1. Use current: When AC fans use AC power, the current will change direction. DC fans use direct current with only one-way current.

2. Air volume: AC fans provide a more stable air volume; DC fans provide variable, uneven air volume.

3. Materials: The AC fan frame is generally aluminum, while the DC fan frame is plastic

Box.

4. Applications: AC fans are often used in equipment that requires stable and smooth air volume, such as home appliances, air conditioning systems, and industrial equipment.