Https Www.consumersearch.com Humidifiers Best-whole-house-humidifiers
The inquiry
- Why you should trust us
- Who this is for
- How nosotros picked
- How nosotros tested
- Our pick for the best humidifier: Levoit Archetype 300S Ultrasonic Smart Humidifier
- Flaws but not dealbreakers
- A reliable, low-maintenance choice with warm mist: Levoit LV600HH Hybrid Ultrasonic Humidifier
- Basic, placidity, affordable: Levoit Classic 200 Ultrasonic Cool Mist Humidifier
- An free energy-smart evaporative alternative with cracking circulation: Vornado EVDC300
- Upgrade pick: Venta LW25 Airwasher
- What nearly warm-mist humidifiers?
- What about air washers?
- What nigh putting a pot of water on a radiator?
- The health risks of a dirty humidifier—and how to avoid them
- The competition
Why you should trust usa
Since 2014, we've spent more than 420 hours researching and testing dozens of humidifiers in enclosed home spaces using Lascar data loggers. The earliest versions of this guide were written by John Holecek, a erstwhile National Oceanic and Atmospheric Administration researcher who has studied atmospheric physics and chemical science everywhere from the continental US to the Arctic to the remote island nation of the Maldives. Senior staff writer Tim Heffernan took over in 2017, building on that before inquiry. Tim has also written guides to air purifiers, water filtration systems, and more. Since 2019, the guide has been shepherded by staff author Thom Dunn, whose other work includes guides to space heaters, portable air conditioners, and window air conditioners.
Who this is for
If you are bothered by bug associated with dry out air—dry out sinuses, nosebleeds, cracked and sore lips, or shocks from static electricity—the air in your abode is probable nether-humidified. In most of the US, this is primarily a wintertime problem, especially in homes with forced-air heating systems, which can bulldoze indoor humidity down to desert-like weather. Just dry air tin likewise be an issue if you take radiators or other types of heating, since the relative humidity of common cold winter air is more often than not lower than that of summertime air.
The cheapest and easiest way to keep the relative humidity levels at levels recommended by the EPA—below threescore%, and ideally between 30% and 50%—is to use a humidifier. This volition alleviate the symptoms listed above while discouraging mold and mildew growth (which can happen in excessively boiling conditions). Proper humidification can also help slow the spread of airborne viruses, including flu and SARS-CoV-2, aka the coronavirus. The full general research consensus is that even though a humidifier should never be relied upon to prevent infection, ambient humidity matters (to a degree) in terms of a viral particle's ability to survive in the air, likewise as in how your immune organization's defenses function. Medical enquiry we've seen that describes how to use a humidifier to create optimal weather echoes the EPA's long-standing xxx% to 50% advice. If you want to measure out the humidity in your infinite earlier you purchase a humidifier, or you want to monitor the performance of a humidifier you already have, you lot can go a basic hygrometer on Amazon for well-nigh $10.
Humidifying your home involves more than than just ownership a machine and keeping it filled with water. Neglecting to clean and maintain your humidifier, oft on a weekly basis, can expose yous to wellness risks, similar the nasty fungal wheezing of hypersensitivity pneumonitis, also known as "humidifier lung." At that point, the car can exercise y'all more damage than good. You lot tin can mitigate this risk somewhat by using distilled or demineralized water instead of tap, merely either manner, you'll yet accept some work to do. So enquire yourself honestly: Are you ready to be a "humidifier parent"?
How we picked
This is the eighth iteration of a guide we've been working on for nearly a decade, so we went into it with considerable cognition on what constitutes a good humidifier, in terms of engineering and design. Measured strictly by moisture output, most of the machines we've tested over the years have performed adequately. Just we've institute huge differences in ergonomics, ease of cleaning and filling, quality of structure, and user interface.
Because you generally have to interact with a humidifier daily (to refill the tank, sometimes more than once, and and so restart and reset it), these factors always weigh heavily in our conclusion on which machines to pick for testing.
As e'er, nosotros researched popular models on Amazon (paying attention to both positive and negative reviews), also as sites like AllergyBuyersClub.com, Acme 10 Reviews, ConsumerSearch, and All-time Buy. And we read the comments from our previous guide for feedback and suggestions from our readers. We focused on portable humidifiers rated to cover betwixt 200 and 700 square feet. Nosotros limited our search to models that needed to be filled only once a 24-hour interval, which meant a minimum tank size of ane gallon (although we accept made occasional exceptions).
There are many dissimilar kinds of humidifiers, but we narrowed our search to the most common types: evaporative and ultrasonic. Neither one is necessarily better than the other; they're both simple, effective, and energy-efficient machines that employ different methods of humidifying a room. In the past, our top pick has typically been an evaporative model; these tend to take a more mechanically simple design, and they are better at self-regulating, oft shutting themselves off every bit soon as they enter the ideal humidity range. Over time, however, in response to reader feedback, we've started leaning more heavily toward ultrasonic models. These tend to be quieter than their evaporative counterparts, and they don't need any wicks or filters that require regular maintenance. Only they're too more than likely to over-humidify the room, and they tin sometimes get out a dusting of fine white powder on the floor from the minerals in your water. (This is more of an annoyance than anything else, and yous can minimize the problem by using distilled or demineralized water.) Notwithstanding, we e'er make sure we offer recommendations for both kinds of humidifiers, so you can pick which ane suits your state of affairs improve.
Over the years, nosotros've considered more than 100 dissimilar humidifiers and tested more than two-dozen of them. For our most recent tests, in 2021, nosotros looked at iii new ultrasonic models: the Carepod One, the Wi-Fi–continued Levoit Classic 300S, and the Dyson–PH01 Pure Humidify + Cool (which doubles as an air purifier, but nosotros didn't test this feature). We also looked at two new evaporative models, both from Vornado: the "Energy Smart" EVDC300 and the extra-big Evap40. We compared these against our existing picks: the evaporative Honeywell HCM-350 Germ Free Cool Mist Humidifier, the ultrasonic Honeywell HUL430 Cool Mist Humidifier, the Levoit LV600HH, and the Venta LW25 Airwasher (which uses a unique common cold-evaporation technology and claims to "wash" or purify the air).
