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📘Rooftop Unit (RTU) Basics
📷 RTU System Diagram  Figure 1: Basic RTU layout showing supply/return air, compressors, and heat exchangers.  🧰 What is a Rooftop Unit? A Rooftop Unit (RTU) is a packaged HVAC system installed on the roof of a commercial building. It combines...
📘Split System Basics
📷 System Diagram  Figure 1: A basic layout showing the indoor air handler, refrigerant lines, and outdoor condensing unit.  🧰 What is a Commercial Split System? A commercial split system separates the HVAC components between: An outdoor uni...
📘 Heat Pump Basics
📷 Heat Pump System Diagram Figure 1: Reversible heat pump cycle for heating and cooling operation. 🧰 What is a Heat Pump? A heat pump is an HVAC system that provides both heating and cooling by transferring heat between indoor and outdoor environm...
📘 Variable Air Volume (VAV) Systems
Variable Air Volume (VAV) systems are HVAC air distribution systems that control airflow to individual zones by varying the volume of air supplied, rather than the temperature. This enables precise temperature regulation, reduced energy consumption, and quiete...
📘 Variable Refrigerant Flow (VRF) Systems
Variable Refrigerant Flow (VRF) systems are advanced HVAC solutions that use refrigerant as the primary heating and cooling medium. These systems vary the flow of refrigerant to multiple indoor units based on demand, making them ideal for commercial and multi-...