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11 Best Rated Warm Mist Humidifiers for Sinus Congestion

D o nasal congestion, chapped lips or asthma episodes sound familiar? If you are often struggling with these symptoms, the humidity level in your house may be too low. A warm mist humidifier uses water to produce warm vapors, thus increasing the thermal comfort in the place it is used.

Humidifiers for large rooms and warm mist systems are perfect for people suffering from allergies as they boil the water, preventing germs and mold spores to dissipate in the air through the mist. Furthermore, some models include special compartments that allow you to add aromas or medical inhalants for a more efficient treatment.

The aromatherapy some of these products lets you benefit from helps reduce stress levels and improve sleep quality. Something you likely didn’t know is that stress levels are related to indoor humidity. A 2020 study conducted on office workers in four different buildings with distinct humidity levels showed that working in an environment where humidity is within normal parameters helps reduce stress levels by up to 25%. Dry air conditions, on the other hand, were found to negatively affect stress levels the most. So, aside from helping with sinus congestion, keeping colds and flu at bay, the presence of a humidifier indoors during the dry months of the year even helps you manage stress better.

During those cold months when air humidity levels drop and you seek the soothing effect of a humidifier, a warm mist unit like the products reviewed here is what you need. Since the mist it releases feels warm, a cozier indoor environment is inevitably produced. So, if you want to enjoy thermal comfort while benefiting from proper humidity to keep stress and colds at bay, get yourself one of the following humidifiers and all of your problems will be solved.

If you’re looking for a solution to keep your baby from developing nasal congestion this winter, you should look into specialty humidifiers for baby room.

Top 11 Warm Mist Humidifiers Compared

Photo Product Area Coverage Tank Size Runtime Features Warranty Price

Best Overall
1. Aprilaire 800
6,200 sq. ft. Continuous 6 output levels, humidistat, indicator lights 5 years Check Price at Amazon

Best for Large Rooms
2. AIRCARE H12-400HB
3,700 sq. ft. 20.5L 45 hours Automatic shut-off, humidistat, moisture control, indicator lights 2 years Check Price at Amazon

Editor’s Choice
753 sq. ft. 6L 36 hours LED screen, humidity sensor 2 years Check Price at Amazon
4. PureGuardian H7550
600 sq. ft. 5L 90 hours Timer 3 years Check Price at Amazon

Best for the Money
5. Polardo HMP-01
485 sq. ft. 4L 24 hours Aroma box, automatic shut-off 1 year Check Price at Amazon
6. Everlasting Comfort Ultrasonic
400 sq. ft. 6L 50 hours Automatic shut-off 2 years Check Price at Amazon
7. Vicks V745
400 sq. ft. 3.8L 12 hours Medicine cup 1 year Check Price at Amazon
8. HoMedics UHE-WM85
425 sq. ft. 5.7L 65 hours Timer, nightlight 1 year Check Price at Amazon
9. Honeywell HWM705B
250 sq. ft. 3.8L 24 hours Refill light, automatic shut-off, medicine cup 3 years Check Price at Amazon
10. Crane EE-6902
500 sq. ft. 4.5L 24 hours Sensor-touch LC, 360-degree nozzle 1 year Check Price at Amazon
11. Sunbeam 1388-800-001N
200 sq. ft. 3.9L 28 hours Filter-free vaporizer 1 year Check Price at Amazon

If you need to ensure proper humidification for a large bedroom, take a look at our selection of humidifiers for large rooms. You will find quiet models that can ensure you the optimal comfort during the night.

1. Aprilaire 800

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  • Technology: Steam
  • Room coverage: 6,200 square feet
  • Tank capacity:
  • Maximum moisture output: 34.6 gallons per day
  • Mist levels: 6
  • Runtime: Continuous
  • Noise level: N/A
  • Auto shut-off:
  • Dimensions: 21” x 11” x 8”
  • Warranty: 5 years

This high output model has been designed with electrode technology which makes this one of the leaders in indoor air quality solutions. As the electrical current will flow between submerged electrodes, the resistance of the water will heat the water. Once the humidifier season ends, the electrodes are replaced. Hence, it requires minimal maintenance on your behalf as there’s no scrubbing or cleaning required.

Purified Water

Due to the included technology, the electrode will remove impurities from the water. Hence, you can hook it to your waterline. This minimizes operational costs and installation can be done by yourself. Its design features are:

  • Coverage – The humidifier can easily cover an area of 6,200 sq. ft.
  • Output Settings – Choose between the 6 levels of output to create optimal living conditions
  • Indicator Lights – Look out for the indicator lights as they let you know what needs maintenance

The adjustable output levels will adjust the moisture in the air between 11.5 to 34.6 gallons per day. Thus, you have full control over the living conditions in your home.