How we tested
Our testing procedures have remained largely the same since 2014, although the locations take changed. Nosotros set up up the test models in an enclosed, 200-square-pes room with the windows shut tight and the forced-air or other HVAC equipment deactivated. We take an initial humidity reading, turn on a humidifier, permit it run for four hours at a time, and repeat—first on medium (or depression, on two-speed machines) so again on loftier. The aim is to measure the humidifiers' performance nether everyday conditions (when the medium setting would exist acceptable), also every bit nether challenging conditions (such as during a bout of uncommonly cold, dry out winter air, when humidification needs are highest). Between tests, we reset the weather by opening the windows, turning on a dehumidifier, and circulating in drier air.
While running these tests, nosotros measure quantitative factors to provide a mutual baseline of comparison amidst the models. We runway the charge per unit of humidification in the room every bit well as the accuracy of the humidistats, and other climate-based information, using a pair of Lascar high-accuracy USB information loggers. For volume measurements, we utilize an audio spectrum analyzer app, recording our results in both dB-A and dB-C frequency weightings for added accuracy.
Nosotros likewise pay attending to qualitative factors, like the ease of cleaning the machines, the simplicity of operating them, and other details that make living with them every bit easy as possible. We note any difficulty opening, filling, and closing the tanks; this can be a pretty crucial cistron, since almost machines get refilled at least one time a day, if you run them constantly on a medium setting. Admittedly, our observations are subjective—just scrubbing a dozen humidifier tanks, filling them twice daily, and carrying them across a 1,200-square-foot apartment (over and over) all week does brood some familiarity.
Our most recent tests were performed in the fall, in a garden-level Boston apartment with electric radiator heat. From 2017–18, we tested in a New York City apartment that had hot-water radiators. Before that, nosotros tested these machines in lab-similar conditions at the home of John Holecek, a former NOAA atmospheric scientist. And all the while, we have used these picks long term throughout the land in Wirecutter staff members' homes.
Our choice for the best humidifier: Levoit Classic 300S Ultrasonic Smart Humidifier
Our pick
Of the more than two-dozen humidifiers we've tested over the years, the Wi-Fi–continued Levoit Classic 300S Ultrasonic Smart Humidifier offers the all-time combination of like shooting fish in a barrel maintenance and quiet, reliable performance. It's besides the first ultrasonic model we've tested that was actually able to finish itself from over-humidifying a room—a surprisingly monumental feat. The six-liter tank is large enough to last a whole day, and it is easier to open, fill, and clean than nearly any other tank we've tried. The Classic 300S also has a built-in dark-light, along with the selection to turn off both the light and the digital LCD screen, depending on how you like to sleep. Thoughtful features like these make the Classic 300S more pleasant to live with overall, and they can all be controlled by 4 capacitive buttons on the unit itself or via app or voice control. Even the smartphone app was surprisingly delightful. And though initially we were pretty skeptical most the idea of a "smart humidifier," it won the states over with its remarkably user-friendly blueprint, which genuinely fabricated our lives easier. When it comes to humidifiers, "ease of living" is really the ideal.
In our tests, the Levoit Classic 300S stood out not only for its ability to quickly humidify a room but likewise for its rare power to finish itself from humidifying a room. It performed impressively when we chose to let it run without limits, raising the relative humidity in the room by nearly 30% in just over two hours—making it more powerful than whatever other humidifier we tested (with the exception of the Carepod). Ultrasonic-style humidifiers are infamous for over-humidifying spaces, transforming the air from a pleasant mist into a clammy fog—which is exactly what happened in that first test. And then we ran a second test with the Classic 300S using the default "auto" setting. Over the class of four hours, this model brought the relative humidity in the room from 52% to about 55%. This was precisely what we wanted the Classic 300S to do. It was precisely what the instruction transmission said the Levoit would exercise. And information technology's something that no other ultrasonic humidifier has e'er actually washed for us. By contrast, the auto feature on the Levoit LV600HH—a model we've been recommending since 2018—sometimes won't stop until the room has reached the steady dankness of xc% relative humidity. This is not only uncomfortable but besides potentially unsafe, because this level can encourage mold growth and other nasty things. In other words, the Levoit Classic 300S stands out both because it humidifies a room ameliorate than other models and also considering it doesn't.
As practise other ultrasonics, the Levoit Classic 300S emits a low mechanical hum that essentially disappears within the empty sound of every room. The give-and-take substantially here is primal—you might nonetheless notice the hum if you're in an exceptionally quiet identify, such equally a forest with no current of air or critters. Some owners find this audio to exist more irritating than the white noise made past evaporative humidifiers. Nosotros personally have never been able to hear any audio from the Levoit Classic 300S, only people with sensitive hearing (or those who haven't spent decades playing in rock bands) might be more attuned to these things. The buttons don't make whatever sounds when yous touch them, either, which is really a nice surprise (the buttons on the Levoit LV600HH emit a ping!, which isn't awful on its own but is withal loud enough to wake some sensitive sleepers).
The Classic 300S'due south aesthetic simplicity is another big part of this model'due south appeal. It's just a slightly tapered rectangle with rounded corners. There'south a base of operations unit of measurement on the lesser with a water reservoir, as well 4 capacitive controls and an LCD screen, with a tank resting on pinnacle. That's all information technology is, and that'southward all you lot actually demand. When the time comes to fill or make clean the Classic 300S, you tin can lift the 1½-gallon tank directly off the base and behave information technology with the two built-in handles. Other humidifiers (including the Honeywell HCM-350, our former summit pick, and the similar Levoit LV600HH, which is all the same an also-great pick) apply screw-on lids to keep the water in the tank. Just these can sometimes be difficult to open, especially for people with hand-mobility issues, or even simply if they get too moisture to grip right. By contrast, the lid on the tank of the Classic 300S lifts direct off without any twisting or latching. The opening on the Classic 300S spans the width of nearly the entire tank, every bit well, then it's like shooting fish in a barrel to fill and even easier to reach inside and scrub abroad the inevitable limescale buildup. The only awkward office is the chimney where the water vapor passes through, which is hard to become into even with a canteen brush or the included cleaning tool. There are also a few plastic pieces that stick out on the bottom of the tank, but the tank should still be able to remainder well enough in most sinks. You exercise have to hold information technology while you're filling the h2o or, worse, awkwardly rest information technology against something and hope information technology doesn't spill.
