Options for purchasing an air purifier.

　　1. Carefully look at the "heart" and "lungs" of the air purifier.

　　At present, air purifiers have also been integrated under the constraints of the "new national standard". Its main direction is to let users understand the air purifier more clearly. Makes users less blind than before. The main thing to remember at the moment is the option of three highs and one low. That is, the parameters of clean air volume, purification energy efficiency, and cumulative purification volume should be high, and noise parameters should be low. Generally speaking, the higher the parameters of clean air volume, purification energy efficiency, and cumulative purification volume are, the stronger the purification ability of the air purifier, the better the purification effect, the more energy-saving, and the less the later use cost. The noise should refer to the decibel value of sleep mode, preferably not higher than 30 decibels, and the lower the better.

　　Of course, these are only things on the bright side, among which the "heart" and "lungs" of the air purifier are also very important to the purification efficiency. The "lung" represents the filter of the air purifier. The quality of the filter screen determines its adsorption capacity, filtration capacity, catalytic capacity, decomposition capacity, etc. A good filter is the first step in purifying fresh air. "Heart" represents the operating speed of the air purifier, that is, the purification efficiency. For example, 5 minutes to purify the air of a certain space and 10 minutes to purify the air of a certain space. I believe everyone will choose the former. Therefore, when purchasing air, the choice of "heart" and "lung" is also particularly important.

　　2. According to your own situation, see what type of air purifier you need.

　　Indoor air pollution is generally the coexistence of particulate matter, gaseous pollutants (formaldehyde, TVOC), and microorganisms. When purchasing, you should pay attention to the different properties of the product according to your own needs, and choose suitable air purification products. like:

　　1). Newly renovated room:

　　At this time, the air pollution in the room mainly includes formaldehyde, benzene, TVOC, etc., it is necessary to focus on the formaldehyde purification ability and formaldehyde purification efficiency of the product.

　　2). The old house or just to deal with PM2.5 in hazy days:

　　The focus at this time is to look at the purification ability and purification efficiency of the product to particulate matter.

　　3). There are elderly and children at home:

　　Consider the ability of the air purifier to remove microorganisms.

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