
LEVOIT - LV600HH Hybrid Ultrasonic Humidifier
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Based on 1 year's data from Feb 24, 2026 How it works
Liked most:
3
3
"all the pieces that touch water come apart and can be cleaned"
"My levoit works well and is easy to clean."
"comparing this to a previous levoit ultrasonic and i like that it’s way more healthy. ... No mold in tricky spots (yet anyway) ... and i feel like i can do an easier job of keeping it clean for my son."
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"My little tanks work great and are very effective ... Mine got up to 50% humidity within a few hours."
1
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"The most satisfying part of LV600HH is its extremely low noise."
2
1
"We have had the same Levoit for about 4 years now, and run it every day once we start using heat in the house."
"my Levoit is going strong"
Disliked most:
3
3
"Yeah, I have 6L Levoit and it's a pain in the ass to clean. I do it once a week."
"Most of parts are machine-washable, except one built-in vent on the base, which has the most dark-dirt buildup ... I don't know where the dirt/germs are from, but it shows up the next morning after I clean it, and it's difficult to clean thoroughly because of the structure."
"Our Levoit was a headache the whole time between frequent cleaning"
1
3
"Yeah, I have 6L Levoit and it's a pain in the ass to clean. I do it once a week."
"Most of parts are machine-washable, except one built-in vent on the base, which has the most dark-dirt buildup ... I don't know where the dirt/germs are from, but it shows up the next morning after I clean it, and it's difficult to clean thoroughly because of the structure."
"Our Levoit was a headache the whole time between frequent cleaning"
1
1
"it does not work with tap water. ... I used tap water with ultrasonic humidifier before and there is white powder buildup and I feel sick because of it. ... While using distilled water can be expensive and burdensome to buy on daily basis--It uses almost 2Gal water per day."
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1
"half the time it wouldn’t work (red light of death)"
"Our Levoit was a headache the whole time between frequent cleaning"
Same here. I was struggling to find an evaporative humidifier. I currently have LEVOIT LV600HH, which claims to be one of the best ultrasonic humidifier. But: 1. it does not work with tap water. I used tap water with ultrasonic humidifier before and there is white powder buildup and I feel sick because of it. While using distilled water can be expensive and burdensome to buy on daily basis--It uses almost 2Gal water per day. 2. Most of parts are machine-washable, except one built-in vent on the base, which has the most dark-dirt buildup--I don't know where the dirt/germs are from, but it shows up the next morning after I clean it, and it's difficult to clean thoroughly because of the structure. So what I am looking for: 1. evaporative humidifier which can use tap water directly. 2. easy to clean, ideally the whole body is machine washable. 3. Low noise. The most satisfying part of LV600HH is its extremely low noise.
Look forward to your update. I turned out to buy a new AIRCARE 2.5 Gal. Evaporative Humidifier. 1. The noise is louder than the old ultrasonic one, but at the lowest fan level it is acceptable. 2. With a larger water tank it supports a higher room humidity level which is a plus. 3. I used tap water and didn't pay attention to the filter until 3 weeks later I noticed it's molded...I tried different methods to clean up and reuse the filter but failed. 4. I bought new filter and ProTec humidifier cleaner. So far it looks OK. We will see. Lessons learned: never clean the filter with bleach, it does sanitize and remove mold stain, but it takes much more effort to remove the residue from the filter, and it softens the filter that it can no longer stand within the humidifier :(
My needs seem to be similar to yours and I use Leovit LV600HH in my bedroom. It's quite basic but does the job. It's the only humidifier I've had so can't say how it compares to competition. I use distilled water and this pretty much completely eliminates buildup. I only have to clean it maybe once every 3 months. But if you use tap water there will be buildup that you would have to deal with constantly.
I love Levoit warm-mist humidifiers! We’ve been using them for almost 10 years - there’s one in each bedroom. They make an incredible difference when the weather is really dry in winter. We Ala have the whole house one on our main floor, but it doesn’t do warm mist; only cold, and warm is probably better for your kitty. I use the 6L ones for the bedrooms, and have to fill them 1-3x/day depending on how night I set them. They will last for years if you frat them well - charge the filters and do vinegar soaks to remove buildup every so often. I do it every 1-2 months for a few hours each time, but we have pretty hard water.
i have a levoit with a hygrometer and it has lots of bad reviews specifically for that white dust
I bought a Canopy, without realizing how gamed the marketing is in this sector. It was essentially a paper filter tower dipped in a reservior of water with a computer fan drawing air through the filter. It worked, but the construction was dead simple for being over $200. And required a new filter every few weeks. And of course, it had a noticeable cooling effect. Then, I bought a Levoit with warm mist option. It had a design flaw where it was very easy to water log the boiler, which caused flooding. I then tried a Dreo and so far so good. It also has a heat option.
YES! We just bought a Levoit with both warm and cool air options. So we run a dehumidifier in the summer, and a humidifier in the winter. Plus a couple of air purifiers. So glad we switched to solar panels.
There is no such thing as a maintenance-free humidifier, whether it’s evaporative, ultrasonic, or even steam, they all require regular cleaning or regular changing of filters (or sometimes both). Steam is less prone to mold, but also super hot, and is prone to scale buildup which still requires cleaning. I would suggest giving your current unit a thorough clean first to see if that solves the issue. We have a 6L LEVOIT (ultrasonic/cool mist) humidifier, and I check ours every couple of weeks. If I see the mold, wipe the affected areas down with vinegar and rinse. Hydrogen peroxide 3% works well if I really want to feel thorough. We also make sure to change out the filter as recommended or more often (you can buy them in bulk). We also run two Vornado evaporative humidifiers on the first floor of the house. Let me tell you, the wicks in those develop considerable mold, and we change them out once a month or sometimes more often. Regardless of humidifier the concept is the same. You have to take care of them no matter what you buy.
I run two, Levoit (6L) humidifiers on the main level of my home (1900sq), one in the living area and one in the primary bedroom. They only run in the morning and evening. They do enough to keep things from getting too dry. I don't bother with the basement. Went this route instead of replacing the whole house humidifier at a cost that made me balk. The 120ish cost was a bit more palatable.
100% agree. We purchased the Levoit 6L (distilled water) two months ago from Amazon for our bedroom. The capacity and simplicity to operate this humidifier makes it worth the purchase. It is used mostly at night, and we have not needed to clean it yet. You won't be disappointed.
I've had this one for about 7 years from Amazon. It works great because you can set the humidity level and choose warm vs cool vapor. My bedroom has a cathedral ceiling, so it takes the right setting to humidify the room due to that. It also has a timer, I find 6 hours is enough for the night. Levoit Model 6L
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