Dry indoor air can trigger unpleasant symptoms, such as dry skin, allergies, dried eyes or respiratory problems. But a good humidifier can effectively solve this problem and is especially useful in the summer season when the weather is hot and the air contains more allergens. You might be surprised, but you can find a decent humidifier not only in expensive hardware stores but also on AliExpress. The Xiaomi Smartmi Evaporative Humidifier 2 is a good example of this. We are going to check if it is worth the hype and provide a detailed review for your consideration.

Technical characteristics

Xiaomi Smartmi Evaporative Humidifier 2

It might seem confusing, but Xiaomi and Smartmi are basically one and the same brands. According to the official description, Smartmi is a “sub-brand” of Xiaomi specializing in smart home appliances that improve the quality of indoor air. Aside from humidifiers, this list includes air purifiers, fans and other products.

The Xiaomi Smartmi Evaporative Humidifier 2 belongs to a new generation of humidifiers that do not produce water mist. One of its main advantages is that it doesn’t produce water mist, making it a healthier option for humidification and air moisturization. This feature makes it suitable even for children and the elderly with respiratory and other airborne diseases.

With that being said, let’s take a quick look at the technical specifications:

  • Type: Evaporative humidifier
  • Rated voltage: 110-240V
  • Rated power: 8W
  • Water tank capacity: 4 L
  • Product dimensions: 240x240x363 mm

We have background information, as well as some of the specs – now is the time to move on to a detailed review.

Packaging and appearance

Xiaomi Smartmi Evaporative Humidifier 2

The Smartmi Evaporative Humidifier 2’s appearance is characterized by simplicity and brilliant technical design. It is small and has a water tank of respective capacity, but don’t be fooled by its size: the humidifier can provide 16-24 hours of humidification, depending on settings.

The body is made of white plastic and features a black LED display that shows the current temperature, remaining water capacity, and air humidity level. It is packed in a cardboard brand box which is quite often damaged in the process of shipment (no harm done to the device, though) – something that many customers have already noted.


Xiaomi Smartmi Evaporative Humidifier 2

One of the main features of the Xiaomi Smartmi Evaporative Humidifier 2 is its ‘mist-free evaporation technology,’ which means you won’t be annoyed by the thin layer of white dust that often appears with ultrasound humidifiers. To achieve this, the evaporative humidifier is equipped with 36 rotating blades, specifically referred to as ‘evaporating fins’. These blades slowly come into contact with water and, as a result, form an ultra-thin water film. This water film is then spread throughout the room with the help of a cross-flow fan, which accelerates evaporation and ensures even, natural humidification across an area of nearly 2 square meters.

Xiaomi Smartmi Evaporative Humidifier 2

Another advantage of this smart device is the ease of the refilling process. It features a top-fill design, meaning that you can pour the water directly through the grille, without needing to turn the humidifier off. And you don’t need to worry that water can get to the electronic parts and damage the device because the powerful DC motor is safely protected by a water baffle.

Xiaomi Smartmi Evaporative Humidifier 2

Another important feature to be mentioned is the system of automatic evaporation of the remaining water. Why is this important? Usually, when the water gets below the minimum level necessary for operation, the humidifier stops working – but the water remains there, accumulating bacteria and causing a foul odour. Doesn’t sound nice, right? However, Xiaomi Smartmi Evaporative Humidifier 2 is so smart that it goes into an auto-dry mode to remove any water residues.


The Xiaomi/Smartmi brand is renowned for its ‘smart technologies’, and the Evaporative Humidifier 2 is no exception. The LED display serves as a main unit for device control: you can use it to adjust the screen brightness, switch the humidification gear and check key indicators such as room temperature, humidity level and remaining water volume. When the water volume is near its minimum level, the indicator will turn red, so you won’t miss the best moment to refill the tank.

Like many other Xiaomi/Smartmi appliances, this humidifier can be connected to the Smart Home system using the Smartmi Link App. This will allow you to control your device remotely and even set up a child lock for safety considerations.

Pros and cons

Xiaomi Smartmi Evaporative Humidifier 2

As we can already see, Xiaomi Smartmi Evaporative Humidifier 2 has many advantages, which can be briefly expressed as follows:

  • next-gen mist-free evaporation technology;
  • simple ergonomic design;
  • evenly humidifies the area up to 2 square meters in size;
  • automatic evaporation to remove water residue;
  • made of hypoallergenic materials;
  • top-fill design: easy to add water, no need to turn the device off in the process;
  • up to 16 hours of humidification;
  • remote control via Smartmi Link App;
  • smart LED display.

Identifying the product’s weak points can be challenging, but we have consulted customer reviews to uncover some disadvantages we might have overlooked.

  • expensive, but only when compared to other offers on Aliexpress;
  • quiet only when used on the first power level;
  • quite often the package is damaged upon delivery;
  • sometimes the device loses its Wi-Fi connection and must be reconnected manually.


Xiaomi Smartmi Evaporative Humidifier 2 can effectively solve the issue of low air humidity in any season, using innovative mist-free technology to its advantage. Many customers are not afraid to say that it is one of the best offers on AliExpress, and after a detailed review, we can second that sentiment.

Video Review

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