@hvac.eng123: ❄️ DX Coil vs. Chilled Water Coil | HVAC Engineering Explained! 🔧 Do you know the difference between a DX cooling coil and a chilled water cooling coil? 🤔 Both are used to cool air in HVAC systems, but their working principles are different! 🔹 DX Coil: Uses refrigerant directly inside the coil to absorb heat from the air. 🔹 Chilled Water Coil: Uses chilled water supplied by a chiller to cool the air passing through the coil. 💡 Key Difference: DX systems use refrigerant in the cooling coil, while chilled water systems use water circulated between the chiller and AHU. 🎯 Watch the full video to understand how both systems work and where they are used in HVAC applications! 👨‍🔧 Follow HVAC Engineer for more practical HVAC knowledge, engineering concepts, troubleshooting tips, and plant operation lessons. 💬 Comment below: Which system do you work with most — DX or chilled water? #HVAC #HVACEngineer #DXCoil #ChilledWater #CoolingCoil

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Tuesday 20 October 2026 13:26:19 GMT