Thatโs why this book exists.
Customer Education: Explaining HVAC to Non-Engineers was written with one clear goal in mind: to demystify HVAC systems and make them accessible to everyone. Whether you're overseeing a commercial facility, planning a home renovation, or simply trying to understand your air conditionerโs quirks, this book will guide youโwithout requiring an engineering degree.
Over decades of working in the HVAC industry, Iโve seen how much smoother projects runโand how much more satisfied customers areโwhen they understand the basics of whatโs going on. Informed clients ask better questions, make smarter choices, and avoid costly mistakes. More importantly, they feel empowered instead of overwhelmed.
This book breaks down HVAC concepts in plain language, with everyday examples and simplified diagrams. Weโll cover how systems work, how to choose the right one for your space, and what maintenance tasks you can manage yourself. Youโll also learn how to work effectively with HVAC professionals, understand energy efficiency and air quality, and stay ahead of emerging trends like smart HVAC controls and sustainable solutions.
My hope is that this book becomes your go-to reference whenever HVAC questions arise. And if it saves you time, money, or confusionโthen itโs done its job.
Welcome to a better understanding of the systems that keep your spaces livable and your buildings efficient.
Charles Nehme
CFN-HVAC
Heating, Ventilation, and Air Conditioningโcollectively known as HVACโare essential systems that affect our daily comfort, energy consumption, and even our health. Yet, for many building owners, facility managers, and homeowners, these systems remain a mystery. The technical jargon, complex equipment, and often opaque decision-making processes can make HVAC feel like a foreign language.
Thatโs why this book exists.