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TRG-TRC013-EN 1
notes
Introduction
Efficient distribution of conditioned air needed to heat, cool, and ventilate a
building requires the service of a properly selected and applied fan.
The types of fans commonly used in HVAC applications include centrifugal and
axial designs. In a centrifugal fan the airflow follows a radial path through the
fan wheel. In an axial fan the airflow passes straight through the fan, parallel
to the shaft.
centrifugal
axial
Air Conditioning Fans
Figure 2