2. Choose a suitable air outlet angle, and try to avoid aiming at the human body, especially when people sleep, blowing cold air directly, which is easy to get sick. At present, the two-way scientific air supply function of air conditioner can generally solve this problem. When cooling, the angle can be set up automatically, and when heating, the angle can be set down automatically.
3. Clean the air filter frequently. If it is blocked, it will reduce the operation performance and lead to an increase in electricity bills. It should be cleaned once every half month or so.