The air purifier is based on the CADR value to choose the space and environment.portable air purifie

　　First of all, consumers should choose according to the size of the room. For example, for a room of 15 to 20 square meters, an air purifier with a CADR value of 150 can reduce PM2.5 in the indoor air by more than 90% when it is turned on for 1 hour, which can achieve the goal of improving air quality. The higher the amount of clean air per hour, the more suitable for large-area rooms. Consumers should choose the appropriate product according to the room conditions.

　　What CADR value is suitable for what size room?

　　The algorithm is like this: CADR value multiplied by 0.07-0.12 is the area of the applicable room.

　　Secondly, you have to choose according to the environment of the room. If the indoor smoke and dust pollution is heavy, you can choose an air purifier with better dust removal effect; if the indoor formaldehyde toluene pollution is serious, you can choose a purifier with the function of removing decoration pollution; if the indoor air is not circulating, bacteria and dust mites can breed, you can choose An air purifier with functions of sterilization, disinfection and allergy removal.

　　According to relevant data, more than 80% of car owners drive more than 2 hours a day on average, with a long time period. In China, more than 90% of cars have exceeded the air quality standard, and the pollution situation is severe, and the high temperature in summer directly leads to air pollution. Intensify. As the temperature becomes higher, the formaldehyde will evaporate exponentially, the harmful substances will be emitted faster, and the peculiar smell will be more obvious. In particular, many car owners like to turn on the air conditioner in summer, and the air does not circulate when the windows are closed. The reduced oxygen makes breathing more uncomfortable, and even dizziness may occur. Bring great safety hazards to driving.

　　The air is not circulated, it is easy to breed many bacteria, molds and other microbial germs in the closed air. At the same time, the decorative materials will also emit harmful gases, posing a threat to human health. Therefore, several squares of space require more air purification.

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