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11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Woman Keeps Hand over the Mist Released by a Humidifier

Woman Keeps Hand over the Mist Released by a Humidifier

47

Models Considered

73

Hours of Research

2

Experts Interviewed

537

Consumer Reviews Analyzed

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 feature lets you benefit from reduced stress levels and improves 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 and 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
6,200 sq. ft.
Continuous
6 output levels, humidistat, indicator lights
5 years

Best for Large Rooms
3,700 sq. ft.
20.5L
45 hours
Automatic shut-off, humidistat, moisture control, indicator lights
2 years

Editor’s Choice
753 sq. ft.
6L
36 hours
LED screen, humidity sensor
2 years
750 sq. ft.
6L
60 hours
Essential oil tray; Humidity sensor; Timer; Sleep mode
1 year
600 sq. ft.
5L
90 hours
Timer
3 years

Best for the Money
485 sq. ft.
4L
24 hours
Aroma box, automatic shut-off
1 year
400 sq. ft.
6L
50 hours
Automatic shut-off
2 years
400 sq. ft.
3.8L
12 hours
Medicine cup
1 year
425 sq. ft.
5.7L
65 hours
Timer, nightlight
1 year
500 sq. ft.
4.5L
24 hours
Sensor-touch LC, 360-degree nozzle
1 year
200 sq. ft.
3.9L
28 hours
Filter-free vaporizer
1 year

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 optimal comfort during the night.

1. Aprilaire 800

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • A whole house humidifier that you can count on to solve low moisture problems on all levels of your home
  • 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 quite simple and can be performed by someone without experience just by closely following the provided instructions





100%

Area coverage



100%

Mist output



100%

Noise level



100%

Easy to clean




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 to 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.

Performance Test Feedback

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, Product Tester

Aprilaire 800 Specifications Sheet

Technology: Steam Area Coverage: 6,200 square feet
Tank Capacity: Maximum Moisture Output: 34.6 gallons per day
Mist Levels: 6 Runtime: Continuous
Noise Level: N/A Automatic Shut-Off:
Dimensions: 21” x 11” x 8” Warranty: 5 years

2. AIRCARE H12-400HB

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

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

Cons:

  • Emptying the water tank isn’t as easy as we expected
  • Gets fairly loud on the highest speed setting





97%

Area coverage



98%

Mist output



100%

Noise level



98%

Easy to clean




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 the tank 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 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 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.

AIRCARE H12-400HB Specifications Sheet

Technology: Evaporative Area 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 Automatic Shut-Off:
Dimensions: 24” x 13.5” x 22” Warranty: 2 years

3. LEVOIT LV600HH

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

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





94%

Area coverage



95%

Mist output



100%

Noise level



99%

Easy to clean




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 to its boiling point, which is too high for most microorganisms to survive it. If you use it regularly, the 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.

LEVOIT LV600HH Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 11.3” x 7” x 10.5” Warranty: 2 years

4. Elechomes UC5501

Summary: The 60-hour runtime on a full tank makes this humidifier one of the most convenient machines to use since refilling won’t be needed as often as it is with smaller water reservoir capacity models. It’s reasonably priced and can output 550 milliliters of moisture per hour tops to solve dry air issues ASAP.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • It displays current humidity levels
  • Features indicators that let you know when the water tank is empty so that you refill it, and when the filter needs to be changed
  • Can release either warm or cool mist to increase indoor humidity
  • The essential oil tray lets you use it for relaxing aromatherapy sessions

Cons:

  • The moisture tends to drop on the surrounding surfaces, wetting them
  • The humidity reading fluctuates at times





94%

Area coverage



95%

Mist output



100%

Noise level



99%

Easy to clean




Yet another versatile humidifier like the previously presented LEVOIT LV600HH - both can output either cold or warm mist for indoor humidity increase. It’s similar to the aforementioned model design-wise too, boasting almost the same build. The UC5501 measures 11.6” by 7.7” by 11”, so there’s no need to worry about placement since it doesn’t take up much space. We like the silent operation maintained on any of the 3 running speeds it features – it produces approximately 34 decibels, so it won’t distract you from your sleep.