Features To Consider
  • Costs – If used approximately 30% of the day, every day, plugged-in 240-volt outlet, it costs around $50 per month
  • Assembled Dimensions – 21” (H) x 11” (W) x 8” (L)
Numerous Accessories Included

To prevent further investment, this unit comes with numerous accessories. In addition to this, you can also install the humidifier by yourself by using the accessories. Inside the package, you will find the following:

  • Automatic digital control with sensor
  • Outdoor temperature sensor
  • Dispersion tube
  • 6 ft. steam hose
  • 7/8” 10 ft. drain tubing

What stands out about this product is the fact that it can be set on automatic mode. This means that it will continuously monitor and respond to the outdoor temperature and the indoor relative humidity.

You will also find the hose clamps, saddle valve, mounting screws, and steam canister. Thus, you don’t have to invest further. Due to the automatic control, you aren’t required to manually control it. Nonetheless, you can set it up for manual control.

Aprilaire 800 Performance Ratings – Tester’s Feedback
  • Covers the promised size area: Score 10/10
  • Humidity level stabilization speed: Score 10/10
  • Ease of installation: Score 9.8/10
  • Ease of use: Score 10/10
We had to put our skills to the test a bit to install the Aprilaire 800, we must admit. But none of us are that experienced or the handy type either, so since it took two of us less than three hours to finish setting the humidifier up, you shouldn’t have any problems either. Just follow the instructions in the manual closely and you won’t have any problem. The digital control panel makes operating the humidifier as intuitive as possible, we had no trouble figuring out the setup whatsoever. When it comes to performance, we tested in a similarly sized area to the one recommended by the manufacturer. It did solve low moisture problems as promised throughout the whole house, so we had to give the Aprilaire the highest score for performance and coverage.

Lillian Davies

  • A whole house humidifier that you can count on to solve low moisture problems on all levels
  • Features special sensors that enable automatic operation, so perfect air moistness levels are upheld 24/7
  • Doesn’t need much in the way of maintenance, just seasonal replacement of the electrodes when the low humidity season passes
  • Installation is simple, can be performed by someone without experience just by closely following the provided instructions



A whole house humidity increasing solution that gives you a run for your money, with the Aprilaire system turned on through the dry season you are guaranteed to stay clear from colds and infections. If winters are especially dry, it’s best to go for this whole house solution than have to buy several portable units and move them around. It might be a bit costlier upfront, but in the long run, it ends up saving you money.

2. AIRCARE H12-400HB

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  • Technology: Evaporative
  • Room coverage: 3,700 square feet
  • Tank capacity: 20.5 liters
  • Maximum moisture output: 12 gallons per day
  • Mist levels: 4
  • Runtime: 45 hours
  • Noise level: 43 dB
  • Auto shut-off:
  • Dimensions: 24” x 13.5” x 22”
  • Warranty: 2 years

A whole-house unit just like the Aprilaire 800 we previously reviewed, with the added convenience that the Aircare model is a console-style product that you can relocate since it doesn’t have a fixed installation spot, it is an option worth considering if the space you want to use it for is 3,700 square feet large. The unit will produce enough moisture to protect your home, skin, and furniture. The dry air can also damage appliances. The contemporary style will fit in whatever décor you may have.

Analog Controls and Digital Readout

Even if you’ve never had such a product before, you will find it easy to not only install it but also adjust it according to your particular needs. Its design features are:

  • Daily Output – The unit will have an output of up to 12 gallons
  • Indicator Lights – Watch out for the lights as they will let you know when to refill it with water or to check the filters
  • Casters – Move the humidifier wherever you wish with minimal effort as it has casters
  • Dimensions – 13.75” (D) x 23.5” (H) x 21.75” (W)

As you may know, it will add water molecules to the air and help to increase the home’s heat retention. Studies show that it will help you save around 3% on your electricity bill.

Automatic Features

You don’t have to worry if you’ve never used such a product before. Numerous features are automatic which means that you can use it with minimal knowledge. Its functions are:

  • Humidistat – The adjustable humidistat will allow you to create your own optimal living conditions
  • Moisture Control – Usually, the humidity should be between 35% to 45%. You decide which percentage is best for your home
  • Automatic Shut-off – Once the tank runs out of the water, the unit will turn off to prevent damages

The 4 integrated speeds will allow you to choose settings that are particularly helpful for you. By using this product, you can also protect yourself against flu and allergies. Thus, this can be your helping hand for a healthier living space.

Pick a cool mist humidifier, if you have kids. These models don’t boil water, so there’s no heat source that can cause accidents.

