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💨 Breathe smarter, live better — your home’s humidity hero awaits!
The Levoit Classic 300S is a smart ultrasonic humidifier designed for large rooms up to 505 ft². Featuring a 6-liter tank, it delivers up to 60 hours of ultra-quiet misting at ≤26dB. With built-in humidity sensors, Auto Mode maintains optimal moisture levels automatically. Control it remotely via the VeSync app or voice assistants like Alexa and Google. Its top-fill design ensures easy refills and cleaning, while an aroma pad option adds customizable scents. ETL certified and BPA-free, it’s perfect for bedrooms, nurseries, and offices seeking smart, hassle-free air hydration.

















| ASIN | B08HS45N13 |
| Best Sellers Rank | #1,709 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #6 in Humidifiers |
| Brand | Levoit |
| Brand Name | Levoit |
| Capacity | 6 liters |
| Color | Gray |
| Control Method | App |
| Customer Reviews | 4.4 out of 5 stars 33,361 Reviews |
| Filter Type | Wick |
| Floor Area | 505 square_feet |
| Included Components | 1 × 6L Ultrasonic Smart Top-Fill Humidifier, Aroma Pad, Cleaning Brush, User Manual, Water Filter Sponge |
| Item Dimensions D x W x H | 9.6"D x 7.5"W x 13.4"H |
| Item Highlight | Top Fill Cool Mist Humidifier for Baby & Plants, Easy to Clean, Essential Oil, Rapid Humidification & Auto Mode, Sleep Mode |
| Item Shape | Square |
| Item Type Name | 6L Cool Mist Top Fill Oil Diffuser for Baby and Plants, Smart App Alexa Control, Rapid Humidification and Humidity Setting, Quiet Sleep Mode, Ultrasonic |
| Item Weight | 2 kg |
| Manufacture Year | 2021 |
| Manufacturer | LEVOIT |
| Material | BPA free, suitable for babies and adults |
| Model Name | Humidifiers for Bedroom Large Room Home |
| Model Number | Classic 300S |
| Number of Packs | 1 |
| Operation Mode | Ultrasonic |
| Other Special Features of the Product | Auto Mode, Auto Shut Off, Easy to Clean, Quiet, Run all night, Smart Control, Top Fill |
| Part Number | Classic 300S |
| Power Source | ETL Certified AC Power Adapter |
| Room Type | Bedroom,Baby,Room,Living Room,Nursery,Large room,home,Office |
| Runtime | 60 hours |
| Special Feature | Auto Mode, Auto Shut Off, Easy to Clean, Quiet, Run all night, Smart Control, Top Fill |
| UPC | 810043373210 |
| Unit Count | 1 Count |
| Voltage | 120 volts_of_alternating_current |
| Warranty Description | Satisfaction Guaranteed: Experiencing issues? Our California-based Customer Support Team is here to help. If your product is defective, don’t worry about shipping it back. We’ll send you a replacement right away! |
| Wattage | 26 watts |
S**M
MONEY WELL SPENT!
I love the humidifier and especially the app! It is SO quiet I don’t even know it’s on and very easy to set up & run! Everything I need is right in the front & easy to get to like refilling the reservoir and adjusting the settings. I live in TX where humidity is high but this humidifier adjusts the mist accordingly. My husband is not coughing as much so the cool air has been effective in eliminating that! 🙏 I’m also using distilled water to keep it as clean as possible. I think I made a smart decision when I purchased the Classic 300S humidifier!❤️ I live in TX where humidity is high but the Classic 300S keeps the humidity low & and very comfortable.
W**S
Easy & Effective
This product has been great so far! It is extremely quiet. Honestly I don’t think it makes any noise. It is easy to take apart and wash. The night light has 2 settings and it’s a the perfect amount of soft warm light. The light kind of looks like a lava lamp when turned on and that makes it soothing and fun to look at. I have this in my living room and it has upped the humidity. I bought a brita pitcher and I use filtered tap water. This humidifier is effective and adjustable. It also doesn’t leave a film or any residue like other humidifiers. I am really impressed.
