Coils (Cooling & Heating Coils) – The Heart of HVAC Heat Transfer
Heating and cooling coils are among the most critical components in any HVAC system. Whether installed in air handling units (AHUs), fan coil units (FCUs), rooftop units, or industrial process systems, coils are responsible for the actual heat exchange that conditions the air we breathe. Charles Nehme's book, Coils (Cooling & Heating Coils) , provides a practical guide to understanding, selecting, maintaining, and optimizing these essential HVAC components. The book explores heat transfer fundamentals, fin-and-tube coil design, face velocity considerations, maintenance practices, freeze protection strategies, coil fouling issues, and modern coil selection techniques. Why HVAC Coils Matter Cooling and heating coils are often hidden within HVAC equipment, yet they directly influence: Energy efficiency Indoor air quality Humidity control Occupant comfort Equipment reliability Operating costs Improperly selected or poorly maintained coils can lead to increased energy consum...