Major HVAC Equipment

Each item is considered “major” because it either produces, moves, or controls the air and thermal energy necessary for the system to function effectively

Split System

This chapter introduces the fundamentals of Split Systems, a common HVAC solution for small to mi...

📘Split System Basics

📷 System Diagram Figure 1: A basic layout showing the indoor air handler, refrigerant l...

Rooftop Unit

This chapter covers the key functions, components, and applications of Rooftop Units (RTUs)—self-...

📘Rooftop Unit (RTU) Basics

📷 RTU System Diagram Figure 1: Basic RTU layout showing supply/return air, compressors,...

Heat Pump

This chapter explains the fundamentals of Heat Pumps — highly efficient HVAC systems that provide...

📘 Heat Pump Basics

📷 Heat Pump System Diagram Figure 1: Reversible heat pump cycle for heating and cooling op...

Variable Air Volume System

Variable Air Volume (VAV) systems are a type of HVAC distribution system designed to efficiently ...

📘 Variable Air Volume (VAV) Systems

Variable Air Volume (VAV) systems are HVAC air distribution systems that control airflow to indiv...

Variable Refigerant Flow System

Description: Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrig...

📘 Variable Refrigerant Flow (VRF) Systems

Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrigerant as the p...