11 Best Warm Mist Humidifier Reviews 2018-2019: Top Rated Ultrasonic Humidifiers and Warm Steam Vaporizers for the Money

best warm mist humidifier 2019

Personal humidifiers add moisture to the air in your home. Proper humidity helps maintain better skin condition, make it easier to breathe, mitigate allergy symptoms and much more!

Warm mist humidifiers are a particular kind of humidifier that use hot water, steam or vapor to add moisture to the air. This kind of humidifier is particularly effective in cooler climates, and many people prefer it over cool mist when dealing with colds, the flu, allergies and so forth.

Our mission with this reviews and comparison guide is to help you determine which is the best warm mist humidifier on the market for you. We also strove to answer all of the questions common to first-time buyers.

Top Rated Warm Mist Humidifiers Comparison Chart 2018-2019

Have a look at the top rated 11 best warm mist humidifiers to enhance the level of humidity in the atmosphere.

HumidifiersTypeHumidity levelSystemPrice
Elechomes Warm Mist
(Editor’s Choice)
Warm + Cool Mist (Both)40 - 80%UltrasonicCheck Price
BONECO 7135 Warm Mist
(Best Value)
Warm + Cool Mist (Both)3.5 gallons / 24 hoursUltrasonicCheck Price
Optimus U-32010 Warm MistWarm Mist only3.0 gallons / 24 hoursWicking Vapor SystemCheck Price
Vicks Warm Mist
(Budget Pick)
Warm Mist only40 - 60%Steam HumidifierCheck Price
Honeywell HWM705BWarm Mist only40 - 60%Steam HumidifierCheck Price
Crane USA Warm MistWarm Mist only3.6 gallons / 24 hoursSteam HumidifierCheck Price
Optimus U-32000 Warm MistWarm Mist only2.5 gallons / 24 hoursWicking Vapor SystemCheck Price
Perfect Aire Warm MistWarm Mist only1.0 gallon / 24 hoursUltrasonicCheck Price
Honeywell HWM-340BWarm Mist only1.3 gallons / 24 hoursSteam HumidifierCheck Price
Sunbeam Warm Steam VaporizerWarm Mist only1.03 gallon / 24 hoursSteam HumidifierCheck Price
Crane USA Classic Warm MistWarm Mist only1 gallon / 24 hoursSteam HumidifierCheck Price

Best Warm Mist Humidifier Reviews – (Top Picks)

1. Best Warm Mist Humidfier Overall: Elechomes Warm Mist Ultrasonic Humidifier with Filter

This sleek model from Elechomes is our choice as the best warm mist humidifier of 2018 – 2019!

Many humidifiers look like a humidifier—something that you prefer out of sight. But this Elechomes 3-in-1 warm mist humidifier is attractive and can blend in nicely with just about any modern decor.

It has a six-liter tank, which provides up to 12 hours of function each day. The tank is detachable, so you can fill it elsewhere and return it to the machine. The handle is a bit on the small side, and we’d prefer something a bit sturdier for larger hands when carrying a full tank.

The blue-on-black LED digital display is lovely and easy to read whether a room is well-lit or dark. The touch controls are accessible, and the model even has a remote so that you can adjust it from afar.

Elechomes promises whisper-quiet operation, and it delivers for the most part. Except that when the electrical relay switch kicked in, it was a bit too noisy for our liking when watching television.

Overall, this is a superb ultrasonic warm mist humidifier that we’re excited to recommend.

What We Liked
  • 6-liter capacity
  • LED touch control
  • 3 levels of warm mist
  • Aromatherapy basket
What We Disliked
  • Small tank handle
  • Not as quiet as promised

Click here to see the price of the Elechomes Humidifier on Amazon.

2. Best Overall Runner-Up: BONECO 7135 Warm Mist Ultrasonic Humidifier

BONECO designs excellent humidifiers, and the 7135 model in particular was arguably our favorite warm mist humidifier all things being equal. But all things were not equal.

Another potential issue is the visual design. The BONECO 7135 looks like a humidifier. That may not be an issue in a bedroom, but in a central living area, a design with a little more style is always preferred.

If you overlook these complaints, then this ultrasonic humidifier model is quite effective and dependable. It has a large 3.5-gallon tank that lets you moisturize the air in an area as large as 650 square feet.

It also delivers on the whisper-quiet operation promised in the marketing. Our team never noticed periods of noisiness when a switch or some other component kicked in as we did with some models.

The digital display and easily accessed buttons are another aspect that make this the best warm mist humidifier. It provides you an accurate reading of the relative humidity in the area, and the machine can enable and disable the warm mist as needed in order to maintain a desired level.

