Xiaomi Mi Air Purifier 3H: Review and opinion

Xiaomi Mi Air Purifier 3H: Review and opinion

Do you need an air purifier? Do you have allergies to pollen or animal hair? A lot of dust in your house? Pollution coming through the window? We have tested the Xiaomi Mi Air Purifier 3H, a next-generation air purifier.

Xiaomi Mi Air Purifier 3H: review and opinion

Xiaomi Mi Air Purifier 3H

Maybe you need the air in your house to be completely free of dust particles, pollen that enters through the window, or you simply live in the center of a big city and many cars pass under your house (pollution ends up putting the black walls…). Nor can you forget the allergy that your pet (cats and dogs) can cause you.

Xiaomi Mi Air Purifier 3H – Features

and changed the internal design to improve efficiency.

The three-layer filter effectively removes PM2.5 particles, formaldehyde and other harmful substances.

The LED display will change color depending on the air quality:

  • PM2.5 or diameter <75 μg / m³ – If the light ring is green (good air)
  • 75 <PM2.5 or diameter <150 μg / m³ – If the light ring is orange (not so good air)
  • PM2.5 diameter> 150 μg / m³ – If the light ring is red (bad air)

On the screen you can see the temperature, the humidity level, the operating mode and the status of the WIFI connection.

Xiaomi Mi Air Purifier 3H – Operation

Really simple. You turn it on and it goes into automatic mode (an A on the OLED screen).

If you press again you change the operating mode to night or you can press more times to increase the operating power in 3 levels or reach a custom mode.

All this can be done only with the screen of the purifier, but you can connect the Xiaomi app “Xiaomi Home” available on Android and iOS to configure it to your liking and change more options (you just have to follow the steps to configure the WIFI on the device and register an account in Xiaomi).

In the test you can see that the air is perfect, but we can assure you that if you move a blanket, start dusting the shelves or open a window on a windy day, the indicator starts to rise and the device starts to work. Like a crazy person.

  • It can be controlled by voice using Amazon’s Alexa assistant or Google Assistant.

In automatic mode, this purifier does not emit any sound … no sound … and it is working and cleaning the air in your room. Its noise level ranges from 32 to 64db (A).

The sound begins to be noticed at level 1, 2 and especially at 3. But these modes will only have to be used in case you want to clean the air in your living room or bedroom in a few minutes.

We have not used the night mode because the automatic mode is just as quiet. What we have removed is the light from the screen with a button on the back. Not that it bothers much, but you can turn it off.

You can also configure all these options and many more in the app:

  • Make light less bright or pay for it
  • Remove notification sound
  • Schedule on or off
  • Activate parental control
  • Activate Malfunction Alerts
  • Vary the intensity level, put the manual or night mode.

And very important: It tells you how much is left to change the filter in days, but the normal thing, if you have moderately clean air, is that it lasts about 150-200 days.

Are the filters compatible with previous versions of this purifier? Yes, but they recommend using the new HEPA filter: Xiaomi HEPA Filter for Air Purifier in gray . It is a class 13 HEPA filter with better filtering capacity, antibacterial and anti-formaldehyde. The filter for green (special formaldehyde) and purple (special antibacterial) are HEPA 12.

  • HEPA 12 filters (green and purple) retain up to 99.5% particles (0.3 microns)
  • HEPA 13 (gray) filters are more effective. Captures 99.95% of particles. Perfect for allergy sufferers.

Its price is usually around 30-40 euros. And you will have to change it between 1-2 times a year. For you to take on account.

Xiaomi Mi Air Purifier 3H – Conclusion

A great device, a great air purifier. The only attachment that can be put against other models in its range is that it is still somewhat expensive, but it is worth it. And it’s not as expensive as Philips air purifiers.

Its design is minimalist and integrates perfectly in your living room or bedroom.

The effects of using this air purifier are noticeable within a few minutes of operation thanks to its powerful HEPA 13 filter.

If you are allergic to pollen from plants, if you have an allergy to the hair of your dog or cat, or simply the dust in the environment causes you to cough, sneeze, cry constantly and a lot of mucus, having a good air purifier at home is essential.

You should remove the sound signal on and off, which although it does not bother much, it does not contribute anything. It’s really quiet in its auto and night mode, and the filter’s half-life is very good.

  • The 3-layer filter is capable of filtering pet hair or dust (layer 1); spores of bacteria, fungi and mites, pollen-PM2.5 and PM10 particles- (layer 2); formaldehyde, tobacco smoke, bad odors (layer 3). Very complete.

Small wheels are missing to carry it from one room to another, but it is very light, small and can be loaded without problem. The cable is long enough (1.5 meters). Spends only 38 watts at full power.

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