Cool mist humidifier for healthier air in the wintertime

The best humidity level for your health is in the rage of 45% to 55%. In the winter, the air is cooler and contains less water so the desired humidity level might be hard to achieve without help from a humidifier. The humidifier disperses moisture into your home environment, keeping the humidity at the desired level. There are several humidification technologies but today we will talk about the cool mist humidifier. The device disperses a cool mist and can maintain humidity levels without heating the room. It works on two types of technologies, ultrasonic and evaporative.

First, we will talk about ultrasonic humidifiers. The high-frequency diaphragm produces a fine mist. This diaphragm can be metal or ceramic. It sits on the water surface and churns the water creating very small droplets that are blown in the air by a fan. Also, ultrasonic technology can produce cold mists, warm mists, or both. Equipment that produces both is very easily adaptable to your needs.

On the other hand, an evaporative humidifier uses a material dipped in the water tank to absorb it. A fan is blowing on the cloth and creates a mist. Even if the result is the same, the method in obtaining the mist is completely different.

How to chose a cool mist humidifier

Before choosing a humidifier you have to determine the area of the room in square feet or square meters. After that, you need to find a safe location in the room, close to a power supply, where the equipment will be placed.

Now that you have de above info available, let’s talk about functions.


The humidifier you choose must have a built-in humidistat that monitors the air humidity. Without it, too much moisture can be introduced into the air. This will raise the discomfort levels and risk of bacteria and mold. Also, the humidistat is used to keep the room in the recommended range of 45% to 55%, by automatically switching on and off.

Water recipient

The water tank is in direct relation with the space you are going to use it in. The bigger space, the bigger the water tank has to be so you don’t have to refill it too often.

Pre-programed operation modes

Operation mode keeps the humidity based on need. It should have individual modes for comfort, allergies, dry skin, flu, and nose and throat.

Noise levels of cold mist humidifiers

Between the two technologies, if noise is a tie-breaker, the ultrasonic is the best. Even if the evaporative technology emits more sound, it is below a conversation noise level, so it will not be a big discomfort. But, if you are planning to use it in a bedroom, then the ultrasonic humidifier is our recommendation.

Operational hours

The more hours the device can run on a single water tank the better. An reference interval is from 8 to 24 hours of continuous use.

With all this information clarified, let’s enter in our Best categories below.

Best evaporating cool mist air humidifier

Honeywell HCM350B Germ Free Cool Mist Humidifier is the best in this category.

The humidifier has an Ultraviolet light technology to kill 99.9% of the bacteria, mold, fungus, and viruses in the water.

How this works, tap water from the tank flows in the UV water path. Here, the UV light sanitizes the water. After that, the water goes to the base of the wicking filter. The filter absorbs the water. A fan pulls dry air into the filter. The air absorbs the humidity from the filter. The same fan creates the 99.0% germ-free mist which is emitted in the room. It is not possible to over humidify because the air in the room is used to take the moisture from the filter. So, when the air is saturated, no more moisture will be taken.

It has a 1-gallon tank, around 3.7 litters, which can run 24 hours in low. Due to its capacity, Honeywell recommends the humidifier for medium-sized rooms. The tank has a large handle and wide opening, making it easy to carry, fill, or clean. The unit comes with a Honeywell Humidity Monitor for better reading and control of the air in the room.

A disadvantage, to have the best performance, the filter has to be changed regularly with a genuine replacement.

In conclusion, it is a unit with a lot of features and most importantly is the UV sanitation light. The filter change is a small setback but, it is our best choice in the category.

Best ultrasonic humidifier

Homech Top Fill Cool Mist Humidifier is the best ultrasonic device.

The unit is easy to use and clean. It has an 1-12 hours timer for auto on and off.

The ultrasonic humidifier is very silent, reducing noise to under 28dB. The display turns off automatically after two seconds. In conclusion, these functions help improve sleeping.

It has a built-in humidistat, and in auto mode, it can maintain a healthy humidity level. Also, the unit adjusts automatically, the mist level. Likewise, you can adjust manually the moisturizing speed to low, medium, and high options.

The 4-liter tank, 1.06 gallons, last from 15 to 40 hours. The humidifier stops automatically when it is empty. It has a 360-degree rotating nozzle. Also, the unit is recommended for rooms up to 30 square meters, 321 square feet.

In conclusion, it is a very silent and efficient unit, with a lot of features and decent running times. A disadvantage is, you have pay special attention to cleaning.

Runner up to the best humidifiers

The runner up is a ultrasonic humidifier from Everlasting confort.

This is an ultrasonic unit featuring a 6 liters water tank and a high mist output of 270 ml/h. In short, it is designed for large rooms and living rooms.

This unit has an essential oil tray for aromatherapy. Also, it has a blue led night lite, ideal for baby rooms. Likewise, it has an auto shut off when the water is finished, and it is whisper quiet. So, it can be used in any bedroom.

It is filterless, so no additional cost, but you have to take care to properly clean it.

A disadvantage is the size of the humidifier and of the water tank. It is harder to move and present a risk if it is not properly mounted. Also, it lacks a humidistat.

All in all, it has several interesting features, but lack of humidistat and size puts it in the runner up spot.

Smartest cool mist humidifier

In this category I like to include devices that can connect with mobile phones and this is the main feature of Levoit Humidifier Classic 200S.

You can use the built-in WiFi to connect the humidifier to the VeSync app. With it you can program schedules, set up voice control, and monitor humidity.

It has an essential oil tray for aromatherapy and coupled with automatic shut-off and a silencer, the unit helps with sleep improvement.

The 4-liter water tank lasts up to 40 hours at low settings. Also, the humidistat is present but displays information only on your phone.

In conclusion, it is a good unit for persons who like to have all their devices connected.

Best value

Pure Enrichment MistAire Ultrasonic cool mist humidifier is our pick for best value.

It has a 1.5 liters water tank that can run up to 16 hours on low settings. It also has a 360 degrees nozzle for mist direction and a high and low setting.

For protection, it comes with the automatic shut off feature. You can use it in the bedroom due to the low noise functionality of the ultrasonic technology.

In conclusion, it is a simple unit that covers you basic humidification needs.


1. What is the ideal humidity in a home?

Best humidity is a range between 40 and 60. In my experience, I like to have it at 50 and let the humidifier maintain it.

2. What are the health benefits?

Correct humidity helps improve breathing and sleep, reduces the risks of infections, helps with nose and throat irritations, and others.

3. How to choose the humidifier size?

Its size depends on the area you want to control. First, calculate the area in square meters or square feet and one of the above humidifiers should cover it. If not the go on any retail website and search for the humidifier for that area.

Post on similar topics it might be of interest to you:

  1. Warm mist humidifier for healthier air in the wintertime
  2. Best ultrasonic humidifier. A quiet and efficient device
  3. Best evaporative humidifier. Find the best one for you


Post contains affiliate links. This review doesn’t cost you. I will make a commission if you purchase products thru the links presented here.

1 thought on “Cool mist humidifier for healthier air in the wintertime”

Leave a Comment

Your email address will not be published. Required fields are marked *