OPOLAR Quietest Filter-Free Digital Humidifier Review

Eileen Martin
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In today’s article we will be reviewing the OPOLAR Quietest Filter-Free Digital Humidifier.

It’s been popular on the market ever since it was launched and so we decided to take a closer look at it for you. Here we go:

Our rating: 6 / 10


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  • Preset humidity
  • Quiet operation
  • Runs for 24 hours on lower settings
  • Good customer support


  • No auto mode
  • Coils cheap plastic, which means it breaks quickly
  • A bit smaller than mentioned

This humidifier has a very high mist output, which means that it can make a bigger difference when it comes to hydrating your environment. It also has an ultrasonic technology that will keep it operating in a quiet manner so as not to disturb others who wish to sleep.

Aside from the quietness of this, a very important aspect is that it can be set in a certain humidity range. A useful feature is the timer, which can automatically shut off the humidifier when the tank is empty.

The automatic shut-off sensor will make sure that no water will be wasted and that you will receive more mist when you place the humidifier in your room. It also has three mist levels for the amount of mist you wish to have.

The timer allows you to set it on for between 1 to 9 hours with a low, middle, and a high mist level. It comes with a water tank that is capable of holding up to 3 liters and no filters are required.

It comes with a one-year warranty for your peace of mind. In my opinion, this is one of the best humidifiers to have in the bedroom and for its quietness.

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Not what you’re looking for? Read our roundup review: 10 Best Filterless Humidifiers of 2022 – Healthy & Cost Efficient