Airflow is the lifeblood of any HVAC system. Properly designed and maintained ductwork ensures comfort, energy efficiency, and optimal system performance. Yet, airflow issues in ducts and vents are among the most common and frustrating challenges faced by homeowners, facility managers, and HVAC professionals alike.

This book was born out of years of field experience, addressing airflow problems across a diverse range of HVAC systems in residential, commercial, and industrial settings. From simple obstructions to complex system imbalances, the issues may vary, but the principles of diagnosis remain the same.

In these pages, I aim to provide a comprehensive guide to identifying and resolving airflow problems in ducts and vents. You'll find practical advice, diagnostic techniques, and illustrative case studies to help you navigate the complexities of airflow management.

Whether you're an HVAC technician, a building manager, or simply a curious homeowner, this book will equip you with the knowledge to troubleshoot and improve airflow performance. By understanding the root causes and implementing effective solutions, you can ensure a healthier, more efficient, and comfortable environment.

Let's get started on the journey to mastering airflow diagnostics.

Charles Nehme