How to buy an air purifier?

Since December, haze has invaded and spread more than half of China, polluting the air in many cities. People have come up with all sorts of ways to "resist a panacea," and indoor air purifiers have recently become popular "artifacts."

But how should consumers choose an air purifier? According to Xiao Bian's experience, four aspects should be considered.

1. Whether it is absolutely safe to buy an air purifier is nothing more than to use it for a healthy, fresh air. Whether or not an air purifier is safe is the basic prerequisite for determining whether it is desirable. Air purifier shell, movement and purification technology will directly affect the safety of the air purifier. The purification technology should be the same as the positive and negative ions in the natural world, and there are 13 international organizations that certify the safety of ion purification technology.

2, according to the area of ​​the family's application of different power air purifier application area is different, if the room is larger, should choose a unit time to purify the larger air purifier. For example, a 25 m2 room is suitable for a purifier with a rated air volume of 200 m3 per hour, and a room with a rated air volume of 400 m3 per hour should be selected for a room with a space of about 50 m2. Each product will have this parameter, so be sure to look good before buying.

3, according to the purification function according to the residential air environment and the appropriate purification effect to select the desired function. The function of the air purifier is mainly purification, sterilization, filtration, humidification, etc. Different products will have a variety of functions.

Sterilization: Suitable for long-term non-ventilated indoor. Major hazards: Bacteria are the natural enemies of humans. No more details here.

Humidification: Suitable for dry indoor environments. Advantages: Proper humidification stabilizes moisture, paper, and textiles in wood, reduces fire risk and electrostatic forces, making the area comfortable and safe.

In addition to formaldehyde: suitable for newly renovated indoor environment. Main hazards: Formaldehyde is the original pulp poison, can be combined with protein, inhalation of high concentrations of formaldehyde, there will be severe respiratory tract irritation and edema, eye irritation, headache, but also the occurrence of bronchial asthma. Particles with a particle size of less than 3.5 microns can be inhaled into human bronchus and alveoli and deposited, causing or aggravating respiratory diseases.

Smoke: Suitable for smokers or dust; main hazards: smoke produced by tobacco combustion, about 40 kinds of substances with carcinogenic effects. Smoking is one of the major causes of lung cancer.

4, the use of the sustainability of the purchase of the product should also pay special attention to its life, although it is not required that it can always be used, but at the very least should guarantee the most basic life.