The base unit of the Archetype 300S has four bones buttons. These should provide y'all with all the controls you'll need, without having to remote-control anything with the app (although the app does let you lot punch in with more than precision). The ability push turns on the unit and the LCD screen. The "mist level" button toggles the humidification output between low, medium, and high, or it lets you set the unit to automobile-regulate itself. At that place'due south also a small nighttime-calorie-free inside the tank, and you can switch it on or off with the calorie-free bulb button (this is a overnice characteristic if yous want some gentle illumination in the darkness). Finally, at that place's a "sleep" button, represented by a crescent moon, that turns off the LCD screen but keeps the unit of measurement running—a thoughtful touch for those (similar my infant son) who need total darkness to sleep. When the LCD screen is lit, it displays the verbal humidity level in the room, and it too indicates other things like Wi-Fi connectivity, low water levels, and whether or non you've prepare a timer in the app. It's a pretty bones digital brandish, merely it gives you just enough options and information without overwhelming you.
If yous do want more-precise control, or you want to adjust the humidity level for that "motorcar" setting we retrieve works so well, the Levoit's smart app, VeSync, provides you with plenty of options. On a basic level, information technology works equally a simple remote control and then you lot can control the LCD brandish, night-light, mist level, and so forth, without having to leave the burrow or bed. The app also lets you create a schedule to run your humidifier, to set a timer, or to customize the auto setting's Target Humidity. The app'due south default target is set to 50% (which is what nosotros saw in our tests), and it as well has an "auto-off" mode, which is turned on by default. This motorcar-off setting automatically stops the machine when the humidity reaches 5% in a higher place your target humidity, and the setting starts the automobile when your target humidity drops more than 5% below your target humidity. You can customize these levels in the app, though we're not sure why you'd desire to. The app will likewise give you weekly cleaning reminders (if you want them), and you lot can fifty-fifty create custom smart scenes based on personalized "if this, and so that" scenarios, which is pretty nifty. We were besides impressed with VeSync'due south smart-home integration. Not but does the app actually tell yous what kind of vox commands you tin can use, it volition also automatically search your phone (with your permission) to sync up and connect with Alexa or Google Home (assuming yous have the apps installed on your telephone). You don't even have to open a separate app to make sure everything is synced. That kind of convenience is rare, simply information technology's the type of thoughtful detail that makes the Levoit Classic 300S stand out.
Long-term test notes
Several Amazon reviewers have complained about the tank on the Levoit Classic 300S leaking — and later on a few months of regular use, we started noticing a similar trouble ourselves. Some Amazon reviewers have specifically pointed out an outcome with the rubber stopper on the float valve, which is supposed to close when the tank is total, then push up to fill up the base with water every bit needed. While we didn't have this specific problem ourselves, we notwithstanding noticed that the tank would however drip every time we lifted information technology to refill. As far as we could tell, these drips were only on the surface—not from an bodily tedious leak, but from lifting it out of a basin of water. We'll keep an center out on this watery weirdness issues, and continue to update this guide as we acquire more than.
Flaws simply not dealbreakers
Like a lot of ultrasonic humidifiers, the Levoit Classic 300S has a complex water channel in the base unit, and this tin be a little catchy to clean. Although it's not as labyrinthine as those of other models we've tested, you lot may still demand to get in in that location on occasion and actually scrub for a while. The education manual (PDF) should offer some guidance for whatever other tricky situations.
Among the user reviews, you likewise see people referring to leaks from the tank. We haven't experienced anything unusual in our tests of this model. And we should note that a smattering of the one-star reviews mention leak problems common to nearly humidifiers we've evaluated.
Finally, information technology bears repeating that although we're big fans of smart-home integration, nosotros were initially skeptical of a Wi-Fi–connected humidifier. It just felt unnecessary. Even though we were surprised to find that the VeSync app genuinely made our life easier, we were notwithstanding frustrated by the fact that we had to download an app and create a new countersign to log in to a humidifier. There are plenty of user reviews complaining about the potential personal-data issues here, as well. The VeSync app (named for the parent visitor of Levoit) is designed to work with several other brands, such as Etekcity and Cosori, and it too serves as an online store and a customer service hub. The company's sprawling privacy practices cover products ranging from smart scales to human foot massagers, making them even more hard to parse, let alone verify. Suffice to say we were not pleased to learn that VeSync had automatically signed us upward to receive email marketing that we never explicitly agreed to. We were comforted to know that the visitor instituted a bug bounty plan in 2021, which allows security researchers to study bugs they detect for cash rewards. The program is still new, but we'll continue an eye on how the visitor reacts to submitted bugs. We've reached out to the visitor for additional clarity on a few other information-related questions, and we will update this guide when we have more information.
Also, information technology's really annoying that you have to remember the name "VeSync" when you lot're looking for the app on your phone, rather than the more obvious "Levoit." The seafoam-dark-green icon with a vague prototype of a house bisected with half an infinity symbol doesn't really scream "humidifier," either.
A reliable, low-maintenance option with warm mist: Levoit LV600HH Hybrid Ultrasonic Humidifier
Runner-upwardly
Nosotros've been recommending the Levoit LV600HH Hybrid Ultrasonic Humidifier since 2018, and we however think information technology'south a dandy option, especially for large spaces like a living room–dining room and uncommonly dry homes. Its accurate digital humidistat maintains the humidity at your desired level (although nosotros propose that y'all disregard the "motorcar" setting—more on that later on). Overall, the LV600HH is just like shooting fish in a barrel to alive with. It'south quiet and relatively simple to clean, and the lighted display can exist shut off and so it won't disrupt anyone's slumber. This is also the but model we recommend that has a warm-mist pick. Nosotros're kind of ambivalent nearly this feature for a number of reasons, just if it'due south something you want or need, then this Levoit is the mode to become. Our main caveats are the same ones nosotros have with about ultrasonic humidifiers: They can over-humidify your room or exit a misting of minerals on the piece of furniture (a common outcome with well water, and especially in the mountain states). And though the tank itself is easy to clean, the base unit has lots of nooks and crannies that brand it fussier to maintain than the Levoit Archetype 300S, our top option.
In our real-earth tests, the LV600HH has consistently placed at or well-nigh the top in overall humidification year after year. And dissimilar those on many other models nosotros've tested, the LV600HH humidistat really worked, tracking within five points of what the information loggers registered. That ways you tin manually set a target humidity, and the machine will turn itself on and off to keep the air at that level. The LV600HH does have an "motorcar" setting. But we learned the hard way not to allow the machine decide the best humidity level—having woken up more than than once in a literal fog of more than ninety% humidity. Though the LV600HH does come with a remote control, it doesn't apply an app like the Classic 300S does. Then you don't take as much control to fine-tune things, such as that inconsistent "auto" setting.
