Why a humidifier is needed

　　humidification

　　Humidity is determined by the amount of water vapor contained in the air. The temperature can be adjusted by increasing or decreasing the amount of water vapor. The operation of increasing the amount of water vapor, called "humidification", is completed by the humidifier; The operation of reducing the amount of water vapor is called "dehumidification" and is completed by the dehumidifier. In the air conditioner, "humidification" or "dehumidification" shall be carried out according to the purpose and conditions of use to control the humidity within a certain range. (The following only refers to relative humidity.)

　　Problems caused by insufficient humidity

　　The air drying caused by insufficient humidity is not only harmful to human health and comfort, but also can reduce production efficiency, cause unqualified products, and cause various adverse effects, which can be basically divided into the following three categories:

　　*Harmful to health and comfort

　　*Hazards caused by evaporation loss

　　*Frequently cause machine failure and reduce product quality

　　Healthy and comfortable

　　In terms of health, dry air will damage the mucous membrane of the respiratory system, and cold viruses are easy to invade the human body. In terms of comfort, when the air is dry, the evaporation of water in the body will increase. Therefore, even when heating, the body temperature will feel very low. If the humidity is appropriate, even if the room temperature is 20 ℃, there will be a feeling of 25 ℃. This can reduce the set temperature of heating, which is conducive to energy conservation.

　　The effect of humidity on hair and skin. The water content of healthy hair is about 11-13%. Hair has been used as a hygrometer because of its great difference in moisture absorption and moisture discharge. Dry hair is disheveled, without luster, and there is no way to talk about beauty. If the skin moisture content is less than 10%, it is dry skin, which is easy to wrinkle and itch.

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