B**N
Honestly Amazed
After researching multiple humidifiers, I settled on this Levoit 650S and I'm honestly blown away by it, enough to write a review. The designs and the features are just so over the top, you can tell they put a lot of care into a humidifier which is not a device that typically gets much thought. I'm coming from an old basic sunbeam ultrasonic unit which was loud, had to be refilled at the sink (from the bottom) and impossible to clean. This Levoit unit blows it away and it has so many features I didn't even expect. Automation & Smart Features: If you're considering this unit, it's probably for the smart features. And it's way more comprehensive than I anticipated. If you've ever set up a smart bulb, the setup and app function is very similar. You can set schedules, timers, mist intensity, change the light temperature and brightness and target what humidity level you want. There are even "scenes" I don't quite understand yet. For my schedule, I run my unit at 50% humidity during the day with the light on in daylight hue, from 9AM to 9PM. From 9PM to 9AM, the light transitions to warm 2700k, 50% brightness, and I target 45% humidity during the night. This schedule took about 5 minutes to setup. Bit of a learning curve as with any new app, but not too convoluted. Since the system automatically detects ambient humidity, you can use that as a target like a thermostat and let it do its thing. It will automatically turn on and off as needed. I didn't expect this, I was mostly just looking for something I could schedule on and off, but this is way more accurate. 45% - 50% is ideal for house plants. Above 60% you risk mold growth. So it's best to have a unit which maintains a target, rather than guessing with an on/off switch. In addition, the app keeps a history of everything, almost like a fitness app. It constantly records humidity levels, so you can see (if you wanted) what humidity was like during the night, even if your unit isn't running. Then maybe adjust it for your sleep to figure out what's best. A bit superfluous to track humidity like this, but again I appreciate the effort by Levoit. Aesthetics & Nightlight: So...the design is beautiful. Yes a humidifier is beautiful. The big tank is nicely shaped and crystal clear like glass, and the central steam column with the night light creates a very nice aesthetic. The light is perfect for a night light. Some people complained it was too dim and I think they're missing the point. It just looks nice in a pitch black room. That's it. If it were any brighter, it would be bothersome to have on at night. This is great on a night stand, though you may want the smaller model. The front plate displays the current humidity. The LEDs on the front are white and not too bright for a dark room. I've added an image and it seems brighter in the photo than it really is. It's similar to an old alarm clock, and the numbers are big and easy to read from a distance. The entire front can also be turned off if you want no lights at all. The controls are touch activated, but I mostly interact via my phone. Output & Noise: I have it set to run automatically 24/7, so I set it to the gentle/lowest setting which is completely inaudible. At the maximum setting, it can really pump out mist and is no louder than a desktop computer fan. Aromatherapy: I didn't even know this existed when I bought it, but there's a little internal tray you can add essential oils to. Haven't tried this yet, but I intend to. Orange, Lemon and Lavender would be nice. Maybe some sandalwood. Filling & Cleaning: Unlike my old sunbeam, the main base of this unit stays dry, with a wet tray over base which the tank connects to. So you pull out the wet tray and run it through the dishwasher, theoretically keeping the main unit completely clean of mold or mineral deposits as it doesn't come into contact with water. This is a HUGE feature as my old sunbeam was impossible to clean. The tank sat right into the base, so there was always water in a base filled with electronics you couldn't get wet. Again, by comparison, completely thoughtless. It's the little things that come from regular use which determine whether a product is just "meh" or "I love this thing". And this is in the latter category. I used tap water in my last unit, and we have great tap water in Colorado. But I'm using filtered Zero Water this time to avoid any mineral build up, along with stripping out chlorine and fluoride. Only pure water is emitted this way. Since the unit can be refilled from the top, you can take smaller pitchers of water to refill/top up and not have to haul a large tank. Great for older people, much more manageable. And the tank is quite large, it will last a few days of continual use without a refill. Overall, just refilling it is much less of a pain than the sunbeam was. Value: I got this on sale for a bit over $70 which I think is a great price given the features. Lots of other uglier, standard units are priced at this level. Levoit makes a lot of humidifiers and I actually think this is their best model. Highly recommended.