What We Liked
  • 3.5-gallon capacity
  • Digital display
  • Programmable hygrostat
  • Whisper-quiet operation
What We Disliked
  • Pricey
  • Aesthetics

Click here to see the price of the BONECO 7135 Warm Mist Ultrasonic Humidifier on Amazon.

3. Best Wicking Vapor Humidifier: Optimus U-32010 Warm Mist Humidifier

The U-32010 warm mist vaporizer from Optimus is the first non-ultrasonic humidifier model on our list. It uses a patented wicking vapor system, which works quite well but obviously cannot achieve cool mist as well.

Which is the easiest humidifier to clean? This would have to be our top choice. We really like the tank design overall. The ease at which you can remove, clean, fill and reattach it is quite nice. A larger tank would be preferable, but it isn’t a deal-breaker since you can still get about 12 hours of operation out of it.

While we wouldn’t call this warm mist humidifier whisper quiet, it is quiet enough for use in the bedroom when sleeping or in the living room when watching television or listening to music.

Another nice touch that makes this an excellent humidifier with warm mist are indicator lights for when a refill is required or the filter must be replaced. It is worth noting that while we didn’t experience this firsthand, many people online complain that replacement filters can be a little hard to come by.

What We Liked
  • Easy to clean
  • Quiet operation
  • Variable humidistat
  • Refill indicator light
What We Disliked
  • Tank size a bit too small
  • Replacement filters and other parts

Click here to see the price of the Optimus U-32010 Warm Mist Humidifier on Amazon.

4. Best Warm Mist Humidifier on a Budget: Vicks Warm Mist Humidifier Review

There is a lot to like about this small and relatively inexpensive warm mist humidifier from Vicks. It really does provide tremendous value. It is among the best warm mist humidifiers for babies. It is also among the best warm mist humidifiers for allergies or when you are under the weather with a flu or whatever.

The cost may be subsidized to some degree in that the Vicks warm mist humidifier works with the Vicks VapoSteam treatment. While we’re a fan of this medicine when we’re not feeling particularly well, be mindful that using it is completely optional, and the humidifier works just fine without it.

As many of the Vicks warm mist humidifier reviews online have pointed out, the biggest issue with this vaporizer is that it has no humidistat or hygrostat control. If you intend to use the Vicks warm mist humidifier all the time, then you may want to buy a Vicks humidity monitor, which will up your price.

What We Liked
  • 95% bacteria free
  • No filter required
  • Whisper-quiet operation
  • Optional Vicks VapoSteam
What We Disliked
  • Small tank
  • No built-in humidity controls

Click here to see the price of the Vicks Warm Mist Humidifier on Amazon.

5. Best Budget Option Runner-Up: Honeywell HWM705B Warm Moisture Humidifier

The Honeywell HWM705B filter-free warm mist humidifier is an excellent alternative to the Vicks humidifier in terms of cost but also in regard to the built-in medicine cup. You can use treatments from Vicks or generic brands and get the same kind of relief when dealing with allergies or a cold.

The Honeywell warm mist humidifier does tend to be a bit pricier than the Vicks model, but the difference in sound is the real reason we choose that humidifier over this one. This machine produces a bubbling sound that may provide bothersome to some people particularly at night.

If bubbling sounds aren’t a deal-breaker, then we really like this as a best warm mist humidifier for a small room or a medium-sized room. It can even run for up to 24 hours without refilling, but the two higher settings will require you to refill more often. An onboard light provides a helpful reminder.

What We Liked
  • No filter
  • Refill light
  • Medicine cup
  • Up to 24 hours on low setting
What We Disliked
  • Bubbling sounds
  • No built-in humidity controls

Click here to see the price of the Honeywell HWM705B Filter Free Warm Moisture Humidifier on Amazon.

6. Crane USA Warm Mist Humidifier

Crane warm mist humidifiers are among the best on the market when it comes to performance and value for your dollar. The biggest issue with the Crane soothing warm mist humidifier is that it tends to experience a lot of buildup and isn’t necessarily easy to clean. It wasn’t just us. We noticed a lot of similar complaints online, and this issue is what bumped it down further on our list.

This is intended to be a compact unit, and so we won’t complaint about the smallish tank. It is rather easy to detach, carry, fill and reattach. No water filter is necessary, but we do think that having one or perhaps using distilled water will avoid some of the buildup issues that this model experiences.

A feature we really like is the antimicrobial material, which kills bacteria. This is a convenient feature for people who are away from the home for long periods. The Crane USA warm mist humidifier also has a dispenser that you can use for medicines, essential oils and so forth.