We were quite astounded to see that it does indeed rapidly increase moisture levels in spaces as large as 750 square feet. The runtime also left a good impression since on the lowest running speed it goes on humidifying the air for up to 60 hours before the tank empties. On the high setting, it outputs 550 milliliters of moisture per hour, increasing RH to keep your sinuses healthy.

It features an essential oil tray where you can add a few drops of your favorite oils to enjoy soothing aromatherapy sessions whenever you’re in the mood for a bit of relaxation and pampering. There’s even a 12-hour timer (you can set it from 1 to 12 hours) that comes in handy since it reduces running costs and lets you set beforehand for how long the device should release the soothing warm mist into the air.

Upkeep is kept simple by the bottom-fill tank. Furthermore, when the tank empties, the indicator light turns on to let you know this routine task is due. It also features an indicator for filter replacement. Speaking of, it is recommended that you always use a filter to avoid having the machine release contaminated mist into the air or its tank from being plagued by mineral build-up. If you don’t use a filter, you will have to fill the tank only with distilled water to avoid unwanted outcomes.

This ultrasonic humidifier features a humidity monitor that you can check at a glance to see how much moisture levels have improved since you turned the machine on. When it comes to backing, the last aspect that we will cover in this review, we mention that it’s pretty standard. The manufacturer stands by its product and repairs it for any eventual production defects for the first year after purchase.

Elechomes UC5501 Specifications Sheet

Technology: Ultrasonic Area Coverage: 750 square feet
Tank Capacity: 6 liters Maximum Moisture Output: 550 milliliters per hour
Mist Levels: 3 Runtime: 60 hours
Noise Level: 34 dB Automatic Shut-Off:
Dimensions: 11.6” x 7.7” x 11” Warranty: 1 year

5. PureGuardian H7550

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Summary: 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 level.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

  • 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





93%

Area coverage



94%

Mist output



100%

Noise level



97%

Easy to clean




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.

User-Friendly

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 the humidity level is low and adjusts 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 through which 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, but 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.

PureGuardian H7550 Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 5.1” x 9.8” x 14” Warranty: 3 years

6. Polardo HMP-01

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

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





92%

Area coverage



93%

Mist output



100%

Noise level



98%

Easy to clean




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, and 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.

Polardo HMP-01 Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 9” x 9” x 12” Warranty: 1 year

7. Everlasting Comfort Ultrasonic

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

  • 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





92%

Area coverage



95%

Mist output



100%

Noise level



97%

Easy to clean




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.

Everlasting Comfort Ultrasonic Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 13.25” x 11.4” x 6.8” Warranty: 2 years

8. Vicks V745

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

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





92%

Area coverage



93%

Mist output



100%

Noise level



97%

Easy to clean




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 is 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

Vicks V745 Specifications Sheet

Technology: Vaporizer Area 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 Automatic Shut-Off:
Dimensions: 14.2” x 12” x 7.9” Warranty: 1 year

9. HoMedics UHE-WM85

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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 the 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

Cons:

  • 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





92%

Area coverage



95%

Mist output



100%

Noise level



95%

Easy to clean




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 for 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.

HoMedics UHE-WM85 Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 11” x 11” x 20” Warranty: 1 year

10. Crane EE-6902

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Summary: 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 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

  • 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





93%

Area coverage



94%

Mist output



100%

Noise level



96%

Easy to clean




This instant safe humidifier will produce warm air as soon as it’s turned on. Similarly to 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, and it proves that it can reduce 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.

Crane EE-6902 Specifications Sheet

Technology: Ultrasonic Area 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 Automatic Shut-Off:
Dimensions: 9.8” x 9.3” x 13.7” Warranty: 1 year

11. Sunbeam 1388-800-001N

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Summary: 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.

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

Pros:

  • 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

Cons:

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





90%

Area coverage



93%

Mist output



100%

Noise level



95%

Easy to clean




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.