The LV600HH's 1½-gallon tank is similar to the tank on the Levoit Archetype 300S. And it can run for a long time between refills (the company claims a vague 10 to lx hours; we've gotten nigh 27 hours with the machine running continuously on medium, which is about what we expected). This chapters makes both Levoit models good options for very large rooms or overly dry out homes, such as those with forced air or wood heating in the winter. We also appreciate the fact that the tank can lie apartment while you're filling information technology (which, because it's 6 liters, tin accept a while) and that the tank's make full hole is piece of cake to hit from the faucet. The opening isn't as big as that on the Classic 300S, but it'southward still big plenty that yous tin can reach inside to do a thorough cleaning (you may, still, find information technology'due south a little uncomfortable to reach your arm within to scrub the corners of the rectangular tank).
Similar near ultrasonics, the LV600HH is too essentially quiet. Nosotros measured 38 decibels at 3 feet on low, medium, and high settings. Unlike with a lot of other models, however, with the LV600HH you tin shut off the vivid display at night by holding down the (otherwise useless) auto push button for a few seconds. This makes the LV600HH a peculiarly nice pick for a bedroom or a nursery, compared with machines nosotros've tried that have lights or screens that are always on (although an aggressive/curious toddler tin can still mess with the controls, fifty-fifty when the screen is off).
One downside specific to the Levoit LV600HH (beyond the drawbacks common to all ultrasonic humidifiers) is the complex h2o channel and chimney in the base unit. In that location are a number of tight nooks and crannies where gunk can accumulate. Cleaning them isn't difficult—a small brush really helps, along with a white-vinegar soak—but information technology'due south needlessly tricky. The cap to the tank is also slippery and difficult to open when wet (which information technology ever is when yous pull the tank off the machine to refill information technology). Using a towel to grip the cap helps, only that's an actress step; a toothier texture on its rim would eliminate the trouble.
Finally, there'due south the LV600HH'southward warm-mist function. This works fine. Only because warm mist is energy-intensive, involves hot parts that tin potentially scald, and doesn't actually humidify whatever meliorate than other methods, nosotros don't recommend using this function. If you consider it a must-have characteristic, though, the LV600HH is probably your best selection.
Basic, tranquillity, affordable: Levoit Classic 200 Ultrasonic Cool Mist Humidifier
Budget pick
If you lot desire an affordable, bones, tranquility, attractive humidifier, go for the Levoit Classic 200 Ultrasonic Cool Mist Humidifier. One of this model's master limitations is at that place's near no discernible departure betwixt its settings, other than the color on the LED indicator. That's in addition to the common ultrasonic tendency to over-humidify. All of that may exist fine if you feel you can live without a versatile, detailed humidistat.
Despite its uncomplicated features, the Levoit Archetype 200 provided some consistently powerful humidification—about a 13% humidity increase in the first 60 minutes, and an boilerplate increase of 24% over the course of four hours. Levoit claims the water in the tank can last up to twoscore hours on low or x hours on high. But similar most ultrasonic models, this model can over-humidify the room if it runs for too long. In our tests, it ultimately turned the bath into a clammy sauna, with an 84% relative humidity level that fabricated the porcelain glisten.
The Levoit Archetype 200's 4-liter tank is smaller than the tanks on our other Levoit picks, but the surprisingly big fill hole makes it easy to clean. The tank is rectangular, so it'south easy to fill and able to stand on its ain. Where nigh of the other models we tested have a screw cap to shut the tank, the Levoit Classic 200 has a 1-twist cap lined with a safety gasket. We institute this nerve-racking at starting time, but information technology worked well enough. However, at that place is a fake "lid" that rests loosely on acme of the cap, which is easy to forget about, and accidentally send crashing to the basis when you're trying to transport the tank; information technology's a mistake nosotros continue to make, even later living with this humidifier for a while. Luckily, the h2o doesn't spill when this happens, even if it is a fiddling jarring. This Levoit model also includes a tray for essential oils.
An energy-smart evaporative alternative with great circulation: Vornado EVDC300
Too great
If you want a humidifier with amend circulation that won't over-humidify the room, or y'all simply want something that uses even less free energy than our ultrasonic recommendations, the Vornado EVDC300 is a reliable selection. Unlike our other picks, the EVDC300 is an evaporative humidifier, which means information technology uses a replaceable wick or filter and pushes the freshly dampened air out through a fan. Though this does mean it's slightly louder than our ultrasonic picks, the sound is not unpleasant; nosotros think it's a fair merchandise-off to end up with a more-fifty-fifty distribution of humidity throughout the room. Vornado has a well-deserved reputation for air apportionment—nosotros likewise recommend a number of its room fans and space heaters—and the EVDC300 is no exception. This detail humidifier too has a DC motor, which makes it more energy-efficient in general. It also has a dedicated "Free energy Smart" style, which uses every bit lilliputian equally 1 watt of energy, instead of the 8 to ix watts it ordinarily pulls. Otherwise, the EVDC300 is nearly identical to 1 of our previous Vornado picks, the EV100. And if anything goes wrong, the EVDC300 is backed past an impressive five-year warranty (the motor itself is guaranteed for 10 years).
The EVDC300 has a simple capacitive-bear on control panel on top of the unit, with five buttons that let you control the power, "Energy Smart" mode, and fan speed (LO, HI, or HH, which confusingly stands for "turbo"). And they accommodate your target humidification level up and down. The EVDC300 smartly limits this target range to 40% to 60%. In that location's also a continuous-functioning setting (displayed as "CO"), which slows the charge per unit of humidification as it approaches 60% just never shuts the machine off entirely. In our tests, we were genuinely impressed by the EVDC300's ability to consistently hold the line within about 2% of its target; fifty-fifty after four hours on the CO setting, it even so rarely let the room get to a higher place 60% relative humidity, which is most as boiling as you should e'er want information technology.
In our tests, the EVDC300 managed to heighten the relative humidity in the room by virtually 10% in the first half-hour, and then gradually another 10% over the side by side hour. Although this might make the machine audio a lot less powerful than our summit pick, the ultrasonic Levoit Classic 300S, that's not entirely the example. As an evaporative humidifier, the EVDC300 is designed to automatically self-regulate to prevent itself from over-humidifying the room. This means it volition ho-hum down the rate of humidification as it senses the room approaching a relative humidity of 60%, and that'south exactly what information technology did in our tests. This actually makes your life easier because you don't take to worry about whatsoever mold or mildew starting to fester in the dankest corners of the room.
