






💼 Elevate your workspace and wellness with whisper-quiet, all-day hydration.
The Dreo 6L Top Fill Humidifier is a professional-grade ultrasonic device designed for large rooms up to 500 sq ft. Featuring a massive 6-liter tank, it provides up to 60 hours of continuous cool mist at whisper-quiet 28dB noise levels. Its advanced 5% accuracy humidity sensor and auto mode ensure optimal air quality, while customizable mist settings, essential oil diffusion, and ambient lighting create a tailored environment. The top-fill design and modular cleaning system with smart cartridge alerts make maintenance simple, perfect for busy millennials seeking health, comfort, and productivity in their living or workspaces.
















| ASIN | B0D3V95ZJC |
| Brand | DREO |
| Brand Name | DREO |
| Capacity | 6 Liters |
| Colour | white |
| Control Method | Touch |
| Country of Origin | USA |
| Customer Reviews | 4.4 out of 5 stars 2,351 Reviews |
| Filter Type | Pre Filter |
| Floor Area | 500 Square Feet |
| Included Components | 1 Humidifier, 1 x Cleaning Brush Cleaning Guide, 1 x Demineralization Cartridge, 2 x Scented Pads (1 pre-installed), User Manual |
| Item Dimensions D x W x H | 14D x 28W x 25.8H Centimeters |
| Item Shape | Oval |
| Item Type Name | Humidifier |
| Item Weight | 1.76 kg |
| Manufacture Year | 2024 |
| Manufacturer | Dreo |
| Material Type | BPA Free, Baby Friendly Plastic |
| Model Name | HM524 |
| Model Number | DR-HHM004 |
| Operation Mode | Ultrasonic |
| Other Special Features of the Product | Adjustable Humidity Control, Aroma Diffuser, Easy top filling, Night Light, Ultra-quiet 28dB operation |
| Part Number | DR-HHM004 |
| Power Source Type | Corded Electric |
| Room Type | Bedroom |
| Runtime | 60 hours |
| Special Feature | Adjustable Humidity Control, Aroma Diffuser, Easy top filling, Night Light, Ultra-quiet 28dB operation Special Feature Adjustable Humidity Control, Aroma Diffuser, Easy top filling, Night Light, Ultra-quiet 28dB operation See more |
| UPC | 810142852944 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |
| Wattage | 26 Watt Hours |
K**Z
Great Buy!
Where I live, the air is really dry, so I usually wake up with my nose, kind of hurting from the dryness very dry, but it keeps my nose and really moisturize and also if I sleep with my mouth open, I don’t get a sore throat from the air my skin is hydrated. I actually really love love love this is very quiet. Very easy to use in. The mist is amazing and refreshing.
V**S
ALERTA DE SALUD
Nada recomendable, cuidado puede afectar tu salud!!! ALERTA A TODO LOS CONSUMIDORES!!
A**Y
Upgrade from 4L version
got this as an upgrade from the 4L version after nearly 2 years of pretty consistent use. The timer feature is really nice but I do wish there were more “brightness” levels like the older/smaller version. It’s either all the way bright or off which is kind of a bummer but otherwise it’s a huge upgrade
E**C
The best of a problematic product line!