User-friendly

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.

Sunbeam 1388-800-001N Specifications Sheet

Technology: Vaporization Area 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 Automatic Shut-Off:
Dimensions: 11” x 7.5” x 11” Warranty: 1 year

Alternative Warm Mist Humidifiers Worth Checking Out


Aside from the models we reviewed earlier and included in our main ranking, there are a few other warm mist humidifiers we deem worthy of your attention. While the products didn’t make it into our top for various considerations, this doesn’t affect their overall desirability since their performance is on par with the highest demands. If you don’t find what you seek among our top selections or simply want to explore more top-rated options before you decide, check out the pros and cons of the best alternative products:

11 Best Rated Warm Mist Humidifiers for Sinus Congestion

#1. CarePod Cube X50



In terms of design, the Cube X50 is the standout of all the products we tested. As suggested by the name, it is cube-shaped . The clean lines make it perfect for any modern décor, while the compact size ensures it won’t take up a lot of usable space in the room. It grants optimal performance in areas of up to 700 square feet, so regardless of where you intend to use it for moisture enhancement in the house, it won’t fail you. Despite the considerable coverage and high mist output, it doesn’t draw much power in the process. In fact, it consumes as little as 29 watts in the ultrasonic mode, and 100 watts the in heating mode. And if you haven’t figured it out yet, we highlight that it lets you pick between warm and cool mist. There are 3 mist release levels that you can pick from. On the lowest output level, it provides 32 hours of runtime on a full tank, whereas on the highest mist output setting, it runs unremittingly for 12 hours. The tank has a hefty 4.2-liter capacity, which is why it can grant this considerable runtime before the water depletes. When it comes to mist release performance, it releases 350 cc/h in the ultrasonic mode, and 400 cc/h in the heating mode.

Why we chose to leave it out: It comes at double the price of the AIRCARE H12-400HB but doesn’t cover as large of an area as our runner-up. On the other hand, if you want the best warm moisture humidifier for spaces of up to 700 square feet, the CarePod is your go-to, hands down.


11 Best Rated Warm Mist Humidifiers for Sinus Congestion

#2. Levoit OasisMist



A great option for modern folks since this smart humidifier features voice control. Thus, you can use Alexa to change settings without moving an inch from where you’re sitting. Another means of control is via the VeSync app that you can install on your phone or tablet. You also receive a remote control with the package, so you have multiple options to pick from when it comes to operating the unit. It uses the VortexMist technology to enhance humidity levels indoors. Best of all, you can choose between warm and cool mist, depending on which type of moisture you prefer. It offers optimal performance when used in spaces of up to 430 square feet, a hearty coverage that makes it usable in any room of the house. The 4.5-liter water tank can take up to 45 hours before it needs refilling, another plus since you won’t find yourself doing this pesky task too often. When the time comes for it, you will be pleased by how easy it is since it features a top-fill design which makes the experience spill-free. If you don’t want to switch between mist levels yourself, you can always run it in Auto mode. Just set the humidity level that you want in the room, and the unit will switch on and off on its own to preserve your specified threshold. It features dual rotating nozzles that let you direct the mist how you want in the room. What we especially like, though, is that it produces only 26 decibels. This detail makes it perfect for the bedroom or nursery.

Why we chose to leave it out: We opted to include the Levoit LV600HH in our top in the detriment of the OasisMist that only features as an alternative suggestion since our 3rd rank pick can humidify larger areas. This doesn’t take away from the performance quality of the OasisMist, it just makes this product better suited for different demands than what we had in mind when making the top.