The EVDC300 too had the most consistent humidity readings across the room, cheers to the Vornado fan's singled-out air-circulation ability. Although most of our test data was based on readings from nearly 4 feet away from the humidifier, we also kept a 2d monitor in the corner of the room (about 8 feet away, in the reverse management) to see how well the humidity was dispersed. Unlike every other model we tested (which usually had a discrepancy of almost 5% to 10% relative humidity betwixt the ii readings, every bit we expected), the EVDC300 kept the whole room within a few pct points of the same humidity level at all times. The EVDC300 also fabricated the room feel more pleasant overall, with a gentle, constant waft of freshly humidified air.
However, that impressive Vornado fan also means the EVDC300 is louder than our other picks, which are all well-nigh silent ultrasonic models. Information technology sounds slightly different than other evaporative humidifiers we've tested, likewise, emitting a slightly more than high-pitched sound with a slight hissing, gurgling, or bubbling underneath the whir of blades. Basically, it sounds like a small room fan with h2o underneath information technology, which, to be fair, it is. Nosotros personally discover that kind of white noise tolerable, even pleasant, and information technology easily blends into the background. We measured the EVDC300 at about 51 decibels on its everyman fan setting; this is 9 decibels quieter than what's considered "average" chat tone. The noise is slightly more pronounced on the college settings, only even then, it measured merely 55 decibels. Only if you're accustomed to ultrasonics, or even the more than "normal" sound of other evaporative models, you may be a footling startled when you first turn on the EVDC300.
The EVDC300 has a i-gallon tank that lies flat in the sink while you make full it. Although this is smaller than our top selection's tank, which has a ane.five-gallon capacity, we think information technology should still exist enough to get you through most of a day before you lot have to refill. The tank also has a user-friendly carrying handle on top that makes it easy to ship. Instead of a screw top, yet, it uses a rubber gasket that locks into place with one twist. The tank is also cylindrical, with an opening that spans the whole circumference. And then it's easier to reach in and clean information technology than tanks on almost whatsoever other model we've tested, except for the Carepod. It doesn't fifty-fifty have any awkward corners or cut-outs to scrub around; it's literally merely a tube. That also means the tank is pretty alpine; this could get in difficult to fill up all the way in a shallow sink, like you'd find in a bath. Too, the tank is not shatterproof. We learned this the hard fashion when a h2o-loving toddler pushed it off the kitchen counter when it was full.
If anything does go wrong, the unit of measurement every bit a whole is supported by Vornado's impressive 5-yr warranty; the motor itself is guaranteed for a whopping 10 years. By comparison, all of our other picks take only a ane-yr warranty. You'll notwithstanding need to periodically supersede the wicking filter. But the EVDC300 has a subscription option, which can save you coin and deliver the replacements right to your door. And then you actually replace them when you're supposed to. (These wicks require some additional cleaning maintenance between replacements, as well.)
We have one other complaint. The base of operations holds about an inch of water all the way around, much of which is hidden underneath the fan and other electronics. Information technology likewise has ii notches on either end that seem like convenient conveying grooves, which deceive you into thinking you tin comport the base across your home without spilling water all over yourself. Spoiler alert: Yous cannot.
Upgrade selection: Venta LW25 Airwasher
Too smashing
The Venta LW25 Airwasher performed extremely well in our tests, and it's impressively free energy-efficient. But the LW25'south high price is worth information technology only if yous're willing to pay a lot more up-front for lower power consumption and less-frequent refills and cleanings. Your typical humidifier requires a thorough cleaning (wiping downwards all surfaces and descaling with vinegar) at to the lowest degree once a week. Just for the LW25, Venta recommends just rinsing the wet parts every ten to 14 days and using a proprietary antimicrobial condiment to keep the funk downward. (A two-week supply, iii½ ounces, is included with the LW25, and the replacement bottle holds 35 ounces, so it's good for over iv months of utilize. These replacement bottles will run yous nigh $35.)
The Venta LW25 is basically a compact cube, about eight½ pounds and a little more than than a human foot in each direction. It works past drawing air over a gear up of slowly rotating disks. Information technology draws just 7 watts on high (about one-sixth the wattage of a typical evaporative humidifier), yet it'due south extremely effective at humidifying, consistently performing at the top in our real-world tests. Despite the automobile's farthermost efficiency and big, 2-gallon tank, Venta still recommends that you top it off every twenty-four hour period to maintain maximum humidifying efficiency—it works all-time when total.
We were non impressed with its "air washing" abilities. To examination whether this machine was comparable to an bodily air purifier, we used a laboratory-quality bench-top optical particle counter that measured particles in the 0.5- to twenty-micron range; we measured airborne-particle concentrations before and after three hours of testing. Groundwork particle concentrations ranged from 65 to 200 particles per cubic centimeter. At the stop of the testing period, the Venta lowered the particle concentration from a starting concentration of 180 particles per cubic centimeter to a last concentration of nine. This sounds impressive until y'all consider that our former meridian pick, the Honeywell HCM-350 (which made no claims of air purification) got the number down to fourteen in a similar exam. For reference, a HEPA-certified air purifier would bring the number down to virtually zero in less than half an hr.
What well-nigh warm-mist humidifiers?
Warm-mist humidifiers piece of work by heating water until it turns to steam. And that means these models accept the potential to crusade burns—from the hot water and steam and from the heating chemical element. Considering of that adventure, the Mayo Clinic recommends against using them in homes with children.
When it comes to humidifying the air, warm-mist humidifiers are no better or worse than evaporatives or ultrasonics. But they do utilize a lot more energy. On the other paw, warm-mist humidifiers slightly oestrus a room, so you could perchance turn down the thermostat a pinch. The other humidifier types produce a very slight cooling of the room's air, which you'll need to heat again (via a furnace or other heating system).
But do warm-mist humidifiers actually offset their free energy costs by lowering your heating bill? John Holecek did a adding in 2015, and the answer was no. Assume the humidifier sees three years of use (for six months each year) and dispenses 4 liters of h2o per twenty-four hour period of use. Presume the dwelling house is heated with natural gas. For free energy costs, Holecek used his local California rates at the time of eighteen¢ per kWh for electricity and $1.xx per therm for gas. The efficiency of both the electric humidifier (range of 65% to fourscore%) and the gas furnace (range of 78% to 97%) was set at eighty%.
