This module covers the important parts of Testing, Adjusting, and Balancing (TAB) for both air and hydronic systems. It will explore the methods, components, and the advantages of TAB, highlighting why testing, adjusting, and balancing is critical for HVAC systems. Additionally, it talks about the special tests needed for different systems and how to document and report the results. By the end of the session, you'll understand why TAB is fundamental for making sure HVAC systems work well.