Aennon Cool Mist Ultrasonic Humidifier Review

Aennon Cool Mist Ultrasonic Humidifier Review

Powerful, compact and quiet, though the build quality could be improved.

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The Aennon Cool Mist Ultrasonic Humidifier is one of the most popular cool mist humidifiers in the UK at the time of writing. It’s an affordable product that could be a good choice for relieving breathing difficulties and sore throats.

Find out how this Aennon humidifier performs in this review.


  • 7-colour LED nightlight
  • Aroma diffuser function that uses essential oils
  • Auto shut-off feature
  • 360° nozzle to distribute mist
  • 2.8 litre capacity

Dimensions: 29 x 21 x 20 cm

Performance and design

This humidifier is easy to set up and start using. After filling the water reservoir and switching it on, it will run for about 5 hours before automatically switching itself off.

The Aennon Cool Mist Ultrasonic Humidifier has a 7-colour nightlight that children will love. You can turn this feature off if you find it distracting.

This humidifier isn’t completely silent but is quiet enough for the bedroom. Some buyers receive a model that makes too much noise. If this happens to you, contact the seller and try to get a replacement model.

This product is effective at humidifying the air and helping relieve breathing difficulties. You can use it with plain water or with essential oils to give the mist a nice aroma.

The Aennon Cool Mist Ultrasonic Humidifier is suitable for babies, adults and children, and will also help dogs who find it hard to breathe at night.

One downside to this model is that many buyers find it stops working properly after 6 months or so. This is quite common with cheap humidifiers, so you might need to invest in a more high-end model if you’re worried about this product’s build quality.

Pros and cons

  • Very quiet—you barely notice it’s on
  • Nice atmospheric lights
  • Good customer service
  • Good value for money
  • Easy to set up
  • Compact yet powerful
  • Reservoir can leak
  • Short lifespan


The Aennon Cool Mist Ultrasonic Humidifier is powerful yet compact, and generally runs very quietly. It isn’t the cheapest humidifier on the market, nor is it the most expensive. It offers a good combination of performance and affordability, though unfortunately it won’t last forever.


A cheaper alternative (at the time of writing) is the VicTsing 800ml Essential Oil Diffuser. It has a smaller water tank than the Aennon model (800 ml rather than 2.8 L), but runs for longer (about 9 hours rather than 5 hours).

A more expensive, high-end humidifier is the PureMate PM 908 Digital Ultrasonic Cool Mist Humidifier, which has a large 4.5 L water tank and features a sensor that measures the room’s humidity level and adjusts the mist output accordingly.

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