  • Turns off automatically when the set humidity threshold is met or when the water tank is empty
  • Set it on the lowest speed at about 2 days will pass before the water bottle needs refilling
  • Perfect for attics, basements, and whole house use since it covers areas of up to 2,500 square feet
  • Refill indicator shows you exactly when the routine task is due to eliminate guesswork

  • Removing the water from the tank is an awkward operation
  • Gets fairly loud on the highest speed setting


If you seek a console-style alternative to the Aprilaire 800, this Aircare model is your go-to. You can move it from one space to another, and seeing how it’s suited for spaces of up to 2,500 square feet, you can even deal with low humidity in a larger area like the attic.


Check Price at Amazon

  • Technology: Ultrasonic
  • Room coverage: 753 square feet
  • Tank capacity: 6 liters
  • Maximum moisture output: 500 milliliters per hour
  • Mist levels: 3
  • Runtime: 36 hours
  • Noise level: 36 dB
  • Auto shut-off:
  • Dimensions: 11.3” x 7” x 10.5”
  • Warranty: 2 years

If you are looking for a powerful humidifier that can cover large spaces such as living rooms or working spaces, you will be pleased to know that LEVOIT LV600HH can extend its action for up to 753 sq. ft. It includes a 6L water tank that can keep it running for 36 full hours and an Auto Shut-Off function that stops it when the tank is empty. With two mist options, it can be used all year round, helping you to keep an optimal humidity of 45 to 68%.

Modern Technology

With a contemporary design, it adds an air of modernity to your house and keeps your wooden furniture from damaging on extra dry days. Cold mist is also available and will help you get rid of mold and mildew that tend to form in humid conditions. Furthermore, setting the right parameters is easy, due to its multiple integrated smart functions:

  • Humidity Sensor – sensible to humidity fluctuations, keeps it into your chosen range
  • Timer – helps you save energy and money
  • Auto Shut-Off – prevents it from overheating and damaging when it runs out of water

With a remote control included, things have never been easier. You can choose between 2 output levels of mist right from the comfort of your couch. Your entire house will be covered in a refreshing soft mist and you won’t even hear it, due to an incredible only 34 dB sound level.

Important Features
  • Dimension – 11.3 x 7 x 10.5 inches
  • Water Tank Capacity – 6L
  • Coverage Area – 753 sq. ft.
  • Maximum Run Time – 36 hours
Eliminates pollutants

It doesn’t need any complicated filter systems or expensive technology to reduce germs or bacteria. It only heats water up to its boiling point, which is too high for most microorganisms to survive it. If you use it regularly, warm mist will free your house of pollutants such as:

  • Mold Spores
  • Mineral Dust
  • Viruses
  • Bacteria
  • Germs

An aromatherapy tray is also available for you to add your favorite essential oils. Now you can enjoy fresh quality air every night while keeping your skin hydrated and your sinuses clear.

This model can provide air moisture for large rooms, but you can get full coverage with a whole house humidifier. Whether you choose a steam or an evaporative model, you can rest assured that it will efficiently fight air dryness.

  • Choose whether it will output cool or warm mist
  • Automatic mode maintains your desired humidity level without requiring manual adjustment on your part
  • Can be used for aromatherapy by adding essential oils into the special aroma box
  • Use the 12-hour timer to set when the unit will turn off beforehand

  • The integrated hygrometer isn’t very precise
  • The water canister is difficult to reinsert when it’s full because of the weight


Among the most interesting humidifiers yet since it can output either cold or warm mist, and it even includes the aromatherapy function, this Levoit is an option you should seriously consider acquiring. Best of all, it doesn’t come at an exorbitant price, so it’s one of the budget smart picks to go for.

4. PureGuardian H7550

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  • Technology: Ultrasonic
  • Room coverage: 600 square feet
  • Tank capacity: 5 liters
  • Maximum moisture output: 2.5 gallons per day
  • Mist levels: 3
  • Runtime: 90 hours
  • Noise level: N/A
  • Auto shut-off:
  • Dimensions: 5.1” x 9.8” x 14”
  • Warranty: 3 years

PureGuardian H7550 is the right choice for medium rooms. Featuring a 5L water tank, it can cover spaces that are up to 600 sq. ft. large, without requiring frequent refills. From this point of view, it is fairly similar to the LEVOIT LV600HH that works for spaces of up to 753 square feet and has a 6-liter capacity tank. Moreover, if you use the PureGuardian at its lowest level, a full tank of water can last you for 90 full hours. It uses ultrasonic technology that produces little noise, thus being a great fit for baby rooms, where a quiet environment is a must.


Using a house appliance should be easy and this is the case with this model from PureGuardian. It is equipped with a digital display that helps you choose the right settings for your space, and many smart functions that will ease your life:

  • Mist Sensor – senses when humidity level is low and adjust the volume of mist
  • Timer – if you use it for over 12 hours, it allows you to set the moment it stops
  • Extended Reach Wands – allow you to increase the mist output

Additionally, it features a small window throughout you can check the level of water. Depending on the weather outside and other factors that may affect humidity, you can choose between cold or warm mist, thus keeping your house comfortable in every season.

