How to use Xiaomi humidifier correctly: from the first inclusion to maintenance

Xiaomi’s humidifiers (including Smartmi and Mi Air Humidifier models) have become an integral part of the smart home for thousands of users, combining minimalist design, integration with the Mi Home ecosystem, and advanced features like automatic humidity maintenance or flavoring. But even a device that looks simple requires proper operation, or you’ll end up with mold on the walls, white plaque on furniture, or premature failure.

In this article, we will look at all the steps of working with Xiaomi humidifier, from unpacking and first on to solving typical problems. We will focus on setting up through the application (including hidden features), selecting modes depending on the season and maintaining that will prolong the life of the device. If you are just planning to buy, at the end of this article there is a comparative table of popular models with their key features.

Unpacking and preparation for first inclusion

Before you first use the Xiaomi humidifier, it is important not only to read the instructions, but also to properly prepare the device.

  • πŸ“¦ The main unit of the humidifier (with a water container)
  • πŸ’§ Removable water filter (in models with cleaning function)
  • ⚑ Power supply (some models have built-in cable)
  • πŸ“„ Guarantee card and brief instructions
  • πŸ”§ In some kits - brush for cleaning or aromatic capsules

First, wash the water tank with warm water with a mild detergent (no abrasives!). Pay special attention to the ultrasonic membrane (if open) - it can not be rubbed with hard sponges. In models with a replaceable filter (for example, Smartmi Air Humidifier 2), pre-soak it in water for 10-15 minutes, as indicated in the instructions.

⚠️ Warning: Never use tap water for the first run without first filtration. High-salt hard water will cause white coating on furniture after 2-3 days of operation. Distilled or boiled water is the best option.

After washing, assemble the device according to the instructions.

  • πŸ”Œ The tank is tightly installed on the base (before clicking)
  • πŸ’¦ Water level is below the mark. MAX
  • πŸ“± Mi Home app updated to the latest version (if you plan to connect over Wi-Fi)
πŸ“Š What kind of Xiaomi humidifier model you use?
Smartmi Air Humidifier 2
Mi Air Humidifier Pro
Smartmi Evaporative Humidifier
Another model
I haven't bought it yet.

Connect to the Mi Home app and setup

One of the key benefits of Xiaomi humidifiers is that it can control the device via the Mi Home app, which allows you to not only turn the device on/off remotely, but also adjust schedules, automatic modes and monitor humidity levels in real time.

  1. Install the Mi Home app (available for Android and iOS).
  2. Sign up or sign in to your Xiaomi account.
  3. Press + β†’ Add the device β†’ Air humidifier.
  4. Choose your model from the list (for example, Smartmi Air Humidifier) ZHJMS02ZM).
  5. Connect the humidifier to the power supply and wait for the flashing of the Wi-Fi indicator.
  6. In the app, select your Wi-Fi network (2.4GHz only!) and enter your password.

After successful connection in the menu of the device will appear the main options:

  • 🌑️ Current humidity (with a schedule of changes)
  • πŸ’§ Water level in the tank
  • βš™οΈ Working modes (auto, night, children, etc.)
  • πŸ•’ Timer and schedule
  • πŸ”„ Update of firmware (if available)

In the Automation section, you can create scenarios, for example:

IF humidity < 40% β†’ Then turn on the humidifier in the "Auto" mode
If it is 22:00 β†’ Then switch to β€œNight mode”

πŸ’‘

If the humidifier is not connected to Wi-Fi, try resetting it to factory settings: hold the power button 5-7 seconds before the beep.

Choosing the mode of work: which is suitable for your case

Xiaomi humidifiers offer several pre-configured modes, each of which is optimized for specific conditions.

Regime.Humidity level, %Noise level, dBWhen to use
Automobile40-60 (setting up)25–38The main mode is to keep the humidity comfortable at all times, and the device regulates the intensity itself.
Nighttime40–50≀25For sleep, it has minimal noise and lighting, and in some models it automatically turns off when it reaches its target level.
Childish50–60≀30Optimized for children’s rooms: higher humidity and additional filtration (if supported).
Enhanced.Up to 80.38–45For quick moisturization (for example, after airing in winter), it is not recommended to use longer than 2-3 hours.