What We Liked
  • No filter
  • Antimicrobial agent
  • Tank easy to refill
  • Cup for medicine or oils
What We Disliked
  • Maintenance
  • Not easy to clean

Click here to see the price of the Crane USA Warm Mist Humidifier on Amazon.

7. Optimus U-32000 Warm Mist Humidifier

This is the second Optimus model that we considered during our warm mist humidifier reviews. One of our complaints with the other model was that the tank was a bit on the small size. The U-32000 exacerbates that problem with a 2.5-gallon tank—about half a gallon less.

On the other hand, it is cheaper than its bigger brother while still possessing many of the characteristics that put that model in the discussion for the best humidifier of 2018 and beyond.

The Optimus U-32000 is also very easy to clean. Optimus has designed the tank well overall, and you should have little problem detaching it, cleaning it out, refilling it and reattaching it. It can run longer on a full tank than the larger model, but that’s because it disperses less warm mist into the air.

Although not whisper-silent, it is quiet and suitable for bedroom use for most people. We’re also partial to refill indicators that let us know that a tank needs refilling from across the room.

What We Liked
  • Easy to clean
  • Quiet operation
  • Variable humidistat
  • Refill indicator light
What We Disliked
  • Tank size a bit too small
  • Replacement filters and other parts

Click here to see the price of the Optimus U-32000 Warm Mist Humidifier on Amazon.

8. Perfect Aire Warm Mist Ultrasonic Humidifier

Anyone seeking the best warm mist humidifier for a small room should consider the PAWM1 model from Perfect Aire. This is a compact unit ideal for bedside, small offices and so forth.

This is also a warm mist ultrasonic humidifier, which you would think means that it could also deliver cool mist, but it doesn’t. We didn’t detract points for that considering the focal point of this comparison guide, but in light of the value, we do think this is a feature that should be there.

That issue aside, this is a wonderful little machine that provides all of the warm mist humidifier benefits that you’d expect. It is very simple to clean and refill. It has an indicator light so that you know when water is required, and the humidifier will automatically shut itself off when no water remains as well.

A potential deal-breaker for some is that this model has a bright light on the knob that you cannot turn off or dim. It is particularly noticeable in a dark room even if you turn the light facing away from you.

What We Liked
  • Auto shut-off
  • Easy fill design
  • Waterless indicator
  • Quiet operation
What We Disliked
  • Bright light
  • No humidistat

Click here to see the price of the Perfect Aire Warm Mist Ultrasonic Humidifier on Amazon.

9. Honeywell HWM-340B Easy to Care Warm Mist Humidifier

The Easy to Care model from Honeywell may be the best warm mist humidifier for large rooms!

This is a superb warm air humidifier in many ways—including price—and we’d love to have it ranked much higher on our list. The reason we don’t is that the Easy to Care is anything but. After extended use, we not only had to use vinegar but get in there with a toothbrush to get all of the grime out.

Another issue with this warm humidifier is that there is no detachable tank and the unit isn’t convenient to move when filled. We’d recommended filling it with a pitcher or similar dispenser.

If you can overlook those issues, then this is a wonderful warm air humidifier overall. We love the aesthetics and overall design. It doesn’t look out of place in any room. It’s quiet enough for bedroom use. It has a cup for aromatherapy oils or vapor treatments. It has an automatic shut-off feature too.

What We Liked
  • Medicine cup
  • Auto shut-off
  • Refill light indicator
  • Up to 24 hours on low
What We Disliked
  • Cleaning access
  • Not easy to carry

Click here to see the price of the Honeywell HWM-340B on Amazon.

10. Sunbeam Warm Steam Vaporizer Humidifier

This warm steam vaporizer from Sunbeam is among the best warm mist humidifier for allergies. If you’re seeking a compact unit that you can use wherever you are when you need it, then this is a good option.

Another aspect that puts this product in the discussion for best steam vaporizer for the money. It’s cheap enough that it is still worth purchasing if you’ll only use it a few times a year.

We do have a couple of concerns that keep it from being higher on the list. One is that the product isn’t child-safe. Warm steam humidifiers are a risk around children in general, but this one is particularly hot.

Another issue is that whether this has a dedicated automatic shut-off mechanism is unclear. It is supposed to stop working when the water runs dry, and it did in our experience. However, there are a lot of warm mist humidifier reviews online complaining to the contrary, so we’d avoid unsupervised usage.

What We Liked
  • Compact
  • Easy to use
  • Great for allergies
  • Relatively inexpensive
What We Disliked
  • Not child-safe
  • Auto shut-off feature

Click here to see the price of the Sunbeam Warm Steam Vaporizer Humidifier on Amazon.