Past figuring out the energy needed to heat the water from room temperature to near boiling (334 joules) and adding the extra energy needed to vaporize it (2,260 joules), nosotros know the full free energy (ii,594 joules) needed per gram of water. Using (and converting) these assumptions, if you heated that h2o with the humidifier, you would spend a whopping $355 in electricity, versus merely $81 in natural gas, to supply the same amount of heat to your air. Clammy air can feel bad in the winter, and we understand the appeal of warm-mist humidifiers. But producing rut this manner doesn't end up beingness a good bargain.
What about air washers?
For air washers, which claim to remove particles from the air, we measured airborne-particle concentrations at the first of the test and after three hours of running the machines, using a laboratory-quality benchtop optical particle counter that measured particles in the 0.five- to twenty-micron range. Background particle concentrations ranged from 65 to 200 particles per cubic centimeter.
Subsequently running the Venta and the Winix air washers confronting our former top option, the Honeywell HCM-350 evaporative humidifier, we saw the particle concentrations drop for the Venta and the Honeywell but actually rise for the Winix.
The Venta lowered the particle concentration from a starting concentration of 180 particles/cm³ to a last 9 particles/cm³. That'south not nearly every bit good every bit the results from the air purifiers we tested for our best air purifier guide, but it's still an order-of-magnitude reduction. Past comparison, the Honeywell—which isn't marketed every bit an air washer only still pushes air through a moisture filter—saw the particle concentration modify, from 65 to 14 particles per cubic centimeter.
The Winix air washer, past contrast, didn't reduce particle counts at all: The counts started at 70 and climbed to 150 particles/cm³ after three hours.
In summary, our accept is that air washers and humidifiers can remove some larger particles (0.five to twenty microns) like pollen and dust mites, merely not nigh as well as a dedicated air purifier.
What about putting a pot of h2o on a radiator?
In researching humidification options that don't require tons of time and attention to maintain, we came beyond a common DIY suggestion for those who live with steam radiators: But put a pot of water on it. The idea beingness that the h2o will oestrus upwardly every bit the radiator runs, gently steaming the pot and producing humidity without the demand for all the care and maintenance of an actual humidifier.
To exam this, 1 of our writers—who typically dreads turning on the annoying and capricious radiator in his Brooklyn flat in the winter—tried out the method for a few weeks in February and March of 2021. Using the same Lascar information loggers, nosotros tracked the humidity changes over time and compared the fluctuations to the functioning of our budget pick and to the alternative option of doing nothing at all.
The results were mixed. Using the pot was marginally amend than doing nothing, raising the relative humidity by most 5% when it was on the radiator. But that humidification rate was easily eclipsed by our budget pick on its lowest setting, which increased the humidification by double digits. The pot likewise had the downside of working only at the whims of the radiator's heating cycle (which, in our tester's instance, didn't really boot on until 9 or 10 p.m. each dark).
We likewise tried adding multiple pots to the radiator, also as a shallow baking pan, hoping that the larger area would lead to more evaporated water in the air, but nosotros saw no divergence in performance.
Only if you're desperate and you happen to alive in a building that still uses heating engineering from the 1800s, a pot on the radiator will brand your air slightly less arid than a desert cakewalk. Yous tin reportedly achieve similar results with a crockpot likewise, although the comedian John Hodgman recommends confronting this. We're going to take his give-and-take for it.
The health risks of a dirty humidifier—and how to avert them
Caring for a humidifier isn't simply nigh keeping the air smelling fresh—or even almost full general home cleanliness. Information technology's also about health. Left uncleaned, humidifiers can quickly become breeding grounds for numerous species of leaner, amoebas, and fungi that trigger allergies, depression-form fevers, and, in the worst cases, a unsafe inflammation of the lungs called hypersensitivity pneumonitis. This happens so oftentimes that information technology fifty-fifty has a nickname: humidifier lung. This condition is insidious and comes on sneakily, like a bad chest cold. Information technology's even happened to a few Wirecutter staffers, so we can adjure that it's non pleasant.
Wirecutter's Tim Barribeau shared his firsthand experience:
We were bad humidifier parents, and definitely weren't cleaning the thing out as often as we were meant to—sometimes more than a calendar week or two between cleaning. And even worse, I'thou pretty sure on more than than i occasion water simply saturday within it for days at a time. Just one dry night in wintertime, we turned on our adorable penguin-shaped humidifier. And the next morning, both my now-wife-then-girlfriend and I woke upwardly feeling like nosotros were dying. We both had incredibly tight chests, where we couldn't get in plenty air to breathe properly, accompanied by constant coughing fits and tunnel vision. We assumed we'd both come up down with some sort of weird chest cold and tried to ride it out for a couple of days—and kept using the humidifier the entire time. Thankfully, I'grand married to a doctor, and she started researching and figured out we had humidifier lung. Nosotros got that matter out of the bedroom, I cleaned it, and nosotros cleared up pretty quickly. But we both idea we had defenseless something pretty serious before she figured it out.
Regardless of which type of humidifier you take, yous must clean it regularly to prevent funky stuff from growing in the reservoir and other parts of your machine. The EPA suggests (PDF) cleaning and disinfecting portable humidifiers every third day; almost manufacturers recommend about once a week. A bacteriostatic treatment such every bit Essick Air or an antimicrobial cleaning cartridge like the fish-shaped Protec tin also assist to discourage nasty things from growing. Only these should notwithstanding be used in conjunction with a regular cleaning.
Typically, water and elbow grease will exercise the job, only you may need to use distilled white vinegar every and then often to remove mineral deposits (limescale). After washing the humidifier, rinse all plastic surfaces with a cleaning solution. To disinfect the tank, you can make a diluted bleach solution. We'd offer a specific ratio, but it's best to repeat the CDC guidelines to follow the production'due south instructions, since different bleach products have different concentrations. Then wipe to dry. Filling your humidifier with distilled or demineralized water instead of tap h2o will assistance reduce the amount of mineral deposits that go left behind. Just you'll still have to clean it either way.
Practise not employ cleaners or bleach on the wick of an evaporative humidifier, since doing so can impairment the material and compromise any built-in antimicrobial treatments. Instead, soak the wick in cold water for 20 minutes and gently swish it dorsum and forth to release (oft brown, slimy) minerals that have congenital up. To avoid mold growth on the filter when you turn off your humidifier for more than a day, pull out the filter and let it dry, or leave it in and allow the fan to run with no water until the filter is dry out. (This takes about an hour with the Vornado EVDC300 and causes the machine no damage.) Simply y'all can't clean the same wick forever. Y'all'll demand to replace it every half dozen months, at a minimum.
