For people who stay in areas where at some point it gets freezing, a warm mist humidifier is a must-have device. These devices work by boiling water and then emitting warm moisture that keeps the temperatures inside the room perfect.

Because these units boil the water first before producing the moisture out, they ensure that all bacteria are killed, so you end up breathing moisture that is bacteria and virus-free.

There are many warm mist humidifiers out there designed for people who live in areas prone to cold. All the products are designed with unique features, and they also operate differently.

I’m here to help you select a warm mist humidifier that will solve your problems. After trying and testing over 50 brands on the market, I came up with the following top products which are reviewed in this simple guide.

Things To Consider When Buying The Best Warm Humidifier

When you are out looking for the best warm mist humidifier, try to consider the following crucial things that make up the best warm mist humidifier on the market.

Size of the Humidifier

Warm mist humidifiers vary in size depending on the manufacturer. It is your decision to figure out the ideal size you want your humidifier to have so that you can make the right purchase. Whether you love small or large humidifiers, the choice is up to you to make.

Safety Feature

You want to have the safest product in your house. This means looking for a humidifier that is designed with a safety feature. Such a humidifier will prevent any accident or destroy the machine when the water tank is empty, and the machine is running.

Mostly, many machines are designed to shut off automatically when the unit senses that there is not enough water inside the tank.

Humidifier Capacity

You should also take note of the size of the tank. Some humidifiers have small tanks while in other models they have large tanks. The best thing with humidifiers that have larger tanks is that you fill the water less frequently as compared to units with a small capacity.

UV Light

Not all warm mist humidifiers come with this feature. You should opt for a humidifier with UV light which is responsible for killing bacteria and viruses present in water before producing warm air. This allows you to breathe very clean air that is free from any contaminant.

After considering the top features in warm mist humidifiers, the following are perfect units that will be great if you live in a place where the temperature fluctuates significantly.



  • Quiet operation
  • Runs 24 hours without a refill
  • Clear see-through tank to check water levels
  • Auto shut off
  • Filterless

Having the right levels of humidity inside your house or office makes breathing much easier.

The Digital Humidifier with LED Display is a nice device that breaks water into a fine mist and then scattered throughout the environment to restore ideal levels of humidity.

Digital Temperature Accuracy

The front part of the device has a touch-sensitive button that is large and very easy to read. Here you can key in the required level of humidity that you need inside the room.

Integrated Switchable Heater

This incredible heater keeps the water inside the tank heated and then it is passed via the transducer to produce warm mist. This brings about the desired levels of humidity in the house.

Disposable Ion Exchange Filter

The humidifier uses a filter that is easy to replace after using the machine for some time. Buying the filter is not expensive, so you don’t have to worry about incurring huge expenses.

Automatic Shut-off

When the water tank is empty, the misting will automatically turn off. You can add more water if you want to continue to enjoy the warm humidity in your house or office, RV, or even a boat.

2. Vicks Filter-Free Ultrasonic Cool Mist Humidifier


  • Item Dimensions: 10.87 x 9.45 x 13.46 inches
  • color: White/Blue
  • Brand: Vicks
  • Power Source: Corded Electric
  • Item Weight: 4 Pounds

A warm mist humidifier is necessary especially when there are cold temperatures, and the level of humidity goes down.

With low levels of humidity, you are likely to experience difficulty when breathing.

You can buy the Vicks Warm Mist Humidifier and set the desired levels of humidity in your house. This will be great if you have small children and other members of your family because they will enjoy breathing with ease.


With this humidifier, you are sure of reduced dry coughing and congestion. You end up enjoying very comfortable nights all the time.


The machine works by boiling water to produce mist. The mist is 95 percent bacteria-free so you can be sure of staying in a healthy environment.

Large Water Tank

This unit comes with a large one-gallon tank that holds more water. The machine can run up to 24 hours with just a single filling.


The automatic shut-off makes it safe to use this humidifier. The feature also ensures that the unit lasts longer so you can enjoy using it for many years.

3. Levoit LV 600HH Hybrid Ultrasonic Humidifier


  • remote controlled
  • Large tank capacity
  • Mist setting

Make your home more comfortable with this warm mist humidifier from Honeywell that allows everybody in your house to breathe with ease.

The unit adds the required moisture in a medium-sized room especially during winter seasons when the humidity is below the normal level.


With this humidifier, you are sure that your house stays safe all the time. The automatic shut-off feature allows the device to stop working when the water level is low.


The humidifier has a one-gallon water tank, and it runs for up to 24 hours. It is an ideal machine that you can use at night without having to wake up to fill the water tank.

Filterless Design

Humidifiers that do not have filters provide easy maintenance. This means that there is no frequent cleaning of the filter or replacements which consumes time and money. You can enjoy a convenient performance with this warm mist humidifier.

Refill Lights

Sometimes it can be hard to know when the tank needs to be filled with water if your unit doesn’t have refill lights. If you want to enjoy the continuous performance, this unit will help you know when it is the right time to fill the tank because it has refill lights.



  • Color: Grey
  • Brand: Vicks
  • Power Source: Corded Electric
  • Item Weight: 4.75 Pounds
  • Item Dimensions : 12 x 7.88 x 14.25 inches

Whether you are in your office or at home, the Air-O-Swiss AOS 7147 will be a great product for perfect humidification.

This is a nice humidifier that utilizes high-frequency vibrations to bring the needed mist into a room.

Mist Options

The humidifier allows you to choose between warm and cool mist depending on what you want at the moment. You will be in a position to maintain the required room temperature for a comfortable stay.

Digital Display

The interface of this humidifier allows everybody to operate it with ease. It has simple touch controls hence giving you a simple time operating it.

Silent Operation

The humidifier doesn’t produce disturbing noise when it is working. You can still use it at night and expect a better sleep.

Room Size

If you have a room measuring up to 600 square feet, this is a perfect humidifier that will provide the required humidity in such a big room. It has 3 gallons tank capacity with a run time of up to 24 hours.

5. Everlasting Comfort Ultrasonic Cool Mist Humidifier


  • Dimensions: 14.3 x 12.6 x 7.7 inches
  • Item weight: 4.25 pounds
  • Humidifier type: Ultrasonic
  • Tank size: 6 liters
  • Run time: Up to 50 hours

Our last selection on the best warm mist humidifier is the Vicks UV 99.999% Germ-Free Humidifier.

The humidifier is a perfect choice for people who want to enjoy moisture that is free of germs.

The humidifier makes good use of UV technology that kills up to 99.999 percent of fungus, mold, and bacteria that might be present in water.

Adjustable Moisture Control

This well-designed humidifier allows you to enjoy customized moisture in your house. You are free to set the right amount of moisture that you want in the room.

Water Tank Capacity

The water tank is relatively large carrying up to 2 gallons of water. This makes the humidifier ideal for use in medium to large rooms.

Quiet Operation

If you hate having appliances that are loud when in use, try this whisper-quiet humidifier, and you will love its performance. It works very silently so you can use it anytime and still stay comfortable.

Soft Grip Handles

The tank of the unit has soft grip handles that allow you to carry it effectively when you need to fill it with water.

Final Verdict

The above humidifiers are ideal for keeping your house warm during extreme weather conditions. They are incredible products that offer you bacteria-free moisture which makes breathing easy for everyone.

Another important thing about these warm mist humidifiers is their silent operation. You will hardly notice that they are functioning because no noise is produced.

Therefore, if you have a baby or want to use the humidifiers in your office or at night, they work well and help you get a moisturized room. Just compare the five products, and I’m hoping you will choose one that makes you happy and comes with features you would love in a humidifier.