It is important to take into account seasonal features:

  • ❄️ In winter (when heating is working), the humidity in the apartment often drops below 30%. Use auto-repress with a target value of 45-50% and place the humidifier next to the battery (but no closer than 30 cm).
  • β˜€οΈ In the summer, at high temperatures, excessive humidity can lead to stuffiness. Optimal range is 40-50%.
  • 🌿 For allergies or asthma, avoid high-intensity regimens - they can pick up dust.Use a child regimen with additional filtering.
What to do if the humidifier does not reach the desired humidity?
If the device is working but the humidity is not increasing: 1. Check the tightness of the windows - drafts dry the air. 2. Make sure that the tank is filled with water (sometimes the water level sensor is delayed). 3. In models with hygrosate (for example, Smartmi Air Humidifier 2), calibrate the sensor: place the humidifier in a room with known humidity (measure the hygrometer) and manually adjust the readings in the application. 4. If the problem persists, clean the ultrasonic membrane from the hype (checking and maintenance section).

Cleaning and maintenance: how to avoid mold and scale

Xiaomi's ultrasonic humidifiers require weekly cleaning - even if you're using distilled water.Neglection of maintenance leads to:

  • 🦠 Bacteria and mold development in the reservoir (health risk!).
  • βšͺ White raid on furniture and floor (because of salts in the water).
  • πŸ”Š Increased noise during operation (due to scale on the membrane).
  • ⚑ Breakdown of the ultrasonic generator (expensive repairs).

Here is a step-by-step cleaning instruction (suitable for all models) Xiaomi/Smartmi):

Disconnect the device from the network and drain water

Wash the tank with warm water with vinegar (1:1) or citric acid

Clean the ultrasonic membrane with a soft brush (without pressing!)

Rinse all the details under running water and dry

Replace the water filter (if provided)

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For deep cleaning (1 time per month):

  1. Prepare the solution: 1 liter of water + 2 tbsp vinegar 9% or 1 liter of water + 30g citric acid.
  2. Pour the solution into the tank and turn on the humidifier for 30 to 60 minutes (away from furniture!).
  3. Pour the solution and thoroughly wash all parts.
  4. To remove scale from the membrane, use a special brush (comes with a kit) or cotton swab.

⚠️ Warning: Never use aggressive products like Domestos or Belize to clean your Xiaomi humidifier, they destroy plastic and membrane, and avoid abrasive sponges, which scratch the interior surfaces, which accelerates the formation of plaque.

If your model provides a replacement filter (for example, antibacterial or coal), watch its resource:

  • πŸ”„ Smartmi Air Humidifier 2: Replace every 3-6 months (depending on the hardness of the water).
  • 🌿 Mi Air Humidifier Pro: The filter is designed for 150-200 cycles (about 4-5 months with daily use).

Common User Mistakes and How to Avoid Them

Even experienced owners of Xiaomi humidifiers sometimes make mistakes that shorten the life of the device or negate its benefits.

  1. Using tap water without filtration, leads to white plaque on furniture and breakage of the membrane, so you can either use distilled water or install a reverse osmosis filter.
  2. Placement of the humidifier on the floor or next to furniture, the optimal height is 50-100 cm from the floor (for example, on the nightstand), this ensures even distribution of steam and prevents wet surfaces.
  3. In non-hygrostat models (such as Smartmi Evaporative Humidifier), this results in excessive humidity and condensation on the windows. Solution: use a timer or auto.
  4. Ignoring low water signals: In Xiaomi humidifiers, the ultrasonic membrane automatically turns off when there is not enough water, but if you leave the device on "dry", it can damage the heating elements (in models with a warm steam function).

Another common problem is the mismatch between real and displayed humidity, which is that the built-in hygrostat measures the humidity next to the device, where it is always higher than the room average.

  • πŸ“± Use an external hygrometer (e.g., Xiaomi Mi Temperature and Humidity Monitor 2) to calibrate.
  • πŸ”„ In the Mi Home app, adjust your humidity target to 5-10% below your desired level.

πŸ’‘

If the humidifier starts to make more noise than usual, this is the first sign of scale on the membrane. Don't wait for the failure: clean the device according to the instructions from the Cleaning and Maintenance section.

Solving common problems

Even the most reliable Xiaomi humidifiers sometimes fail or work incorrectly.

