Residential Airside Testing and Balancing

This manual is designed to serve as a practical introduction to residential airside testing and balancing (TAB), providing students and technicians with the foundational knowledge and skills needed to measure and adjust airflow in residential HVAC systems. Proper airflow is essential to system performance, comfort, efficiency, and longevity, yet it is often one of the least understood aspects of HVAC installation and service.

By introducing the principles and practical methods of residential airside testing and balancing, this manual aims to help students and technicians better understand how air moves through a system and how proper measurement can lead to improved performance, comfort, and reliability. Integrating TAB concepts into HVAC training programs and field practices helps ensure that systems operate as intended and that technicians are equipped to deliver the highest level of service to their customers.

The first part of each chapter will cover the basic information needed to do the testing and balancing. For those going into more depth those basic instructions are followed in the section by the theory behind the hands-on field methods. At the end of each chapter in this book, there is a short quiz to test your understanding of the concepts covered. In addition, there is a hands-on project that is intended to help drive these concepts home.

As you proceed through this book, the concepts discussed will build on previously introduced topics in a logical, progressive manner, providing students and technicians the ability to test and balance airflow in a residential HVAC system accurately and with confidence.

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