The following situations consume the most power: 1 frequent switching on and off! 2 Refrigeration and heating are adjusted to the lowest or highest value. 3 Open the doors and windows and use the air conditioner. 4 Air volume adjustment is always in high-speed operation. 5 When installing, place the external machine in direct sunlight. 6 The filter screen and external machine of air conditioner are not cleaned for a long time.