T**B
Excellent Quality & Effectiveness
The “LEVOIT Classic300S Ultrasonic Smart Top Fill Humidifier worked very well for me. This’s is the first and only humidifier I’ve owned. It is exactly as pictured on Amazon, and functions well. It’s a quality product - performance and durability. I used it nearly 24/7 for two and half years. I opted for a large tank which turned out to be a good decision. The larger the tank, the less often it needs to be filled. Though I was overzealous in hoping it could humidify a very large open-concept living room and kitchen. It did pretty well considering I was trying to accommodate a larger area than it was meant to cover. I regularly used all three mist “output” options to adjust for how the weather impacted the amount of humidity I needed. The vent for the mist can rotate which I found very convenient. The light had just the right amount of illumination. The scent infuser is the only thing I didn’t use, due to allergies not the product. The water container is very easy to clean. Since I wasn’t used to having a humidifier I often forgot to clean the inside the base of the humidifier (where the water runs through the system). That led to a challenge. There were some tiny spaces that needed cleaning but couldn’t be reached by anything I tried - sponge, finger, mini scrub brush, toothbrush, tiny bottle brush. I think it was just the structural design that impacted the reachability of those area. (That might be true for most humidifiers. I don’t know since this was my first one.) Eventually those tiny areas inside the base developed a nasty build up. Ultimately I had to throw it out because it wasn’t healthy to continue using it. That was the only down side of this product. Because I wasn’t diligent in cleaning it sooner and more frequently, perhaps the cleaning issue could have been avoided. If I knew a way to reach those spaces, it would be the perfect humidifier and i would definitely buy it again. Overall it’s an excellent humidifier and very effective in its purpose. Based on this singular experience, I consider Levoit a quality brand, tried and true, and wouldn’t hesitate to buy their products.
A**R
💗 this!! Bought for medical purposes.
This was a life saver for me after having sinus surgery. I bought it because of tank size (and maybe the essential oil duffuser) never thinking i would really use the app or the bells and whistles. I love this! Very simple to clean, the app is very useful for helping you get the humidity needed just right and for all your instructions. Thanks to the app I found the turbo setting which I did not know about along with other features. Very quiet. Nightlight if wanted. You can turn out all the lights on the control panel for complete darkness.
A**M
Happy Customer
Best humidifier I have ever purchased. I have had many humidifiers, and none lasted or met my expectations until I bought this one. This one does not spray water around or leave a white dust. I use only distilled water and demineralizing humidifier balls in the humidifier. It is very easy to set-up, clean, or prepare for storage. When the product showed up, one of the filters was off-white and appeared yellow. However, Levoit provided excellent customer service after I provided them with my purchase information. I would definitely buy this again or at least stick to Levoit.
J**S
The best humidifier
I have four or five humidifiers (heated, cold, wicks) and this is by far the best I've found. (A friend recommended it.) * It's got a large tank that's easy to lift off and fill. * It's quiet. * It seems to do a better job of putting moisture into the air than the others. It's replaced my old favorite.
J**A
It's better than you think it is. The reviews are legit.
