Xiao Hailai summarizes that there is one core point in the installation of indoor units: avoid direct blowing from the air outlet. This actually has a lot to do with the air supply method of the air conditioner itself. For example, Haier central air conditioners can not only supply air from top to bottom to avoid direct blowing, but also allow people to enjoy a comfortable temperature invisibly. Another thing to note is that it is not advisable to install a light trough under the air outlet of the indoor unit. Otherwise, when hot and cold air meet, condensation water will easily accumulate in the light trough, causing mold to produce harmful substances, and the air-conditioning wind will blow into the room, which will be harmful to the human body. Health hazards. Choosing the right central air conditioner will not only bring you a comfortable home life, but also provide you with always-on health protection. When choosing a central air conditioner, you must consider it comprehensively. Choose a model with more comprehensive functions to ensure indoor air quality, and then install it in a reasonable way to ensure comfort requirements. Only by taking a two-pronged approach can you achieve better health protection effects.