This Blog will take you through the best humidifiers for Asthmatic people

Best Humidifiers For Asthma

Humidity levels are very important to asthmatic patients. Colds worsen and it’s harder to breathe when humidity levels are low because the air is dry causing dryness and irritation of throats.

Similarly, high humidity levels make it difficult to breathe as humid air is heavy. Humid air also breeds mold and dust mites which may cause asthma attacks. It’s important to note that the amount of water vapor in the air varies and depends on weather, season, or where you live.

This is why a humidifier is needed to help regulate humidity for asthmatic patients. In this article, we’ve put together all you need to know about humidifiers and how to choose a good one to help asthmatic patients.


Now, what does a humidifier do for asthma?

Asthma is a condition that causes the patient’s airways to become inflamed, swollen and narrow. If  you have asthma, an asthma attack can happen when you are exposed to asthma triggers. Also it causes the production of extra mucus making it difficult to breathe. or causing nasal congestion.

It is important to note that asthma symptoms can be alleviated by better quality air. The use of humidifiers make it easier to control the symptoms of asthma and reduce the rate of having asthma attacks at home There are warm and cool mist humidifiers which may add warm or cool vapour to the air depending on the humidity levels.


Asthma symptoms may be reduced if the humidity level is well regulated. Generally, 30 to 50% humidity levels are suitable for asthmatic patients while indoors. When the weather is cold, a warm mist humidifier is perfect as it will boost humidity with purified, warm air.

In dry climate, it’ll be best to use a cool-mist humidifier which will emit cool vapours to humid the room. Humidity must however be regulated to and well-maintained in order not to worsen asthmatic conditions.

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Reviews Of  The Best Humidifiers For Asthmatic Patients 2021

1. Honeywell HCM350W Germ-Free Cool Mist Humidifier

Honeywell HCM350W Germ Free Cool Mist Humidifier is an evaporative cool mist humidifier with a patented UV light design which kills bacteria and germs present in water before evaporating and emitting it into the atmosphere.

This is a perfect fit for asthmatic patients as it comes with a germ free feature. Honeywell HCM350W Germ Free Cool Mist Humidifier is good for use in living rooms and bedrooms as it can humidify an area of up to 400 square feet and a tank capacity of 1.1 gallon and a Runtime of up to 24 hours if put on low speed.

It is important to note that dry air is drawn through the filter and then absorbs the moisture and this is where a fine mist is then emitted into the air for quality inhalation.


Honeywell HCM350W Germ Free Cool Mist Humidifier works by sending water to the UV path, where it is exposed to Ultraviolet light which kills any bacteria or fungi present.

The water moves slowly in the UV path allowing ample time for the eradication of bacteria and fungi.

Next, the water moves to the base of the device and is then sent into the wicking filter which filters the water. The purified water is now taken to the fan which blows it into the nozzle and clean, cool, germ-free mist is distributed in the room.

.  Low humidity can easily  dry out your skin and then  irritate your nasal passages while high humidity can create a sensation of stuffy air.

How to use the HCM350W

Sit back, relax and enjoy the fine quality mist produced!


  • UV light kills germs and bacteria.
  • Works quietly.
  • Pocket friendly.
  • Easy to clean and use.


  • Additional cost is incurred as the wicking filter needs to be changed every 1-2 months.
  • Wicking filters are not easily found on the market.
  • After some time, UV light needs to be replaced and cannot be done by users as it has to be removed in a specific way.
  • Maintenance is quite difficult.

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2. Anypro Ultrasonic Cool Mist Humidifier

Anypro Ultrasonic Cool Mist Humidifier is a small, portable ultrasonic cool mist humidifier with a one gallon tank capacity and is suitable for small spaces.

It comes with a drawer where essential oils can be added. That’s a cool feature for those who enjoy aromatherapy. You don’t need to add oils to the water.

Antimicrobial materials are used to make the water tank to prevent bacteria from growing in the tank which is very essential for asthmatic patients and people with allergies.

On the front side of the humidifier is a dial which enables you to turn it on and off. There is a power and water indicator beneath the dial which turns red when the water level is low and green when the tank is refilled and turned on.


