Central air conditioning maintenance, air conditioning maintenance cleaning is the key, help improve the cooling effect, it is advantageous to shorten the cooling time, enabling energy-efficient central air-conditioned multi-line cleaning, beneficial to extend the life of the air conditioner, it is reasonable to use air conditioning, strengthening standardized management of important part. Previous users of air conditioning air conditioner maintenance, cleaning seriously enough central air conditioning cleaning coils, now working in this field should be strengthened to promote the development of the air conditioning industry. Air conditioning the most suitable temperature? From the point of view of human comfort, indoor environment in winter, if the indoor temperature is controlled at between 18-20 ℃, people feel comfortable. Because in winter, people wear clothes already more central air conditioning cleaning, if the indoor temperature is higher than 20 ℃, it will feel a little heat. If the winter air temperature is set high to 26 ℃ or central air conditioning cleaning prices, the winter heating temperature is too high, making the indoor air is exceptionally dry, hurt human body fluids, fluid gas, making people feel so hot, eye Ermukoubi throat skin etc. feel dry.