Fifty-fifty though ultrasonic humidifiers do non have wicks, many of them take some kind of demineralization cartridge, felt pad, or other handling that you lot need to replace every so oftentimes.
Despite its being an evaporative model, the Venta LW25 has a different maintenance schedule. Because y'all treat the water with an antimicrobial, anti-scale additive, Venta recommends simply a simple rinse of the tank, and rotating the wick every x to 14 days, too as a deep clean every six months using Venta's cleaner.
The competition
The Carepod One is a sleek, simple, and effective ultrasonic that's also easier to clean than any other humidifier we've ever tested. On the exterior, it looks kind of like if Apple had designed an ice bucket. But the tank and lid inside of information technology are both made entirely from stainless steel, and the fact that you can sanitize it with nothing merely humid water already sets information technology above the residual of the pack. In fact, we had planned to brand information technology an upgrade pick—until it failed after just a few weeks of regular use. The only plastic role of the Carepod is a wand that houses the ultrasonic diaphragm. In our tests, even so, the plastic cracked, presumably from the stress of the ultrasonic vibrations. We contacted the company, and information technology provided prompt and helpful customer service and sent us a new model—which concluded upward having the verbal aforementioned trouble. The company has since started offer a two-year extended warranty on the oscillation wand for anyone who has the aforementioned problem we did. We've been impressed by the company'south commitment to customer service, and look forward to considering any new designs they innovate.
The Honeywell HCM-350 Germ Gratis Cool Mist Humidifier was our height pick from 2015–21, largely because of its simplicity. The base is dishwasher-rubber, in that location are no brilliant lights or beeping sounds to keep you up at night, and several Wirecutter staffers have used it long enough to attest to its durability. But nosotros started hearing more than and more complaints from readers who had trouble cleaning the non-dishwasher-rubber parts or who were otherwise disappointed with this model. Its availability has also become increasingly scarce. This is still a pretty great, uncomplicated evaporative humidifier if you tin find information technology, but nosotros recollect most readers volition exist meliorate served with one of our ultrasonic picks or the EVDC300.
The Honeywell HUL430 Cool Mist Humidifier is a straightforward ultrasonic humidifier with a streamlined, stylish expect. It works at least every bit well as our other ultrasonic picks, too. But the cleaning process was a little more frustrating. The fill hole on the 1.2-gallon tank is surprisingly small, which means that people with larger hands might have a harder fourth dimension getting them in there to scrub. At that place'due south besides i narrow cylinder/pipe within the cylindrical tank that can be difficult to maneuver around, and some parts of the HUL430 are not dishwasher-prophylactic. Also, it can be tricky to reinsert the tank once you've cleaned and refilled information technology; it fits in simply 1 manner, and as with a USB cable, you're spring to fail on the first try every fourth dimension. Finally, although we appreciated the simplicity of the unmarried analog dial command on the HUL430, it didn't have whatsoever fail-safes (which the Levoit Classic 300S or LV600HH did) that could assistance prevent information technology from over-humidifying the room.
We too used to recommend the Honeywell HEV685W, which has 2 tanks that together tin carry three gallons of water at a time. Subsequently comparing this to the iv-gallon Vornado Evap40 in 2021, nosotros ultimately decided not to recommend either oversized humidifier, merely considering they're so far across the scope of our testing and what we think our readers are looking for. If you practise need a humidifier to make full an extra-large space, though, either one of them would still exist a good choice.
Although the Dyson–PH01 Pure Humidify + Cool is both a humidifier and an air purifier, for this guide nosotros subjected it to our humidifier testing merely. And in that regard, it did perform pretty well, with a very consistent build of humidity in the room that settled just above 60%; combined with the air-purifying feature, it left the whole room feeling nicer overall. However, we however call back the whole thing is overkill. You lot can become amend humidification, plus an air purifier that performs better than any of the other Dyson models we've tested, for much, much less coin. Even the PH01's elaborate built-in UV cleaning system—though impressive!—is utterly excessive, with some annoying automation that saps the value of its ain convenience.
The Vornado UH100 has the aforementioned cylindrical gallon tank, rubber-gasket cap, and humidification controls as its evaporative counterpart. It'south but as good at keeping the humidity level consistent, too—which is even more than impressive, given the tendency of ultrasonic models to transform a room into a dank wall of fog. Nonetheless, that fan sound we didn't mind on the EVDC300 makes the UH100 stick out amongst the other ultrasonic models we tested, all of which are essentially silent. Sure, the air apportionment is great. But that quiet performance is a major entreatment of ultrasonic humidifiers; otherwise, you may as well stick with the evaporative version. (It also gurgles loudly at random intervals, which doesn't assistance the sound issue.) The UV100 also comes with a replaceable mineral cartridge that'southward supposed to help reduce the fine white powder that some ultrasonics leave behind when using hard water. Unfortunately, the cartridge also held water in a style that made it even more than difficult to transport both the tank and the base without splashing h2o all over the flooring—and ourselves.
The Canopy humidifier has some of the sleekest, simplest packaging and design we've seen. It's clearly designed for people who don't want to think too much most their humidifier, and it has a lot of thoughtful details to aid with that, including a built-in UV low-cal, to discourage bacterial growth, and a proprietary tech, to keep the h2o moving and the air humidified (even when the unit is technically turned off). We idea this was a peculiarly great stand-out feature for anyone who lives in a more boiling place, where they might not need to leave their humidifier running all the time. Information technology's likewise the merely model we've seen that's powered by a USB-C cablevision, and the company was considerate plenty to include a cablevision with right-bending connections and so it's easier to keep it out of the mode. The whole thing is dishwasher-safe, too. Overall, it's a nice, elementary humidifier. Nonetheless, it can be hard to find the tiny push that controls the fan, especially in the dark. The opening on the 2½-liter tank (half the size of what nosotros typically recommend) is far besides small to fit a hand inside for whatsoever manual cleaning you might need to do. And the high-pitched fan can be a little grating when information technology gets going. This model performed well enough in our tests, but at that place was just no fashion to justify the toll tag (normally around $150). That's more than twice equally much as nearly of our other picks cost, for something that's louder and holds half as much water.
The SPT SU-9210 Digital Evaporative Humidifier had been our runner-upwards pick for years, with a reliably quiet evaporative performance that was comparable to the Honeywell HCM-350 (plus a nice digital display). Unfortunately, information technology's been hard to find since 2020. Information technology's nevertheless a great option, if you can find information technology anywhere.
