traditional testing methods. Knowing which test instrument & method to use can make or break a project. This webinar...

16 Jul

2:00 pm - 3:00 pm

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