Problem.Possible causeDecision
The humidifier is not switched onNo power, protection's on.Check the power outlet, cable, and power button. If the light isn't on, try another power supply.
Does not spray steam (works, but humidity does not increase)Membrane clogged, no water, ultrasonic generator brokenClean the membrane, check the water level, if it doesn't work, contact the service.
Heavy noise or vibrationScaling on the membrane, wrong assemblyDo a deep cleaning. Make sure the tank is tightly installed.
The app doesn't see the deviceWi-Fi problems, outdated firmwareReboot the router, update the Mi Home, reset the humidifier to factory settings.
The furniture is white-painted.Hard water, high intensity of sprayingUse distilled water, reduce power, or place the device further away from the furniture.

If the Xiaomi humidifier gives an error on the display (for example, E1, E2), The decoding depends on the model:

  • E1 β€” No water in the tank (re-start and re-start).
  • E2 β€” overflow (pump excess water).
  • E3 β€” problem with the humidity sensor (calibration or replacement required).
  • E4 β€” malfunction of the membrane (cleaning or service).

In flavoured models (such as the Smartmi Air Humidifier 2), there is sometimes a problem when the smell does not spread.

  • 🌬️ A clogged aromatic channel (clean with a needle).
  • πŸ’§ Insufficient water level (flavoring only works at full tank).
  • πŸ•³οΈ A loosely closed aromacapsule compartment.

If you haven’t already chosen a humidifier, here’s a comparison table of the current Xiaomi and Smartmi models with their key features:

ModelTypeVolume of the tank, lArea, m2FeaturesPrice, β‚½
Smartmi Air Humidifier 2Ultrasonic.440Hygrostat, aromatization, night mode, control through Mi Home6 000–8 000
Mi Air Humidifier ProUltrasonic.560Warm/cold steam, antibacterial filter, display, high flow rate (300 ml/h)9 000–12 000
Smartmi Evaporative HumidifierEvaporative650Natural humidification without white plaque, low power consumption, filter from scale7 000–9 000
Xiaomi Mi Smart Antibacterial HumidifierUltrasonic.4.535UV lamp for disinfection of water, children's regime, quiet (≀25 dB)8 000–10 000

When choosing, pay attention to:

  • 🏑 Area of the room: for a room of 20 m2 enough model with a tank of 4 liters, for a hall of 40 m2 need a humidifier of 5-6 liters.
  • πŸ’§ Type of humidification: - Ultrasonics are compact and silent, but require distilled water. - Evaporatives (such as Smartmi Evaporative) do not leave a plaque, but are noisier and more expensive to maintain.
  • πŸ‘Ά Presence of children: Choose models with child mode and antibacterial protection (for example, Mi Smart Antibacterial).

FAQ: Answers to Frequent Questions

Can I use a Xiaomi humidifier with essential oils?
Most Xiaomi models (such as the Smartmi Air Humidifier 2) have a special aromacapsule compartment, but you can’t put essential oils directly into the water, it will damage the plastic and membrane, use only original capsules or diluted oils (1-2 drops per capsule).
How to reset the Xiaomi humidifier to factory settings?
To reset, hold the power button 5-7 seconds before the beep (in most models). After that, the device will reboot and it can be reconnected to the Mi Home. In some models (for example, Mi Air Humidifier Pro), the reset is performed through the menu in the application: Device settings β†’ Reset.
Why is Xiaomi’s humidifier making a lot of noise?
Causes of increased noise: Scaling on the ultrasonic membrane (cleaning required); Vibration due to a loosely closed tank (check assembly); fan operation at maximum power (switch to night mode); mechanical failure (such as wear of fan bearing); If cleaning has not worked, contact the service center.
How much electricity does Xiaomi’s humidifier consume?
Consumption depends on the model and mode: Smartmi Air Humidifier 2: 15-25 W (maximum at the increased mode); Mi Air Humidifier Pro: 25-40 W (due to the function of warm steam); Smartmi Evaporative Humidifier: 5-10 W (most economical).
Can I leave the humidifier on overnight?
Yes, but with reservations: Use night mode (minimum noise and backlighting). Make sure there is enough water in the tank (some models automatically turn off at low levels). Do not direct the steam flow directly to the bed or furniture. If the room is cool (below 18).Β°C), excess humidity can lead to condensation on windows.