Anypro Ultrasonic Cool Mist Humidifier comes with nightlight features. You can choose between blue, purple, yellow, green, red and pink. Also under the dial is the nightlight control.

Anypro Ultrasonic Cool Mist Humidifier colors change every seconds when you press it once allowing you to choose the colour you want. When you press the button twice, the colour stays permanently.

To turn off the nightlight, you need to press the button for the third time. It is important to note that the nightlight goes off when the tank is low on water and has to be turned on again after it has been refilled.


  • Antimicrobial materials are used to make the tank.
  • Can be used for aromatherapy.
  • Shutdowns automatically when out of water.
  • Notifies with LED indicator when out of water.
  • Nightlight with different color options.


  • Maintenance and cleaning is quite difficult.

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3. Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier for Asthma

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier for Asthma is a small tabletop humidifier with ultrasonic cool mist features. It shuts off automatically when the water level is low, it’s knocked over or when the tank is removed.

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier for Asthma has a 1.5L tank capacity with a runtime of 16 hours or longer if set to low speed.


Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier for Asthma also comes with a nightlight function which can be used separately without misting. It is safe to have kids around when using this humidifier as it is a cool mist humidifier and does not heat water before misting and so will not hurt anyone when tipped over.

For maximum efficiency, the nozzle/mister can be adjusted.


  • Has a bright night light function.
  • Nightlight can be used with or without misting.
  • Operates quietly.
  • Suitable for use in kids’ rooms.
  • Mister can be adjusted in any direction.
  • Has automatic shut-off control.
  • Does not require batteries.
  • Does not require filters.
  • Has an AC power adapter.


  • Cleaning it is difficult.

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4. Everlasting Comfort Ultrasonic Cool Mist Humidifier.

Everlasting Comfort Ultrasonic Cool Mist Humidifier is a 1.6 gallon medium-sized ultrasonic cool mist humidifier with a 5o-hour runtime unless set to a high speed.

For aromatherapy lovers, there is a tray beneath the device for essential oils. It’s nozzle can be rotated 360 degrees so you can control the direction in which the  room is humidified.


Everlasting Comfort Ultrasonic Cool Mist Humidifier has an automatic shutdown function which automatically turns off the humidifier when the tank is out of water to prevent damage to the unit.

Everlasting Comfort Ultrasonic Cool Mist Humidifier runs without filters and can be filled with tap water if you don’t mind frequent cleaning.





  • Refilling it is quite difficult.

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5.  Geniani Top Fill Cool Mist Humidifier

This unit doubles as a humidifier and an aroma diffuser. Geniani Top Fill Cool Mist Humidifier has a tray on top of the unit into which you can add your essential oils to make your home smell good.

Geniani Top Fill Cool Mist Humidifier has a runtime of up to 18 hours and a one gallon tank capacity. It has an automatic shutdown feature which turns off the unit when the tank runs dry to prevent any potential damage.


You can control the Geniani Top Fill Cool Mist Humidifier output to your preference as the nozzle has four different settings. Refilling it is easy and cleaning is also easy as well.


  • Has automatic shutdown features.
  • Easy to clean tank.
  • Refilling the tank is super easy.
  • Has a beautiful design.
  • Can be used for aromatherapy.
  • Operates quietly.


  • Mist is not sprayed very far.

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Factors to consider when choosing the best humidifier for asthmatic allergies

Size or capacity

The size of the unit you choose depends on the space you want to humidity. Is it for a single room or a whole house? There are portable tabletop humidifiers

for small spaces which can be used when travelling. For a whole house or multiple room humidification console humidifiers are the best. They can humidify up to an area of 3,000 square feet.
A room humidifier can cover large expanses 650 – 1200 square ft.


Humidifiers do not require a lot of maintenance. It should be easy to assemble and disassemble for maintenance purposes. Some maintenance activities include disinfecting the tank, especially if you’re using a cool mist humidifier.

This will ensure the eradication of bacteria, mildew, fungi, and mold present. Evaporative cool mist humidifiers have their tanks covered with cloth material called a wicked filter.

This should be changed regularly to ensure proper purification of water. Also, the nozzle of the humidifier should be checked regularly to prevent any blockages.

