Four economic questions to help you choose an air purifier

　　1. Domestic brands or foreign brands?

　　Some Chinese people still have a little prejudice against domestic brands, always thinking that the quality and function of foreign brands will be better, and they will stick to foreign brands. In fact, it is not necessary. Although the domestic brand air purifiers start a little later than foreign brands, but because of the late start, they will have the advantage of stepping on the shoulders of giants, using more advanced technology to create more cost-effective air purification device. And now foreign brands of air purifiers are actually produced in China, just like mobile phones, most of Apple's mobile phones are produced in China, so in terms of technology, there is not much difference between domestic brands and foreign brands. Another point is that because domestic brands are deeply cultivated in China, the domestic environment is slightly different from that of foreign countries, so localization is better than foreign countries. And the most important point is that the air purifiers of domestic brands are more cost-effective than foreign brands!

　　2. Which is better between air purifier and fresh air system?

　　I have seen many people discussing this issue on the Internet before, and everyone is wondering whether I should buy an air purifier or a fresh air system? It seems that both can be used, but each has its own shortcomings. For example, the air purifier needs a closed environment when using it, which may lead to lack of oxygen in the room, and it is necessary to open windows regularly for ventilation; while the fresh air system has both air purification and ventilation functions, it needs to lay pipes and punch holes in the room. Moreover, it is also less convenient to use, especially in winter, if the outdoor cold air is introduced, the room temperature will be lowered. The most important point is that the fresh air system is more important for ventilation rather than the main air purification function. In fact, if the economy permits, both the air purifier and the fresh air system can be installed, so that their shortcomings can be compensated by the other side, and the antagonistic relationship can be turned into a complementary relationship.

　　3. Is 3 better than 1?

　　Some consumers think that if I buy 1 air purifier with a price of 3000 or a higher price, it can only be used in one place. If I buy 3 air purifiers with a price of 1000, I can put it in three places, Would it be better for me to buy 3 air purifiers with a price of 1000? In fact, it is not, because 3 air purifiers are twice as much as 1, which not only doubles the noise, increases power consumption, but also increases the cost of filter replacement. If it does involve multiple rooms in daily life, you can buy a portable air purifier and move it wherever you want, instead of simply buying three 1000 priced air purifiers to replace one 3000 priced air purifier air purifier.

　　4. Which one is better to buy if the budget is limited?

　　The editor will give you a summary. The quality of an air purifier mainly depends on 4 points: CADR (particulate clean air volume), CCM (particulate matter cumulative purification volume), DB (voice), and particulate matter purification energy efficiency. If the budget is below 2,000 yuan, the CADR value of the air purifier should be above 200, the CCM value should be above 10,000, the DB requirement should be below 60 decibels at the maximum power, and the energy efficiency of particulate matter purification should be high energy efficiency; meet the standard, can be regarded as unsuitable. These are for reference only, and the specifics can be based on the situation.

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