Why ASHRAE 55 & 62.1 Matter in HVAC Comfort Evaluation

In Vietnam, HVAC design is required to comply with national standards such as ASHRAE, QCVN, and TCVN. However, current Vietnamese...

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CFD in HVAC: Engineering Tool or Just Visualization?

Many people believe that CFD is used only to: Create colorful images for reports Provide visual illustrations for clients In...

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Why do occupants still feel uncomfortable even when the HVAC system is correctly designed?

In many office, hotel, and commercial projects, HVAC systems are designed strictly according to calculated capacity and airflow. However, once...

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