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The two types of humidifiers are warm mist and cool mist humidifiers. Warm mist humidifiers boil the water before evaporation but cool mist humidifiers do not.

Warm humidifiers use a bit more electricity than cool mist humidifiers because they heat the water. You can purchase any type but ensure it comes with a humidistat. The humidistat enables you to regulate the level of vapour emitted by the humidifier.

Does it operate noisily?

Generally, humidifiers are expected to make some noise but some are noisier than others.

For spaces like your office or bedroom, the ultrasonic humidifier is the perfect fit. It is a type of cool mist humidifier which emits vapor by using high frequency sound to evaporate the water in the tank.

They produce fine quality mist that feels wispy. Since it’s ultrasonic, it is the quietest of all humidifiers.


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Does it have automatic shutdown features?

If you’re not someone who will frequently check the tank of your humidifier or always remember to turn it off, you should purchase a humidifier with automatic shutdown features.

Such a humidifier will automatically shut down if the tank runs out of water to prevent potential damage to the unit.


It is recommended that you purchase a unit that has nightlight features. This is a good feature for kids bedrooms and hallways. You should purchase one whose nightlight can be regulated separately from misting.


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Some humidifiers come with essential oils trays which enable them to double as humidifiers and aroma diffusers.

If you’re an aromatherapy lover, you should consider purchasing such a unit. Aromatherapy decreases depression and increases the quality of sleep.

Asthma and Allergy Certification Program

It’s important to determine if your humidifier answers an allergy and asthma certification. The Allergy and Asthma Certification Program certifies products that meet the high standards of the Asthma and Allergy Foundation of America.


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Types Of Humidifiers For Asthmatics


Evaporative Humidifier (Cool Mist)

An evaporative humidifier does not use heat to operate and this makes it safer to use especially if you have small children or pets.

They operate by using a fan to shoot air over a wet wick which then releases moistens into your home, doing away with dry airways and easing chapped skin.

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Ultrasonic Humidifier

An ultrasonic humidifier uses a ceramic or metal diaphragm which vibrates at high-frequencies and floats on the water tank supply’s surface to expel a fine mist from a fan.

Compared to other models, ultrasonic humidifiers are a bit quieter.

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Usually, a warm humidifier will achieve the same result as an evaporative humidifier. It is therefore important to consider a few important aspects before purchasing a warm mist humidifier.

For example, with a warm mist humdifier, if you have kids or pets, it’s important to note that a steam vaporizer or hot water can chase significant burns if someone gets too close to it or even worse, if it spills on them.

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Impeller Humidifier

This is a function in a humidifier that expels a cool mist using a spinning disk to flick water onto the diffuser.

This helps to break down the water into little droplets, which emits a soft mist into your home.

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Note these:

Frequently Asked Questions

Is it safe to use humidifiers around kids?

If you have kids who have asthma and other allergies, using a humidifier will help to ease the symptoms and decrease the probability of having asthma attacks.

The age of your kids and the type of humidifier you have play a big role here.

If your kids are really small, clumsy and very energetic, a cool mist humidifier is recommended as it does not heat water for misting as a warm mist humidifier would do.

If you use a warm mist humidifier, they can cause burns in case they are tipped over because they heat water for misting.

What is the perfect humidity level for asthmatic patients?

You may have a personal preference but 30 to 50 percent is ideal. Different asthmatic patients have different triggers and symptoms, some individuals may suffer from dry skin or a nasal passage and some may suffer more from other affiliations due to asthma symptoms.  So make sure you regulate the device to enjoy healthy air.

Why are humidifiers bad for asthma?

Humidifiers become bad for asthma when they are left to run non-stop or too high. If you don’t clean your humidifier regularly and thoroughly, it might breed bacteria and germs which are not healthy for you. Also, if you fill the tank with tap water, the airborne minerals present in it may irritate your airways.


Humidity greatly affects the health of asthmatic patients. Not only does it affect breathing, it may also lead to other conditions. It may be a lifelong condition but the frustration and pain associated with it can be managed.

For asthmatic patients, it is highly recommended that you get humidifiers in your home to humidity your home and improve your general well-being. With the best humidifiers for asthma, there won’t be any interrupted sleep due to blocked nostrils or dry air.

We hope this article has been of great help.