Important Specifications
  • Dimensions – 5.1 x 9.8 x 14 inches
  • Weight – 7.7 pounds
  • Maximum Run Time – 90 hours
  • Warranty Period – 3-Year.
SilverClean Technology

A great humidifier won’t only add the perfect amount of moisture to your air, it will keep it fresh and germ-free. For people suffering from asthma or allergies, a good filtering system can work miracles, allowing them to breathe normally and sleep well. PureGuardian H7550 uses SilverClean Technology to release safe mist that is free of:

  • Mildew
  • Mold
  • Waterborne Bacteria

A night light is available for spontaneous nocturnal trips. With a built-in Auto Shut-Off function, that turns it off when the tank runs out of water, thus preventing overheating, it is safe to use around children and pets.

  • Features a sensor that monitors current humidity to automatically adjust mist output as needed
  • Turn the soft glow nightlight on or off as you like to create the perfect sleeping conditions
  • Optimized comfort granted by the cool and warm mist settings
  • The large capacity water tank guarantees up to 90 hours of continuous runtime between refills

  • Runs out of water in the tank very rapidly when used on the high speed setting
  • It’s not easy to clean since access to certain places is difficult


The PureGuardian ultrasonic humidifier is one of your best allies for fighting dry winter air. It outputs warm or cool air, depending on your pick, and it even integrates a smart sensor that tracks humidity levels to maintain your preferred air moisture.

5. Polardo HMP-01

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  • Technology: Ultrasonic
  • Room coverage: 485 square feet
  • Tank capacity: 4 liters
  • Maximum moisture output: 1 gallon per day
  • Mist levels: 3
  • Runtime: 24 hours
  • Noise level: 30 dB
  • Auto shut-off:
  • Dimensions: 9” x 9” x 12”
  • Warranty: 1 year

If you are looking for a quiet humidifier, that has an advanced built-in filtration system and many adjustable mist settings, you have found it. Polardo HMP-01 will not only maintain humidity at a safe level of over 43% but, thanks to the included silver ion filter, it will remove bacteria, viruses, and other pollutants from your house.

3+1 Purification System

Water goes through a complex purification process before it’s released into the air as a mist. This way any germs or even heavy metals are neutralized and the risk of vapors irritating your airways is reduced. The same technology is seen in the Vicks V745 too, a cheaper product that you can use as an alternative if your budget isn’t enough for the Polardo. Moreover, the HMP-01 includes a large 4L water tank that will ensure proper humidity for up to 24 hours. This system of filters is 100% safe and consists of:

  • Water Filter with Mineral Ceramic Balls – filters impurities
  • Water filter with Activated Carbon and Mineral Balls – removes any distinctive odor
  • Air Filter with Ions of Silver – absorbs pollutants and microorganisms, leaving the air clean
  • Anion Purification – kills germs, bacteria, viruses and absorbs toxins and heavy metals

It produces an impressive quantity of 300 million negative ions per minute that won’t let Escherichia coli or Staphylococcus aureus endanger your family’s health. And it can also be used as a cold mist humidifier to reduce static electricity and dust particles during the winter.

Factors To Consider
  • Water Tank Capacity – 4L
  • Applicable Area – 485 sq. ft.
  • Maximum Run Time – 24 hours
  • Dimension – 9 x 9 x 12 inches
Ultrasonic Technology

Who wants a humidifier that splashes water all over the place and damages the furniture? This is not the case with Polardo HMP-01. Designed to produce 2.4 billion vibrations per minute, it releases superfine mist that spreads evenly into the air. Its efficiency is enhanced by other practical elements such as:

  • 4L Water Tank – keeps it going for long periods
  • 3 Mist Settings – can be adjusted depending of your needs
  • Auto Shout Off – it safely turns off when it runs out of water
  • Aroma Box – can be filled with medicine or different aromas

It is great for baby rooms, as its level of noise is under 30 dB and it doesn’t release any dangerous substances. Furthermore, the water tank can be removed for better cleaning, thus preventing the growth of mold on its walls.

  • It purifies the air while adding moisture to it via the ionization process
  • Features an oil diffuser that you can use for aromatherapy
  • Comprises a total of 12 adjustable mist settings that you can switch between
  • Automatically turns off when the tank runs out of water

  • The warm mist it releases isn’t as warm as it’s supposed to be
  • Water container cap is easy to remove


The most complex entry in our top since it doesn’t only work as a humidifier but as an air purifier and aromatherapy unit too, the Polardo is worth looking into. It even purifies the water in the tank before turning it into mist and releasing it into the air, so you’re not obliged to use distilled or purified water for it.

