METHOD FOR PROVIDING ENERGY SAVING SERVICE, METHOD FOR DECIDING SPECIFICATION OF ELECTRIC MOTOR, METHOD FOR PROVIDING COMPRESSOR VERSION-UP SERVICE, METHOD FOR PROVIDING ENERGY SAVING SERVICE USING DRIVE DEVICE FOR PERMANENT MAGNET ELECTRIC MOTOR, COMPRESSOR EXCHANGE METHOD, AND FREEZING/AIR CONDITIONING DEVICE

摘要

There is provided an energy saving service including: a service contract making step for making a service contract with a customer who has purchased or who is going to purchase a product using a permanent magnet electric motor; a drive device providing step for providing a drive device capable of driving a permanent magnet electric motor of any specification according to the service contract; and a product grade-up step for grading up the product using the permanent magnet electric motor so as to improve the performance of the product using the permanent magnet electric motor by driving the permanent magnet electric motor by the drive device.