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市场上也有不少可供选择的空气净化设备，但很多人还是保持观望的态度，有的在选购时也有很多顾虑和疑问。大家担心空气净化器是否真的能滤净污染物，尤其是让大家谈虎色变的PM2.5；还有人很担心空气净化器一旦使用起来，要付很高的电费；还有担心在使用上很麻烦、不好操控。

There are many alternative air purification equipment in the market, but many people still maintain a wait-and-see attitude. Some of them also have many concerns and doubts when purchasing. People are worried about whether the air purifier can really filter the contaminants, especially the PM2.5 that makes people change, and people are worried about the high electricity bill when the air purifier is used, and the worry about the use of the air purifier.

什么是空气净化设备

What is air purification equipment

空气净化装置又称空气净化器、空气清洁器、空气清新机、净化器、过滤器等名称，是指能够吸附、分解或转化各种空气污染物（一般包括PM2.5、粉尘、花粉、异味、甲醛之类的装修污染、细菌、过敏原等），可以提高室内空气质量，改善居住、办公条件，有效提高空气清洁度，增进身心健康的产品。主要分为家用、商用、工业、楼宇。

Air purifier, also known as air purifier, air cleaner, air cleaner, purifier, filter and other names, refers to the ability to adsorb, decompose or transform all kinds of air pollutants (generally including PM2.5, dust, pollen, odor, formaldehyde and other decoration pollution, bacteria, allergen, etc.), and can improve indoor air. Quality, improve living and office conditions, effectively improve air cleanliness, enhance physical and mental health products. It is mainly divided into household, commercial, industrial and building.

空气净化器中常用的空气净化技术有：光触媒、活性炭、静电集尘、HEPA高效过滤、负离子发生器等。现有的空气净化器多为复合型，即同时采用了多种净化技术和材料介质。

The air purifiers commonly used in air purifiers include: photocatalyst, activated carbon, electrostatic dust collection, HEPA efficient filtration, negative ion generator and so on. The existing air purifiers are mostly composite, that is, a variety of purification technologies and material media are used at the same time.

市场上空气净化器的名称、种类、功能不尽相同，消费者对于产品质量参差不齐、价格混乱、虚假宣传以及标准缺失等产生了很多质疑。带着这些大家担心的问题，让我们一起来了解一些重要的评价空气净化设备质量的方法。

The name, type and function of the air purifier on the market are different. Consumers have many questions about the uneven quality of the products, the confusion of prices, the false propaganda and the lack of standards. With these concerns, let's learn some important ways to evaluate the quality of air purification equipment.

主要评价指标

Main evaluation index

1洁净空气量（CADR）

1 clean air (CADR)

空气净化器净化能力的强弱，主要是由适用面积和颗粒物洁净空气量（CADR：提供的洁净空气的量）决定的。对其它污染物的净化能力，应和适用面积相结合。也就是说，单位时间内，能滤净的空间越大，则效果越好。

The purification capacity of air purifier is mainly determined by the suitable area and the clean air volume (CADR: the amount of clean air supplied). The purification capacity of other pollutants should be combined with the applicable area. That is to say, the larger the space that can be filtered in unit time, the better the effect.

2滤净性能

2 filtration performance

滤净性能是指可滤净空气中悬浮微粒的效能（例如PM2.5），以及是否可滤除家中的化学性气体如甲醛、苯系物、TVOC……等。能滤净的污染物种类越多、滤净率越高，则越好。

Filtration performance refers to the efficiency of the suspended particulate matter in the filter air (such as PM2.5), and whether it can be filtered out of the home's chemical gases such as formaldehyde, benzene, TVOC, etc. Wait. The more pollutants can be filtered and the higher the filtration rate, the better.

3第三方独立单位认证检测

3 authentication and testing of third party independent units

产品效能宣称（例如：滤净性能、洁净空气量、能效比等）是否经第三方独立单位认证。

Product efficiency claims (for example: filtration performance, clean air volume, energy efficiency ratio, etc.) are certified by third party independent units.

4滤网使用寿命

4 filter service life

滤网除了滤净的效能以外，还要考虑使用寿命这个因素。一些滤网虽然具有较高的过滤效率，但是阻力大，能效比较低，而且很容易堵塞，使用寿命较短，相对的后续维护的成本较高。

Besides the efficiency of filtering net, the factor of service life should also be considered. Although some filters have high filtration efficiency, they have large resistance, low energy efficiency, easy blocking, short service life and relatively high cost for subsequent maintenance.

5能效比和能效等级

5 energy efficiency ratio and energy efficiency grade

空气净化器通常是长期连续使用的，能效比作为衡量空气净化器净化能力与电力消耗的重要指标，值得大家关注。

Air purifiers are usually used for a long time. Energy efficiency ratio is an important index to measure the purifiers and power consumption of air purifiers. It deserves our attention.

6臭氧释放量

6 ozone release

臭氧作为强氧化剂具有一定的净化能力，但对人体是有伤害的。国家对空气净化器臭氧释放量有强制性安全要求，限定在≤5×10-6%（臭氧具有鱼腥味）。

Ozone as a strong oxidant has a certain purification ability, but it is harmful to the human body. The state has mandatory safety requirements for ozone release from air purifiers, which is limited to less than 5 x 10-6% (ozone has fishy smell).

7慎选购买渠道

7 choose the purchase channel carefully

空气净化器品牌、功能、性能、外观设计和价格都有很大的区别，让人眼花缭乱。建议购买空气净化器时，建议尽量在大型商场、电器商店、品牌专卖店和主流电子商务网站等正规渠道购买

The air purifier is quite different from the brand, function, performance, design and price of the air purifier. When buying air purifiers, it is recommended to purchase as many channels as possible in large shopping malls, electrical appliances stores, brand stores and mainstream e-commerce websites.