6. Everlasting Comfort Ultrasonic

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  • Technology: Ultrasonic
  • Room coverage: 400 square feet
  • Tank capacity: 6 liters
  • Maximum moisture output: 270 milliliters per hour
  • Mist levels: Variable
  • Runtime: 50 hours
  • Noise level: 38 decibels
  • Auto shut-off:
  • Dimensions: 13.25” x 11.4” x 6.8”
  • Warranty: 2 years

Humidifiers keep you healthy and protect your house from viruses and germs, but checking on them daily to see if they need refilling can be a bother. If only there were a humidifier that can run for up to 50 hours without requiring your assistance. Everlasting Comfort Ultrasonic comes with a large 6L water tank that can cover an extended room for long intervals. Its 270ml/hour mist output doesn’t allow humidity to drop under 43%, thus preventing breathing illnesses.

Decreases the Risk of Illnesses

During the cold season, dry air creates the perfect environment for germs and bacteria to multiply, thus opening the gates for seasonal illnesses. To prevent this from happening, Everlasting Comfort Ultrasonic uses ionization technology to remove airborne microorganisms and alleviate symptoms like:

  • Cough
  • Stuffy Nose
  • Sneezing

In addition, it features an aroma tray that can be filled with essential oils or inhalant medicine. Let the fan distribute your favorite perfume into the air and watch your house turn into a relaxing refuge.

Safe and Adjustable

When it comes to adjustability, you are in control. It features a knob that allows you to adjust mist and steam output, according to weather conditions and other factors that may affect the moisture of the air. Besides, it includes many functions that increase its productivity:

  • Automatic Shut Off – prevents damage by turning it off when water is consumed
  • 360-Degrees Mist Nozzle – ensures an even humidity throughout the entire space
  • Led Night Light – with a calming blue nuance, shows you the path into the night

It can cover an area of up to 400 sq. ft. , thus being a great fit for bedrooms, bathrooms, kitchens, and other small to medium rooms. Moreover, its level of sound is low, so it won’t disturb your sleep.

  • The mist nozzle guarantees even spreading of the mist throughout the room
  • Comes with an essential oil tray that you can use for aromatherapy
  • Automatically turns off when there’s no water in the tank
  • Filterless design helps save on upkeep costs

  • Water tank opening is small, so it’s difficult to clean it on the inside
  • Chances are that you will spill water when you refill the tank and reinsert it


Perfect for large spaces and as quiet as they come, the Everlasting Comfort is a humidifier you can count on for years to come. It doesn’t cost much and there’s no money spent on maintenance either since it flaunts a filterless design, which makes it a smart option if you’re on a budget.

7. Vicks V745

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  • Technology: Vaporizer
  • Room coverage: 400 square feet
  • Tank capacity: 3.8 liters
  • Maximum moisture output: 270 milliliters per hour
  • Mist levels: 2
  • Runtime: 12 hours
  • Noise level: 40 dB
  • Auto shut-off:
  • Dimensions: 14.2” x 12” x 7.9”
  • Warranty: 1 year

While other humidifiers and purifiers need expensive filters to eliminate airborne particles, germs, bacteria, or viruses, Vicks V745 uses the simple process of boiling to purify the water before releasing it into the air in vapor form. This way, you won’t have to worry about filter replacement or the extra expenses that may drain your wallet. It doesn’t even need any fancy water. Tap water will do great, as long as it is not too hard.

95% Bacteria-Free Mist

If the air is filled with bacteria and germs, you can be sure that flu, nasal congestion, or even a simple cold are just a sneeze away. Vicks V745 boils up to 3.8L of water per use, eliminating 95% of waterborne bacteria. Not to mention that you can sleep through a full 12-hour night without worrying that it may run out of water. By increasing the level of humidity in your house, it helps prevent:

  • Asthma Attacks
  • Influenza
  • Allergies
  • Congestions

It can also be used with medicated vapors to reduce discomfort produced by a stuffy nose, coughing, bronchitis, or asthma. Furthermore, its silent running is perfect if you are sick and need your rest.

Factors To Consider
  • Dimensions – 12 x 7.9 x 14.2 inches
  • Water Tank Capacity – 3.8L
  • Weight – 4.6 pounds
  • Maximum Run Time – 12 hours
  • Works as a humidifier and oil diffuser
  • Easy to clean and refill
  • Translucent tank lets you monitor how much water is left
  • Filter-free design saves you money on upkeep

  • The soft glow nightlight can’t be turned off
  • Is a bit too noisy on the high speed setting


Simple to use and maintain, available at a cheap price, and more than reliable if used appropriately, which is for spaces up to 400 square feet large, this Vicks model is among the most popular choices available. Since it’s a filter-free model, you won’t spend a dime to keep it in top-notch condition either, a definite plus.

