Compared with the traditional DC motor, EC motor saves more than 30% electricity. The difference between EC fan and DC fan is that EC fan is directly powered by commercial power, while DC fan needs to be powered by DC, so DC fan unit needs to increase DC power supply, so EC motor saves more electricity. Compared with traditional AC and DC motors, EC imported motors save more than 30% electricity and are quieter, with a service life of 80,000 hours, while the service life of traditional motors is about 50,000 hours.