So far so good. I bought two and have them on Auto so idk how long til I have to refill them. Let me get the 4 stars out of the way... I wish it had other light color options and the *the set up* part wasn't extremely easy as other devices. It took a while to connect to my wifi, had to retry 2 or 3 times until I unplugged and plugged it back in, then, it also needed me to input my PW for my wifi but it wasn't allowing. Me to do so unless I disconnect myself from my own wifi and connected back up. I do have to mention that it may have been a returned item because it had preselected info on there that I had to erase. I know it sounds bad but I promise it was easy, but the extra steps, along with the minutes lighting made me knock it down a star. ALSO, when adding essential oils, you definitely need more than a few drops. The sponge it has will absorb it a lot. I needed to add maybe 15drops or more and still it's a faint smell. Easy fix tho, just add until it works. It's an easy fix but still I feel it should be mentioned. Oh annnnd you are not able to set the Exact moisture level directly from the humidifier. You can just set to high, low or auto. You need to download the app and there you can do all the fancy programming on it. That's all the bad. Not really bad at all, just some small bumps. The app is actually really well thought through. Easy to adjust and set. And you can set it to your voice assistant. I have mine set to Alexa and work flawlessly. And you can control them remotely with your phone without being home. None of these things should deter you from this device. Now the good. It's not an enormous water tank but as you fill it, you quickly realize that it's definitely not small. The design is not fancy but it is still not bad to look at. It definitely shoots the mist up high. Idk if it's as high as advertised but definitely at least 32 inches from the sprayer. I have one in a larger size living room connected to an open concept kitchen (maybe 450ft SQ). Still took only about 5 mins to spread across the rooms. I did after all have it on HIGH the whole time. Since it's good, I lowered it to the permanent setting I desired, set to auto and boom. It really is good, I was surprised. Needless to say. The bedroom one will last longer and work even more efficiently since it's bedroom. Just go get it. I got mine because it's summer and the central AC is causing nosebleeds and my daughter's eczema flares. This is helping.
H**Y
Excellent produit, mesure fiable et utilisation pratique
J'ai acheté ce produit notamment pour fournir un meilleur taux d'humidité à mes plantes d'intérieur. Pour le moment, rien à redire, il fonctionne parfaitement. La fonction 'Auto' lui permet de se déclencher dès que le niveau d'humidité passe sous un certain seuil et de s'arrêter de la même manière lorsque celui-ci atteint le niveau fixé. Il est aussi possible d'utiliser l'appareil en mode 'Manuel' en le déclenchant soit même et choisissant un niveau de brumisation. Le remplissage se fait très simplement par le haut et le contrôle via l'application VeSync est un petit plus pratique.
H**.
Works great!!
Works great for our living room (8x5m) I also got it to work in home assistant. I bought this model specifically for using it in home assistant and because of the good reviews. +: Big tank, silent, clear display, the cats stay away from it, app works great - : You have to create an account (I read somewhere that a credit card is needed. This is not true!). If the company takes down the service, the home assistant integration stops working. All together a great machine!
K**P
Excellent Humidifier
Works well . Do use 220V to 110 converter , great humidifier
M**.
Es un muy buen aparato
Es muy práctico, es automático en cuanto baja la humedad se enciende y al alcanzar su nivel detiene, cuenta con un tanque grande, no hay que estar rellenando de agua muy seguido, si se puede agregar aroma en su charola pero no aromatiza mucho.
A**I
El mejor que he tenido hasta ahora
Ahora que llevo con el casi dos meses ya puedo daros mi opinión. He tenido varios de varias marcas y este es el mejor que he tenido hasta la fecha. La niebla es impresionante en su nivel más alto y tiene un diseño bonito. La capacidad del tanque es suficiente para una noche al máximo de niebla y sobra como un cuarto de depósito o más. Son 6 litros, se puede usar agua del grifo sin filtrar sin problemas, no hace falta que sea mineral, filtrada o descalcificada. Donde vivo el agua es muy dura y no he tenido ningún problema. Es fácil de montar y desmontar para su limpieza. Me encanta que te avise de cuando toca limpiar el tanque y el interior. La app es muy intuitiva y se puede controlar por Google Assistant o Alexa. Las pegas que le puedo poner son: - Ni Alexa ni Google entienden en español la orden de apagar la luz del tanque, solo lo he conseguido con Google en inglés. "Turn the light of the humidifier off" - No tiene Integración con IFTTT. Aunque la app Vesync aparece para integrarla, no aparecen los humidificadores. Por lo que no puedo hacer automatizaciones con Smart Life y otras marcas de domótica. Cuidado con tener muebles no hidrofugos de madera cerca, la niebla puede llegar a mojarnos un poco. En mi caso son resistentes a la humedad.
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