8. HoMedics UHE-WM85

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  • Technology: Ultrasonic
  • Room coverage: 425 square feet
  • Tank capacity: 5.7 liters
  • Maximum moisture output: 2 gallons per day
  • Mist levels: 5
  • Runtime: 65 hours
  • Noise level: 30 dB
  • Auto shut-off:
  • Dimensions: 11” x 11” x 20”
  • Warranty: 1 year

This humidifier has a cold and warm misting option which means that it will keep you cool during the hot summer days and hot throughout the cold seasons. Additionally, it also has an easy-to-view display so you can easily see the settings it’s operating on. Adjust it according to your needs through the electronic buttons. Furthermore, by considering this model, you will receive a bonus demineralization cartridge and a 1-year limited warranty.

Cool Mist Technology

The ultrasonic mist technology also has antimicrobial properties. Thus, it will prevent the growth of mold and mildew on the tank. Hence, you can use it even if the household has people that suffer from allergies. Its design features are:

  • Timer – Set the unit up to 8 hours in advance to make it work according to your needs. Choose between 1, 2, 4, or 8-hours
  • Nightlight – This feature can be either turned on and off during the night so you can place the unit in the nursery room
  • Demineralization Cartridge – You don’t have to worry about white dust setting on your furniture or appliances as the cartridge will reduce the mineral build-up

It’s important to mention that the power will turn down when the water level is getting down to ensure longevity and optimal use for many years.

Ultrasonic High Frequency Technology

This technology will convert the water into 1 to 5 million particles that can be evenly dispersed through the air. Thus, your whole room will enjoy a warm mist from corner to corner. Additionally, as it can cover an area of up to 400 sq. ft., you can use it in large homes and areas such as farms or light-commercial use.

Another feature that sets the unit apart from the competitors is the 65 hours continuous operation. So, it can operate for many days and nights with minimal maintenance.

  • It uses ultrasonic technology to produce fine mist without making much noise in the process
  • Programmable humidistat helps maintain your desired moisture at all times
  • The included demineralization cartridge reduces mineral build-up of hard water and eliminates the issue of white dust on surfaces
  • Sleek tower-style humidifier that goes well with any décor

  • Drains the water too quickly on the high output settings
  • The control panel is too bright, so you will likely have issues sleeping in the same room with the unit


Tired of that white dust that most humidifiers leave all over surfaces after adding moisture into the air? Then you ought to consider acquiring this HoMedics model since it comes with a demineralization cartridge to solve this specific issue. Furthermore, it uses ultrasonic technology to ensure truly fine mist is released into the air.

9. Honeywell HWM705B

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  • Technology: Vaporizer
  • Room coverage: 250 square feet
  • Tank capacity: 3.8 liters
  • Maximum moisture output: 1 gallon per day
  • Mist levels: 2
  • Runtime: 24 hours
  • Noise level: 25 decibels
  • Auto shut-off:
  • Dimensions: 12” x 10.5” x 6.2”
  • Warranty: 3 years

Medium-sized rooms will benefit best from this high-quality humidifier. With many smart features included, it will provide healthy humid air that won’t let you and your family come up with flu or experience breathing troubles. The adjustment knob is easy to use and allows you to choose the level of mist that is to be dispersed into the air. Additionally, it includes a medicine cup that can be filled with liquid inhalants or aromatic oils, thus helping you turn your room into a comfortable and safe place.

Efficient 24-Hour Run

Dry skin, nasal congestion, bronchitis, or asthma won’t stand a chance in front of this effective humidifier. A full 3.8L water tank will last you for up to 24 hours, keeping an optimal humidity level of 40-60%. This way, not only your health will be protected, but your entire house, as dryness tends to affect wood furniture. Furthermore, it includes many smart functions to help you choose the right parameters:

  • Auto Shut Off –turns off when water is consumed
  • Refill Light – turns on when it runs out of water
  • Illuminated Power Switch – allows you to decide when it needs a break

It is worthy to mention that it doesn’t require any filters to perform the operations, so you won’t have to worry about their replacement or cleaning. It uses the boiling process to kill germs and bacteria, thus preventing them from contaminating the vapors.

Buying Guide
  • Dimensions – 11 x 8.5 x 13 inches
  • Maximum Run Time – 24 Hours
  • Water Tank Capacity – 3.8 L
  • Warranty Period – 3-Year
  • Features an essential oil cup that makes it usable for aromatherapy
  • Outputs mist unremittingly for 24 hours when used on the lowest speed setting
  • Two comfort settings to pick from
  • Filter-free design ensures that maintenance won’t cost you a cent

  • Unless you use distilled water, scale build-up will be an often issue
  • The tank handle is flimsy


No matter if you are going to use Honeywell HWM705B in your bedroom, your children’s rooms, or in your nursery, it won’t make any noticeable noise. It is designed to create comfort and enhance sleep quality. Additionally, it helps reduce breathing problems and soothes asthma sufferers. Liquid medical inhalants can be distributed into the air using its medicine cup, thus ensuring a practical and effective treatment.