Our onetime upkeep choice, the Levoit LV450CH, has been discontinued, likewise; it was nearly identical to our current upkeep pick, also from Levoit.
The Vicks V750 Warm Mist Humidifier used to be our budget pick. It still costs about the same as our discontinued budget option, the Levoit LV450CH. Only whereas the Levoit LV450CH feels affordable, the Vicks feels cheap in every sense of the give-and-take. On the plus side, it will proceed working fifty-fifty later on half the pieces snap in half during the cleaning process. On the minus side, we know from our nigh recent re-examination that half the pieces can easily snap in half during the cleaning process. Only get this if you're really into the minty freshness of Vicks VapoRub and cannot maybe fathom using essential oils in another (better) humidifier.
The Honeywell HCM-710 was the quietest evaporative model we tested on medium—and the absolute loudest on loftier. Worse, it sounds like someone's leaning over your shoulder from behind and gurgling h2o in your ear. Functionally, the HCM-710 comprises niggling more than than a plastic casserole dish with a fan on top. Though there are marking lines for the water-fill limit, it'south really like shooting fish in a barrel to miss them and overfill. Honeywell was thoughtful enough to add together a fiddling drainage hole in the middle of the side to solve this trouble. Unfortunately, information technology was non thoughtful plenty to consider that the water would also splash out of that pigsty while you're carrying the tank dorsum to the humidifier, making it expect like yous simply peed your pants.
We don't think the Aircare EA1407 Valiant Evaporative Humidifier is right for nigh people, although it is interesting. The makers of this large, 5-gallon "whole-house" humidifier claim it tin manage up to 4,000 square feet of space, and the unit itself is a flooring-standing cubic machine that weighs nearly 30 pounds and measures well-nigh 2 anxiety on all sides.
Earlier tests
SPT'due south SU-4010 Dual Mist Humidifier used to be our pick for large-infinite ultrasonic humidifiers. It nonetheless works fine, but the Levoit LV600HH is superior in every respect, from operation to ease of cleaning to the user interface.
The TaoTronics TT-AH002 Ultrasonic Humidifier is an Amazon best-seller. But in our tests information technology was a weak performer—mustering just a 5% increase in humidity on medium. And it has a terrible design, with a small, tippy, difficult-to-make clean tank.
The Honeywell HEV620B Absurd Moisture Tower Humidifier, an evaporative model, has a unique tower-style design, and it performed extremely well in our tests, humidifying the air apace and belongings the humidity steady, thank you to its accurate humidistat. We besides similar its giant, i.vii-gallon tank, which is good for more than than 24 hours of functioning nether most circumstances. The tower way does make information technology visually conspicuous, withal, and you lot can fill the tall tank but under a tub or kitchen faucet, not at well-nigh bathroom sinks.
The Pure Enrichment Ultrasonic Absurd-Mist Humidifier seems popular, just the authenticity of many of its reviews is questionable. And its tiny, 1½-liter tank renders it useless for all but the smallest spaces—perhaps 125 square feet, a 10-by-12 room. Its (seemingly authentic) negative reviews focus on two other disqualifying factors: It tips over easily, and when it tips, the tank has a tendency to break.
Stadler Form's Fred steam model is either a sleek and modern humidifier or an ugly conflicting saucer/mini charcoal grill. It has a 2-gallon reservoir that's good for running all day on loftier. The controls are simple to use, though quite small-scale. When you're assembling the machine, your hand gets pinched while installing the reservoir, and the lid is slightly difficult to marshal. The vent gets very hot during operation and points toward the back, and then you can't put the car close to a wall. We cannot recommend it, even if you love its looks.
The Prophylactic 1st Ultrasonic 360° Humidifier is budget-friendly, but its drawbacks go along information technology from being a option. It'southward limited by a tiny, 0.viii-gallon reservoir that will demand frequent refilling. Its reservoir consists of two pieces and has a small opening (making information technology hard to clean), and a long list of possessor reviews mutter about leaking and other problems.
The SPT SU-3600 Digital Ultrasonic Humidifier with Humidistat is compact and effective, just our examination unit had a wildly inaccurate humidistat, which read 33% for the duration of a run designed to test its power to agree the humidity constant at 65%. And instead of holding steady there, it pumped up the humidity to a muggy 77% and soaked the flooring.
The Optimus U-31001 Cool Mist Ultrasonic Humidifier is a well-reviewed, bare-basic ultrasonic model with a simple dial control and a stiff, 2-gallons-per-day output. We establish the output rate high but extremely variable, at 1.0 to 2.1 gallons per solar day (both on the high setting).
Dyson'southward AM10 is a uniquely shaped ultrasonic humidifier that builds on the company's earlier fan models. Nosotros wondered what you would go for spending as much as possible on a humidifier; the biggest departure between a basic ultrasonic model and this one, which costs much more than, is that the AM10 has a powerful fan to force the water droplets out through its oval opening. Nosotros found it solidly synthetic and attractively designed, and, well, different—though not necessarily in a skilful way. For instance, you have to remove the oval portion before accessing the water reservoir. That's an extra step. The tank's fill hole is quite small, about the size of a quarter, making the tank more difficult to fill and the knob harder to turn to seal information technology. You can control the unit only via the remote, and the display is quite small and dimly lit. The AM10 performed well, ranking offset on power to hold relative humidity at a prepare point (average ane.4% RH over the set point, and 0.8% RH standard deviation) and 3rd on humidity modify (25.5% RH). Dyson definitely makes a statement with its design, but it fails to deliver value.
The Vornado Evap3 Evaporative Humidifier is a very attractive model. Information technology aced our humidity-agree examination, reaching the steadiest value amongst evaporative models, 3.6% over the set indicate and 1.0% standard deviation. It has a large, 1.5-gallon tank and a high output of two.7 gallons per day. It uses two wicking filters that terminal for iv to viii weeks earlier they demand to be replaced, at a toll of $12. Unfortunately, it was a little loud on loftier, and we found the fill up cap really hard to turn.
The promising Vornado Evap2 Evaporative Humidifier, the fiddling version of the Evap3, uses a single wicking filter. It besides performed well on our humidity-agree test, coming in 2d among evaporative models. Just it was also loud (59 decibels), and inserting the reservoir was likewise awkward. Adjustment the base was too tricky for us, every bit it had to come up in at an bending, and we establish ourselves struggling each time we refilled.
Source: https://www.nytimes.com/wirecutter/reviews/the-best-humidifier/
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