11. Crane USA Classic Warm Steam Vaporizer Humidifier

The last of our warm mist humidifier reviews is an alternative to the Sunbeam model.

This Crane hot steam humidifier is compact and simple to use. It is relatively inexpensive. It works well in small spaces, so we really liked it as a personal humidifier in the bedroom or office.

Compared to the Sunbeam model, it doesn’t produce nearly as much steam. That limits its usefulness beyond your personal area. On the plus side, it is much less of a burn risk, and we didn’t note any of the not shutting off or overheating issues that were associated with the Sunbeam model.

That said, the build quality is a bit suspect. It feels cheaply made. Many online warm humidifier reviews have complained of failure within the first couple of weeks—at least still during the easy return period. This is an inexpensive item, but so is the Sunbeam, which seems to perform better in this regard.

What We Liked
  • Compact
  • Easy to use
  • Great for allergies
  • Relatively inexpensive
What We Disliked
  • Build quality
  • Not enough steam

Click here to see the price of the Crane USA Classic Warm Steam Vaporizer Humidifier on Amazon.

How We Tested and Selected the Top Warm Mist Humidifiers

The sheer number of humidifiers on the market makes selecting the best warm mist humidifier of 2019 quite the challenge. Our aim was to test as many products as possible over an extended period.

Answering which is the best humidifier on the market involves a lot of sub-questions and personal preferences. Which is the easiest to clean or the best warm mist humidifier for small rooms is important to a lot of people and so we tried to put each warm mist humidifier review into context.

Our team also uses standalone hygrometers and other measuring equipment in order to ensure that these machines were accurate. In cases where a warm mist humidifier just offered a low, medium and high setting, for instance, we measured to determine what those settings actually meant in practical usage.

Who Should Use a Warm Mist Humidifier?

warm mist

Anyone can benefit from a warm mist humidifier.

In the colder months, humidity levels drop, and that lower humidity is exacerbated by heating your home. This can lead to dry skin, make it harder to breathe and generally make you uncomfortable.

Warm mist humidifier benefits include easier breathing, reduced allergy and asthma symptoms, cold and flu relief, smoother and softer skin and much more.

An ideal relative humidity will also make you feel warmer. That means that you won’t need the thermostat set quite as high and can actually save some money, which can offset this cost.

Important Factors to Consider When Buying the Best Warm Mist Humidifier

The biggest factor to consider when determining the best hot mist humidifier is your room size. If you want a humidifier for the family in a large living room, then pay attention to the best warm mist humidifiers for large rooms. Most humidifiers indicate the square footage up to which they are appropriate.

Ventilation is a consideration as well. If you’re using a warm mist humidifier in a highly ventilated area, then you will generally need a product rated for a higher square footage than the room in question.

Note the particular room and the usage as well. Many people use warm steam humidifiers in the bedroom. Depending on your sensitivity, noise level matters. It is also worth noting if a product has any LED lights that you cannot disable or at least dim.

Even the best warm mist humidifiers of 2018-2019 are inherently risky around children because they can burn you. Some products are more of a risk than others, so keep this in mind when choosing as well.

Note that many humidifiers either provide warm mist or cool mist. You also have the option of choosing a warm mist ultrasonic humidifier that can also switch to a cool mist mode. Warm mist is better for the cooler months, but it is nice to have the cool option for when the warm months arrive.

Vicks Warm Mist Humidifier – How to Use

(Video showing how to use your newly unboxed Vicks Warm Mist Humidifier)

Can a Humidifier Make You Sick? Risks and Side Effects for Health

best warm mist humidifier reviews and buying guide

Neither cool or warm mist humidifiers can make you sick unless improperly handled.

There are two primary concerns: over-moisturizing and contaminating the air.

Too much humidity is not ideal either and it can actually cause problems for people with asthma and breathing conditions. For the average person, the concern with over-moisturizing is about lessening indoor air quality because you create an optimal environment for mildew, mold and so forth. (source)

The best warm humidifier can still contaminate your air if it is dirty. This is why ease of cleaning and antimicrobial features are so important to use. Just be sure to clean your humidifier regularly and not to allow water to stagnate and you’ll be fine. (source)

Enjoy Your Top Pick of  Best Warm Mist Humidifier


Our hope is that we’ve answered all of your questions and pointed you in the right direction!

Be mindful that if you are seeking the best warm mist humidifier for a baby or a particular breathing disorder, then you should consult with a physician before deciding.

One final note: most ultrasonic best warm mist humidifiers can serve as both cool and warm mist humidifiers, and this is a nice option to have for when the weather gets warmer.

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