10. Crane EE-6902

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  • Technology: Ultrasonic
  • Room coverage: 500 square feet
  • Tank capacity: 4.5 liters
  • Maximum moisture output: 2.8 gallons per day
  • Mist levels: Variable
  • Runtime: 24 hours
  • Noise level: 30 dB
  • Auto shut-off:
  • Dimensions: 9.8” x 9.3” x 13.7”
  • Warranty: 1 year

This instant safe humidifier will produce warm air as soon as it’s turned on. Similarly with the other units mentioned, you can choose between warm or cold mists. The easy-to-operate model means that you can change the settings without any experience with such a product. Best of all, it will quickly cover a room of up to 500 sq. ft. without affecting your electricity bill.

Antimicrobial Material

One of the main features of this unit is its ability to control bacteria growth in the home. In fact, it has been independently tested, it proves that it can reduce the mold and bacteria growth up to 99.96%. Its design particularities are:

  • Tank – The removable tank can easily be removed and fit under all bathroom sinks or other faucets
  • LCD – The sensor-touch LCD can be used to easily change the output settings, timer, and air ionizing features
  • Nozzle – The 360-degree nozzle will disperse the warm or cold mist throughout the room, covering the whole surface

As the unit is a cool/warm mist, you can use the product throughout the year. The warm mist will keep you comfortable throughout the winter and the cool mist will be beneficial in the summer.

Energy Efficient Operation

It’s important to mention that you can allow the unit to work throughout the day and night without worrying about your electricity bill. The reason for this is because it’s noted that it will use less energy than a common household light bulb. So, for the cold mist, it will use around 30-watts, and for the warm mist around 130-watts.

The whisper quiet operation means that you can place it in a range of rooms in the home without worrying about distracting noises. The automatic shut-off means that the unit will shut itself off when the water level has run low.

  • Among the most energy efficient models yet – consumes less than 130 watts when it produces warm mist
  • The 360-degree mist nozzle ensures even humidity increase throughout the room
  • Features the air ionizing function that helps purify the air in the process of humidification
  • Pick between cold or warm mist at any given moment, depending on your preference

  • If you don’t place it on an elevated surface, water will leak from the tank
  • It beeps too loudly when it runs out of water


The steady stream of warm or cool moisture this Crane humidifier injects into the air makes it a must have for people with sinus congestion problems. It is easy to use and there’s not much upkeep involved since it’s a filter-free unit, and the fact that it comes at a cheap price only adds to the product’s appeal.

11. Sunbeam 1388-800-001N

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  • Technology: Vaporization
  • Room coverage: 200 square feet
  • Tank capacity: 3.9 liters
  • Maximum moisture output: 120 milliliters per hour
  • Mist levels:
  • Runtime: 28 hours
  • Noise level: 0-10 dB
  • Auto shut-off:
  • Dimensions: 11” x 7.5” x 11”
  • Warranty: 1 year

The comforting warm mist will add humidity to the air and help to alleviate dry-air problems. Dry winters are not only a danger to yourself but also to your home. In comparison, with the other models, this unit has a filter-free vaporizer which means that it will quietly disperse the warm air from corner to corner. Moreover, it is backed by a 1-year warranty period so you can purchase with confidence.

Medicine Tray

Another feature that makes it stand ahead of the competitors is the tray that will fit medicinal vapors. Such vapors will help to soothe dryness of the throat, sinuses, and irritating coughs. Additionally, it’s also suitable for aromatherapy. Its design features are:

  • Antimicrobial Materials– You can use the unit long term as the plastic will not contaminate the air
  • Tank – It is removable which means that it can be easily filled or cleaned
  • Stainless Steel Electrodes – The unit requires minimal maintenance for the steam output

Additionally, it’s essential to mention that the model will eliminate odors and bacterial growth from the home. Thus, it’s one of the best appliances to have during the flu season.


You don’t need to possess extensive knowledge to know how to operate the humidifier. It has been designed with a single button which is the on/off. Additionally, to remove the tank, all that you will need to do is lift it by the handle positioned at the top. The wide mouth opening means that you can easily fill it with water without making a mess.

  • Automatic shut-off when there is no more water left in the tank
  • It can be used for aromatherapy
  • The base glows in the dark so you won’t accidentally knock it over at night
  • Despite the cheap price, it’s backed against defects for 2 years

  • Handle with care because the plastic bottom gets very hot to the touch
  • The tank’s shape makes it difficult to clean


The smallest steam vaporizer in our top, this Sunbeam product is bound to make a good impression since it provides a hefty amount of moisture when it runs, solving dry air problems once and for all. It’s cheap too, so if you want a solution for keeping colds at bay this year but you don’t have that much money, this is the option you should consider.

