How to choose an air purifier.Air purifier

　　Air purifiers, also known as "air cleaners", air freshers, refer to decoration pollution that can absorb, decompose or transform various air pollutants (generally including PM2.5, dust, pollen, peculiar smell, formaldehyde, Bacteria, allergens, etc.), products that effectively improve air cleanliness, are mainly divided into household, commercial, industrial, and building. So how to choose an air purifier?

　　First of all, before buying an air purifier, we need to understand its structure and principles in order to choose a product that suits us. Air purifiers sold on the market are mainly composed of fans, air filters (filters), and shells.

　　The purification principle of the air purifier is not complicated. Through physical filtration, chemical decomposition, and sterilization three-layer filter, poor quality air can be turned into fresh air.

　　Secondly, first distinguish the type of pollutants, and then select the function.

　　Each filter is mainly for different pollution sources, and the filtering method and purification are also different. Therefore, when choosing an air purifier with any function, it is necessary to distinguish its corresponding purification pollutants, which is easily overlooked by many consumers. Experts pointed out that gas pollution and particle pollution mainly affect us. Choose products according to your needs. If the flue gas pollution is heavy, you can choose air purifiers with good dust removal effects such as decomposition and adsorption, choose an air purifier that has a good ozone removal effect.

　　Third, pay attention to the applicable area and air volume

　　The main reference index for consumers to purchase and use air purifiers is the applicable area, which refers to the applicable indoor area of the air purifier, in square meters (m2). The scope of application of an air purifier is closely related to its ability to remove particulate matter (that is, the amount of clean air). The basic specifications and performance indicators of commonly used air purifiers are the basic indicators for product pricing.

　　Nowadays air purifiers have many high-tech functions, and many people tend to pay attention to new functions when buying, and ignore the basic indicator of air purifier-air volume. In order to purify the indoor air, the air volume of the air purifier should be able to circulate the indoor air at least once an hour, and the air volume is too small to fully decompose harmful substances; too much air volume is obviously a waste. Tell you a shopping tip. When buying an air purifier, you can take a paper towel and place it behind the air outlet to measure the air volume.

　　Investigating major shopping malls and online stores, it is not difficult to find that the price difference of air purifiers is large, ranging from tens of yuan to hundreds of yuan. Many consumers say that they are willing to spend more money for health. Buying a higher-priced purifier will feel more comfortable, but will a higher-priced purifier have a better effect?

　　Experts pointed out that the price difference of air purifiers is mainly related to the applicable area and material cost. At present, there is no comprehensive evaluation method for the purification effect of air purifiers, and there is no uniform standard for the price of air purifiers in the market. Choose an air purifier to deal with haze and pay attention to its purification effect.

　　At present, all brands of air purifiers on the market claim that the removal rate of PM2.5 can be over 99. Therefore, when consumers judge the PM2.5 removal ability of the purifier, they must confirm whether the product has obtained the report of the relevant testing organization, and at the same time carefully check the time and conditions of the experiment.

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