KOIOS Humidifiers for Bedroom - [Upgraded] 4L Advanced Easy-Clean Top-Filling Design, Ultrasonic Cool Mist Humidifier with Intelligent Constant Humidity & Timer Function, 3 Mist Modes

Disappointed with this purchase. Planned to return, but past the return window.Pros:a) beautiful designb) big bucket for water; comes out easily, and is easy to fillCons:a) no way to disable the blue lights, even in sleep mode. resorted to placed cardboard/books in front, which takes away from the beauty of the design.b) very difficult to start: took 5-10 attempts each night, with it often erroring out. went through all of their troubleshooting steps many, many times. would always eventually work, just was a huge pain.c) would error out and stop in the middle of the night in sleep mode. still full of water, just would stop running.Ending up being too much of a pain to run through troubleshooting steps, taking out & replacing, resetting, turning on/off, etc each night that we just stopped using.

I've not had it long but I love it. Great design and top fill is awesome. Nice led controls, the programmable humidity sensor is a nice plus. Longevity is my only concern but so far would highly recommend.Update: well it didn't last long. After third refill it leaked the entire gallon on the floor.Returning.

This humidifier is very neat, the ability to see the humidity level and keep the humidity at whatever percentage you want are very useful features. It’s super easy to fill since you can remove the reservoir. It has a sleep mode, where the light is dimmer and it hasn’t bothered me. The humidifier stopped working efficienctly, because I had been using tap water. just splashed a little bit of vinegar into the water and let it run for a bit and it was good as new.

I got this unit to run in a greenhouse setting, where I need a very high humidity level. This product can't raise the humidity level above 75%, even when I set the humidistat to 90% (the highest it will go). I am continually resetting the unit, turning it back on, and resetting the humidistat. I even tried setting the timer and it will not run continuously. However, it is quiet and compact and easy to clean. It just won't do what I need it to do even though it supposedly has the features to do it.

Worked for about 1 week. Not having much luck with humidifiers. The search continues..... Starting to think that there is no such thing as a good cheap humidifier. Looks like you get what you pay for. $100 and up looks like the way to go to get any kind of quality when it comes to humidifiers. That's been my experience anyway.

This humidifier was what I have been looking for. I wanted one that was truly quiet, would produce a good amount of water vapor and is easy to clean/fill up. While nothing is truly silent, this humidifier is one of the quietest I have come across. I also like how easily accessible the water tank is to remove or fill up with a pitcher. The controls are simple to use. If the sound level and easy cleaning are important features to you, I would recommend this product.

I am a light sleeper so I need a very quiet humidifier. I had to return the unit because it is too noisy for bedside use. Heavy sleepers may have no trouble. It does a decent job of humidifying and I like the top fill. It appears to be easier to clean than the TaoTronics that I wound up with (much quieter). One thing that this unit handles better than the one I have is the release of water to the transducer does not cause bubbling or girgling noise.

I have to change my initial review. I’ve had it 5 weeks. I was pleased with BUT when I went to turn it on this evening it had leaked all over my nightstand. I had a rubber-backed rug under it and it was soaked. Hopefully the top of my night stand is t ruined. I went online and found I’m one week over the timeLimit to return it so I just lost &50!! Not happy.