Cool Mist vs Warm Mist Humidifier

Whether it’s cool or warm, the humidity will be your helping hand for combating different problems. The unpleasant effects of dry are can seriously damage your home. If you’re suffering from allergies, dry nose, itchy throat, and sneezing, it means that the humidity levels are not right. In addition to this, it can also damage appliances, furniture, and walls.

When the humidity levels are right, you will notice positive effects on your body and home. You will have better skin, healthy breathing passages, and an overall healthy sinus structure. Furthermore, it will also help you to combat the flu season. Nonetheless, each mist has its benefits and limitations. Take a look at the table below.

Warm mist Cool mist
Minerals are kept in the water It removes minerals
Much quieter than cool mist A fan is included in the design
It increases the room temperature Likely to develop mold if not maintained
It removes bacteria and mold It uses minimal power to operate
Available in portable sizes It can cover a large area

Frequently Asked Questions

Why do I need a humidifier?
Many cold symptoms, itchy skin, dry eyes, allergies, or respiratory conditions are either provoked or intensified by low humidity. A humidifier increases the moisture in the air by releasing water vapors or extra-fine drops, thus creating a more comfortable environment.

What is the ideal humidity level?
Although humidity is important for your health and comfort, it should be kept between 30% and 50%. If the moisture in the air overcomes 50%, there is a high chance that mold, mildew, bacteria, and other dangerous pests breed and grow in your house. On the other hand, if it drops below 30%, flu viruses will be the ones invading and ruining the peace of your home.

What size humidifier do I need?
The main criteria is the size of the space you are looking to cover. The larger the space is, the bigger should the humidifier be. To be sure, you can check the product’s specification list, as the area of coverage is often included there.

Is cool mist better than warm mist?
When it comes to efficiency, there’s no notable difference between a cool mist and a warm mist humidifier. They both increase humidity, reducing the discomfort in the room. However, if you have kids, a cool-mist device is recommended, as the hot water in the warm-mist can spill and cause accidents.

How often should a humidifier be cleaned?
The ground rule is that you should never leave water in the tank and use it again the next day. The tank should be emptied when the humidifier has done its job and dried with a towel so the moist surface doesn’t become a breeding ground for bacteria. Moreover, if it’s used daily, it should go through a thorough cleaning at least once a week.

Should windows be closed when using a humidifier?
Keeping the windows closed while using a humidifier can cause the humidity to rise abruptly, reaching values that are dangerous for your health. It’s best to place it in a well-ventilated space, where the windows and doors can be kept open.

Can you put tap water in a humidifier?
Humidifiers can run on tap water. However, it is not recommended. Tap water contains plenty of minerals that tend to spread into the air with the mist. Moreover, in time, they deposit on the humidifier’s internal components, reducing their performance and lifespan.


For the clean, odor-free mist, it includes a microporous cartridge that catches microorganisms, thus increasing the safety of your home. For the best results, it is recommended to change the filter every 4 to 6 months.

When it comes to choosing the best warm mist humidifier, some specifications are worth to be considered. Depending on the space you are going to use this appliance, you may want to pay attention to its mist output, area of coverage, maximum run period, or integrated smart functions.

Best Warm Mist Humidifier for Sale: Aprilaire 800

A whole-house model, it is designed to provide humidification for generous spaces. As it connects directly to the waterline, it doesn’t need a water recipient, so, the good news is that it can run continuously and you don’t have to get your hands wet every few days. Plus, the water it puts into the air is purified, so the risk of inhaling minerals is highly reduced.

Editor’s Choice: LEVOIT LV600HH

LEVOIT LV600HH features two mist options, allowing you to choose between cold and warm mist. It is one of your best options if you need a humidifier that can work both during the cold and hot seasons.

Best Warm Mist Humidifier for the Money: Polardo HMP-01

Aside from the cheap asking price, what makes this Polardo humidifier the best money can buy is that it integrates multiple functions. One of them is air purification, so if you want the air you breathe to be clean while making sure that moisture levels never drop below the safe threshold, this is your go-to. Moreover, it includes an aroma box, so you even benefit from aromatherapy whenever you want for stress relief, relaxation, and sleep improvement.

Best Warm Mist Humidifier for Baby Room: PureGuardian H7550

If you need a humidifier that can cover your entire house, you should give this model a try. With an extensive 90-Hour run and an included 5L water tank, it is perfect for busy people who don’t have the time to check on it every day. Moreover, as it is silent and safe, it will make an awesome addition to every baby room.

Lillian Davies
Lillian Davies
Lillian is a fresh college graduate who has lived in Tucson for most of her life, battling the torrid heat ever since she was a child. She is quite versed in the topic of thermal comfort and what solutions work to make conditions more bearable when the temperatures go haywire, which makes her knowledgeable in the topics she writes about here. Since she is a perfectionist, Lilian always takes time to polish her articles before release, which makes her an irreplaceable part of the team.

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