Xiaomi Air Purifier , Is xiaomi air purifier good?

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Xiaomi Air Purifier 2H: economical, but rational

Compared to the majority of top-level brands, Xiaomi has decided to keep a low profile, pricing its air purifiers less, also to increase market shares. The Xiaomi 2H costs very little for what it offers (for example see here) but for an average use it is really interesting.

What do I mean by medium use?

Well, if your home is not huge, if you want to keep the air purifier on without wasting too much time on programming it, if you want discrete power combined with excellent silence, then you are definitely an average user.

The Mi Air Purifier 2H (this is its full name) is a fairly compact air purifier, capable of significantly improving the air quality of rooms up to 30sqm in a short time, and with ease of enviable use.

I’ll tell you its characteristics point by point.

Features of the Xiaomi 2H air purifier

3-stage HEPA filter

The HEPA filter is a filter made up of microfiber sheets assembled in sheets; through the passage of air between the sheets, a mechanical purification of the air is carried out, because the harmful particles are captured between the filter fibers and can no longer pass.

This is a great advantage, because once the particles are trapped, they cannot escape and will be removed with the filter replacement.

At the same time, however, it means that the filter will have to be changed, and in the case of that of the Xiaomi 2H, this change must take place on average every 6-12 months.


We talk about 3-stage filtration because the real filter made of microfibers is only one of the passages in the air purification, which passes through other layers that first remove the larger particles (thus preventing the microfibers from becoming clogged quickly) and partly also smells.


The filtration limit indicated by the manufacturer is 0.3 microns, a very low value that assures us that this air purifier will be able to capture even the smallest pollen.

CADR of 260m3 / hour

CADR is a parameter that indicates the filtration capacity with respect to a volume. The acronym means Clean Air Delivery Rate, and simply the larger the CADR, the more suitable the air purifier is for treating large rooms.


The Xiaomi 2H is excellent for medium-sized rooms, such as a bedroom (by law in Italy a double bed must be at least 14 square meters large, and manufacturers often limit themselves to this size) or a living room of a three-room or four-room apartment.

Compact size

The Xiaomi 2H is a fairly compact purifier, with its height of about 50cm on a base of 24x24cm. The reason why I point out the dimensions of this purifier, however, is that you can really put it anywhere, even if you have little space available: in short, it seems made especially for our city apartments, where space is limited and we do not want to create too much. disorder.

Excellent connectivity

After all, Xiaomi is an expert in phones, and therefore in networks and connections.

From this point of view, the Xiaomi 2H is very complete: there is an app called Mi Home App designed to remotely operate a series of devices, including Xiaomi air purifiers.

Simply connect the air purifier to your WiFi network with the help of your smartphone (be careful: the smartphone must have the location activated) and in this way you can remotely control the device, even if you are many kilometers from home.

In particular, you can check the state of the air in your apartment (including humidity and temperature), check in what conditions the filter is in wear and above all pilot the purifier to turn it on or off, and also to select the power of use set a specific mode of use.

The application generally works to change all the possible settings for the air purifier, but to tell the truth there are not many: we limit ourselves to the brightness of the LED on the front, and little else.


Price in relation to quality

Below I will talk about the defects of the Air Purifier 2H, but I must say that this air purifier is cheap but not “cheap”: its cost is relatively low – let’s say it fitsin the low price range of the best air purifiers – but this does not mean that the company that produces it has offered a scarce product! I

From the point of view of functionality, I believe there are few manufacturers that offer air purifiers at this price and with this ability to purify the air: the Xiaomi 2H works very well, the important thing is not to expect to use it in larger environments. of 30 square meters.

Defects of the Xiaomi Air Purifier 2H

Of course, however, not everything can be perfect in an inexpensive air purifier like this one! Here are what I think are its main flaws, once again divided by points.


Perhaps from this point of view Xiaomi could do more: if there was a handle it would be much more comfortable to carry

Lack of display

This is a small lack that can be annoying: it would take a display positioned on the front to understand how the purifier is acting. Of course we have the app available to control all the parameters, but an integrated display would be a nice added convenience

Effectiveness with the absorption of odors

I believe that from this point of view perhaps Xiaomi could offer better. Let’s be clear: it’s not bad but we are not at the levels of the best air purifiers! But perhaps with a more specific filter, more could be achieved

If I can give you some advice, if you want to keep the same qualities of this purifier but add a little something more, take a look at this page: it is practically the same purifier but with a screen, and the price increases by only on average.

Filters for Xiaomi 2h


The structure of the Xiaomi 2H filter, with the outer layer, a HEPA filter of grade H13, and the innermost one, with activated carbon to capture chemical compounds and odors

The filters of this air purifier are quite resistant, and last at least six months with average use, but despite this they must be changed from time to time. I recommend first of all, when you receive a filter change signal from the app, to check the external filter by cleaning it (not with water!). If at this point the alert persists, how to fix it? With a replacement.


The best thing to do is to buy the official filters (which you can find for example on Amazon) which cost only a little more but offer maximum compatibility and best functioning. A little tip that friends who have this purifier gave me is to use this other filter, at the first replacement: it has even better characteristics and apparently improves filtration even in terms of unpleasant odors.


If, on the other hand, you want to buy a cheaper filter to save something – I personally do not recommend it – take this one from Sodial, which is not bad.

Xiaomi 2H Air Purifier review: conclusion

As previously mentioned, this is an excellent air purifier for small homes, and if you have a two-room apartment and a wallet that’s not too bulky, I recommend it without hesitation. However, if you have some extra cash, you may perhaps turn to another device. Look at the page I have dedicated to the best air purifiers, for example.

If I have to recommend a site to buy the Xiaomi 2H, my choice definitely goes to Amazon, and in particular I refer you to the page of Xiaomi itself where you can find it at the best price.

Product description

Power :29 W

Noisines:  41.3 db

Purified air volume:  380 m3 / h

Purified square footage: 126.67 m2 / h   ,3m high room

Action surface:  High

Filtered particles :0.3 µm

HEPA filter : YES

Timer: YES

Silent mode: YES

Automatic mode:  YES

Remote commands: YES

Air quality sensor: YES


Height: 52 cm

Width: 24 cm

Depth :24 cm

Weight :4.5 kg

Brand: Xiaomi


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