Why are humidifiers a problematic line? It's because in using them to solve one issue (dry bedrooms), you are often causing a myriad of other problems such as mold growth, and emitting solid particles (read allergens) from water into your air, as well as additional cleaning chores ... as if a home weren't replete with enough items to clean and maintain. I honestly did not want to spend this much on a unit. A budget of $30 was all I wanted to blow on something that I might use for a few months and then store forever because of the "solving one problem to create many other issues" scenario. Anyway, I did spend a couple more Hamiltons than I wanted to and here are the reasons it seems to have been worth it. 1. Lower maintenance. Don't get me wrong, you will HAVE TO clean the unit for 30 minutes each week with something like a vinegar, or hydrogen peroxide, and water solution (ask Ai how to do this). There is no getting around the issue that mold and bacteria form will inside the unit in a week or even less. You will even see it inside when you remove the tank ... yellow (and black if you wait too long) formations of growth that accumulate in lines, pockets and circles inside the unit. You know what I am talking about — if you have a water purifier pitcher in your fridge, or God forbid outside your fridge, that you don't clean often you'll see them there too, except you'll be drinking those ughhhhh!!! That growth with be dispersed into your bedroom in the form of millions of water droplets. Think of them as microscopic cocoons. Let it suffice to say of all the units I have owned or purchased and returned, this one is one of the easiest to clean, but you will HAVE TO clean it. 2. Size of water tank. The water tank is 6L so you won't have to be filling it up every 6 to 8 hours with water from your beloved and hopefully clean water purifier pitcher in your fridge. The other option is to keep gallons of distilled water all over your bedroom to fill these units up. That is yet another issue if you go that route. In any case, tap water is not a good idea because it typically has more minerals and chemical such as chlorine in it that will also be broken up and dispersed in the water vapor to the chagrin of your poor, delicate lungs. 3. Humidity sensor. The built-in humidity sensor is a big plus in this unit. It is very accurate as the readings consistently match my hygrometer (kind of thermometer that gives humidity readings) that sits on the other side of the room. So why is this a such a plus? First it keeps your room from getting overly clammy which can lead to mold growth on your walls and floating around in the air you breathe. Second, it makes your use of water very efficient. The unit emits water vapor only when the ambient humidity is lower than whatever setting you easily choose on the control panel. I keep mine at 45%. Anything over 50% accelerates mold growth in your room and anything below 30% is like not having a humidifier at all. So, it only uses the amount of water necessary to keep it with a couple of points of your setting. The 6L of water lasts a whole lot longer between tank replenishment. You may get several days out of one tank-full. Third, it shuts off when there is no longer water in the tank. It's nice to have an electrical device smart enough to know when not to be on. So, if you have problems with dry air and you are willing to add cleaning chores to fix the problem, this unit is about the best of a problematic product line that does its job, but potentially creates other issues equal to or greater that the problem you set out to solve. Just keep it clean and you will be as satisfied with your purchase as I am so far.
J**L
A better humidifier
The humidifier meets my needs, so I am happy with it. I purchased this one because I had a positive experience with the smaller Dreo 4L (model HM311S) that I bought a few weeks earlier. I should note here that my only prior experience with humidifier's was with basic on/off models of yesteryear. And that was what I was looking for when I purchased the first Dreo. The Dreo just happened to be on sale at a price equivalent to older type device, so it made sense to me to try it. I am glad I did. There are a few things about these humidifiers that you would not necessarily think you need until you have them. First, they are quiet. Very quiet. Second, you can control how much humidity they produce. Third, they have a night light - which is kind of helpful as you get used to where you placed them. The light does change colors normally, but I think you can control that. It's a gradual change and the colors all seem to have similar luminance. Fourth, the footprint is smaller which gives you a lot of options for placement Fifth, you can direct the flow forward or back by tilting the plastic output piece. Sixth, they stop running when the water is empty. And when you refill the water, it keeps the settings you had. Both models display the percentage humidity in the room. I think the 4L HM311S model works better than the 6L model HM524 because its reading tends to more gradually change. This might be a function of the room and placement. I am not sure that the sensor can measure the humidity much further than the device - I got the impression that the sensor might be picking up the humidity the device is producing at times (probably because of changing currents due to the A/C running). The pad on the 4L HM311S model seems more intuitive than the one on the 6L model HM524. Though I had no trouble getting either set up for my needs. Both come with some pieces for maintenance that do not attach to the devices. There is some risk that one might lose them or forget about them. One thing to note about these newer humidifiers is that manufacturer suggests using distilled water. Distilled water is relatively cheap as far as purchased water goes, but it is getting harder to find. And if you need to run these a lot, it can be kind of expensive. I ended up using filtered water from my fridge and just clean them more often. It is very possible my choice may lead to an earlier demise, but I reasoned out that it would like cost me way more in distilled water then the device itself. The 6L model HM524 seems to go through water faster when it gets toward the end of its tank. Again, could be the room. These are kind of tall and narrow. I did have a concern that my cats could potentially knock them over. It has not happened. The water adds a fair amount of weight to these so that probably helps. I doubt it would help if they engaged in rambunctious play and slammed into it. Larger animals and small children could certainly be a risk. The room size ratings Dreo provides are likely accurate, but there are a lot of factors that can influence that. It does make sense to have a larger capacity device for a larger area. Overall, I am very pleased with these devices.
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