Explaining HVAC to Non-Engineers
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That’s 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 conditioner’s quirks, this book will guide you—without requiring an engineering degree.
Over decades of working in the HVAC industry, I’ve seen how much smoother projects run—and how much more satisfied customers are—when they understand the basics of what’s 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. We’ll cover how systems work, how to choose the right one for your space, and what maintenance tasks you can manage yourself. You’ll 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 confusion—then it’s done its job.
Welcome to a better understanding of the systems that keep your spaces livable and your buildings efficient.
Charles Nehme
CFN-HVAC
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Muallif haqida
Heating, Ventilation, and Air Conditioning—collectively known as HVAC—are 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.
That’s why this book exists.