11 Best Rated Warm Mist Humidifiers for Sinus Congestion

#3. Honeywell HWM445B



A budget-smart pick since it comes at an affordable price, and the filter-free design ensures that maintenance won’t cost you a cent. You can program the humidistat so that the Honeywell humidifier maintains your exact preferred moisture level inside the room. It is recommended for use in medium-sized rooms. When used on the lowest of the 5 mist release settings, it provides 24 hours of continuous use before the water tank needs refilling. This is all thanks to the generous 1.5-gallon capacity of the tank. If you don’t pay attention and refill it on time, it will automatically turn off when the water level is too low. This way, it impedes issues like overheating. Considering that it boasts a top-fill design, you won’t make a mess when you put water in the tank. What we especially like is the essential oil cup since it allows you to use the HWM445B for soothing aromatherapy sessions. You can also add liquid inhalants to the cup if you have a stuffy nose and want to get better quickly.

Why we chose to leave it out: This Honeywell entry would have normally made our top considering its humidification effectiveness and asking price. However, during tests, we found its noise output distracting. Nevertheless, if you intend to use the humidifier in a room where you don’t necessarily need utter quietness, you should still consider it.


11 Best Rated Warm Mist Humidifiers for Sinus Congestion

#4. Elecameier 2-in-1 Humidifier



One of the quietest products we tested. The Elecameier produces only 25 decibels when it runs, which makes it perfect for office, bedroom, or nursery use. Moreover, thanks to the compact size, it fits perfectly on a desk or nightstand. The modern design doesn’t hurt either since it makes the humidifier blend in easily with any décor. You can set the timer for 2, 4, or 6 hours to have the unit running only for as long as you need it to. Another adjustability aspect stands in mist release. You have three options to pick from in this department, namely low, medium, and high. Best of all, you can choose between warm and cool mist depending on what you prefer at the moment of use. The rotating dual nozzle design lets you direct the mist as you like. Thanks to the essential oil filter, you can use the product for soothing aromatherapy sessions. You don’t have to stress over using specific types of water to refill the 2.3-liter tank since the demineralization filter traps floating particles and impurities to make sure the mist released is 100% clean. Additionally, considering that this is a 75-watt unit, you won’t spend much money on running it 24/7 if that is what you want to do.

Why we chose to leave it out: Our issue with the Elecameier is that the warm mist it releases isn’t as warm as that produced by the products we ended up including in the main ranking. This is the only reason why we decided to only leave it as an alternative. Since this is a preference issue more than anything else, we encourage you to analyze it closely and compare it to our other suggestions since it might suit your demands and budget better than the other models.


11 Best Rated Warm Mist Humidifiers for Sinus Congestion

#5. Vicks VWM845



Perfect for RH level increase and congestion relief. The VWM845 features a medicine cup that lets you use inhalants, the unit diffusing them into the air. During the flu season, this feature really comes in handy. It’s a cheaply priced product that lasts for years thanks to the Vicks quality guarantee seen in all products from this brand. We like that the water tank can hold 1 gallon of water since this implies that you won’t refill it too often. For that matter, it only needs refilling every 24 hours when you use the unit on the lowest mist release setting. Speaking of, to customize the mist release pace, you just have to turn a knob. Intuitive, right? If you happen to forget to refill the tank on time, it will automatically turn off when the water level is low. Thanks to the filter-free design, maintenance doesn’t cost much. Furthermore, the compact size makes it perfect for the nightstand, so you can keep it by your side to enjoy the soothing warm mist when you sleep.

Why we chose to leave it out: During our weeks of product testing, we noticed that the VWM845 requires cleaning more often than the Vicks V745. For its more convenient nature, since it doesn’t need as much maintenance, we decided to include the V745 in our top and only leave the VWM845 as a suggestion here since we didn’t want to include multiple products from the same brand in the main ranking.



Cool Mist vs Warm Mist Humidifier


Whether it’s cool or warm, the humidity will be your helping hand in 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, creating a more comfortable environment in the process.

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 criterion 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 I clean the humidifier?

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 I close the windows when the humidifier runs?

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 I put tap water in the humidifier’s water tank?

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.


Conclusion

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.

In this article, we provided you with the best products this market offers, as well as some top-notch alternatives in case you don’t find what you seek in our top. Before we end, we want to briefly go over the standout models that we featured here to help you decide if you haven’t made up your mind yet. Let’s go!

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 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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