Xiaomi air purifiers have long been popular with users due to their combination of affordable prices, high efficiency and integration into the smart home ecosystem. However, the range of models is constantly expanding, and choosing the best option is becoming more difficult. In this article, we will analyze the key parameters that you should pay attention to when buying, compare popular models and help determine the choice depending on the space, budget and specific needs.
Modern air purifiers not only remove dust and allergens, but also fight formaldehyde, bacteria, viruses and bad smells. But not all models are equally effective: some are better at handling large particles, others are better at gases, and others are optimized for working in a bedroom or nursery. Let's figure out how to avoid making mistakes and paying too much for unnecessary functions.
Key parameters when choosing an air cleaner Xiaomi
Before buying, it is important to determine what tasks the device should solve.
- π The surface area is indicated in square meters and depends on the power of the fan. Inadequate performance will lead to poor cleaning, and excess - to unnecessary noise and energy consumption.
- π Type of filter β HEPA (For small particles, coal (for gases and smells), photocatalytic (for decomposition of organic matter), some models support interchangeable filters of different types.
- π Noise levels are critical for bedrooms and children's rooms. 30-40 dB.
- π± Smart functions β control through the Mi Home application, voice assistants, automatic speed control according to sensors.
- π° Cost of operation β the price of replacement filters and their resource (usually) 6-12 months of round-the-clock work).
Pay particular attention to the Clean Air Delivery Rate (CADR), which is the clean-up efficiency measure. The higher the cleaning rate, the faster the device will cope with pollution. For a standard room of 20 m2, 200-300 m3 / h is enough, and for spacious rooms it will require 400 + m3 / h.
β οΈ Warning: If you have frequent wildfires or high smog levels in your area, choose high-density carbon filter models that are better at handling fine soot and toxic gases.
Comparison of popular models Xiaomi 2023-2026
The table below shows the latest Xiaomi air purifiers with key characteristics, based on official specifications and tests from independent laboratories.
| Model | Area, m2 | CADR, m3/h | Types of filters | Noise level, dB | Price, β½ (pp.) |
|---|---|---|---|---|---|
| Xiaomi Smart Air Purifier 4 Lite | 28 | 330 | HEPA + coal | 32β64 | 12 000 |
| Xiaomi Smart Air Purifier 4 | 48 | 500 | HEPA H13 + coal | 34β67 | 18 000 |
| Xiaomi Smart Air Purifier 4 Pro | 60 | 600 | HEPA H13 + coal + antibacterial | 33β68 | 25 000 |
| Xiaomi Mi Air Purifier 3H | 45 | 380 | HEPA + coal | 34β65 | 15 000 |
| Xiaomi Smart Air Purifier 3C | 25 | 320 | HEPA + coal | 30β60 | 10 000 |
The Smart Air Purifier 4 series models are equipped with a temperature and humidity sensor, which allows them to be used as part of the smart home climate system. For example, the 4 Pro can automatically turn on a low-humidity humidifier (if it is connected to the same ecosystem).
The best choice for different rooms
The same air purifier won't work for all scenarios, so let's look at the optimal models depending on the problem.
- ποΈ Bedroom or children's room (15-20 m2): Xiaomi Smart Air Purifier 3C β quiet (30 dB at night), compact and budget, suitable for round-the-clock work.
- π Living room or kitchen (30-40 m2): Xiaomi Smart Air Purifier 4 β high performance (500 m3 / h) and smart control through the application.
- π’ Large apartment or office (50)+ m2): Xiaomi Smart Air Purifier 4 Pro β maximum CADR Support for multiple filters.
- π¬ For smokers or regions with poor environment: Xiaomi Mi Air Purifier 3H β reinforced carbon filter for absorption of tobacco smoke and chemical fumes.
If you have pets in the room, look for models with a prefilter for wool (for example, 4 Pro). It traps large particles, extending the life of the main body. HEPA-filter.
β οΈ For allergic patients critical filtering class HEPA. Optimally β H13, which captures 99.97% of particles up to 0.3 ΞΌm (pollen, dust mites, mold spores).
Which is better: Xiaomi or alternatives?
Xiaomi air purifiers are often compared to appliances from other brands such as Philips, Dyson or Sharp. Xiaomi's main advantages are:
- π° Price: 1.5-2 times cheaper than analogues with similar characteristics.
- π± Integration into the ecosystem: working with Mi Home, Google Assistant, Alice.
- π Easy maintenance: Replaceable filters are available in official stores.
However, competitors have their advantages:
- π¬ Dyson: bladeless fan, quieter work, but the price is 3-5 times higher.
If the budget is limited and the priority is price/quality, Xiaomi remains one of the best options. For maximum cleaning (for example, asthma), it is worth considering specialized models from Philips or Blueair.
π‘
Before buying, check whether there is an official warranty in your region. Some Xiaomi models (such as the 4 Pro) may be delivered to Russia unofficially, which will complicate service.
How to save on operation?
The cost of owning an air purifier is not only the price of the device, but also the cost of filters and electricity.
- Buy filters in bulk: original filters for Xiaomi are often sold in sets of 2-3 pieces at a discount of up to 30%.
- Use compatible analogues: for example, 3M or HEPA-Filter filters are 20-40% cheaper than the original ones, but check the certificates.
- Set up a schedule: in the Mi Home app, you can set the device to work only during peak pollution hours (for example, morning and evening).
- Regularly clean the prefilter: vacuum cleaner or brush - this will prolong the life of the main filter.
The average life of the filter is 6 months, but with proper care it can be extended to 9-12 months. For example, in Xiaomi 4 Pro there is a clogging indicator that will tell you when it is time to replace the filter.
Check the clog indicator once a month |
Clean the prefilter with a vacuum cleaner every 2 weeks |
Ventilate the room before turning on the device |
Store spare filters in sealed packaging-->
Frequent errors in selection and use
Even experienced users sometimes make mistakes that reduce the efficiency of the air purifier.
- π« Incorrect location: the device should be located at a distance of 30-50 cm from walls and furniture for free circulation of air!
- π Constantly running at top speed: This wears out the filters quickly and increases noise.
- π¬οΈ Closed windows 24/7: For full cleaning, you need to periodically ventilate the room (at least) 10 minutely).
- π Ignoring firmware updates: new versions often improve sensor algorithms.
Another common problem is buying a device that is too powerful for a small room, which leads to excessive noise and electricity consumption, for example, Xiaomi 4 Pro is designed for 60 m2, and in a room of 15 m2 it will work at the minimum speed, which is suboptimal.
Why does the air cleaner smell like plastic after you buy it?
FAQ: Answers to popular questions
Can I use a Xiaomi air purifier without a filter?
How often should filters be changed?
Is Xiaomi suitable for fighting viruses?
Can I use the air cleaner all night long?
How to reset the air cleaner Xiaomi to factory settings?
π‘
For most apartments, the Xiaomi Smart Air Purifier 4 is optimal β it provides a balance of price, performance and smart features. If the budget is limited, 3C or 4 Lite will be a good alternative for small rooms.