DC centrifugal fans have a wide range of applications across various industries. In the electronics industry, they are crucial for cooling electronic components. Computers, servers, and other electronic devices generate heat during operation, and DC centrifugal fans are used to dissipate this heat and maintain the proper operating temperature. These fans are designed to provide a high air flow rate in a relatively small space, ensuring efficient cooling without adding significant bulk to the device. For example, in a laptop, a small DC centrifugal fan is used to cool the CPU and other heat-sensitive components, preventing overheating and ensuring stable performance.

In the HVAC (Heating, Ventilation, and Air Conditioning) industry, DC centrifugal fans are used in ventilation systems and air handling units. They help to move air throughout a building, providing fresh air and maintaining indoor air quality. Their variable speed capabilities make them ideal for adjusting the air flow rate according to the changing needs of the building occupants. In a commercial building, DC centrifugal fans can be used to control the ventilation in different areas, such as offices, meeting rooms, and public spaces, ensuring a comfortable and healthy environment.

In the automotive industry, DC centrifugal fans are used for cooling the engine and various components in the vehicle. They help to dissipate heat generated by the engine and other systems, ensuring the proper functioning and longevity of the vehicle. Additionally, in electric vehicles, these fans are also used for cooling the battery pack, which is essential for maintaining the battery's performance and safety. Moreover, DC centrifugal fans are used in industrial processes such as manufacturing, where they are used for ventilation in factories, cooling of machinery, and removal of fumes and dust. Their ability to handle different air volumes and pressures makes them suitable for a variety of industrial applications, contributing to improved productivity and a safer working environment.