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Are you afflicted with seasonal allergies and know runny noses intimately? Or are you allergic to dust mites and suffer stuffy noses on a regular basis?

Then this article is just the one for you!

We know that humidifiers often alleviate allergy symptoms. The simple reason for that is that air with optimum humidity helps to soothe affected mucous membranes in your nose and mouth.

Getting rid of dry air is one of the most effective ways of combatting many allergy symptoms. In order to help you find some relief, we have curated a list of the best humidifiers for allergies for you below:

Pure Enrichment MistAire Ultrasonic Cool Mist Humidifier

Best Humidifiers for Allergies: Pure Enrichment MistAire

Pure Enrichment’s MistAire humidifier operates with an ultrasonic cool mist technology to humidify your home.

The 1.5 litre water tank is big enough to be used in most bedrooms, (home) offices, or other medium sized rooms. It also safely moisturises the air for up to 16 hours of continuous operation.

An adjustable nozzle and two speed settings allow you to easily find the perfect way and rate of humidifying your home.

The humidifier also comes with a gently glowing night light and an auto shut-off that is triggered by water-levels running low.

Key Features:

  • 1.5 litre water tank
  • Adjustable nozzle direction
  • Two speed settings
  • Night light
  • Auto shut-off when water is low

Crane Ultrasonic Cool Mist Humidifier

Best Humidifiers for Allergies: Crane Ultrasonic

Crane’s Ultrasonic humidifier comes with a removable 1 gallon tank that fits under most bathroom or kitchen sinks for easy filling.

The device runs super quiet for up to 24 hours of continuous use and is powerful enough to effectively humidify up to 500 square feet. This makes it a great choice for use in living- and bedrooms. You will love the experience of breathing more easily and sleeping more soundly. In terms of safety measures, the humidifier has an auto shut-off that turns off the device if water levels run low.

The Crane humidifier is made from anti-microbial material that reduces mould and bacterial growth in the device by up to 99%. It also requires no filter, but there is a demineralisation filter that can be separately purchased if you live in an area with hard water.

Key Features:

  • 1 gallon tank
  • For spaces up to 500 square feet
  • Safely runs for up to 24 hours
  • Auto shut-off when water runs low
  • Made from anti-microbial material

Vicks Warm Mist Humidifier

Best Humidifier for Allergies: Vicks Warm Mist

Vicks Warm Mist humidifier is the perfect choice for bedrooms, nurseries, kid’s rooms, or anywhere you could want some congestion relief. It that’s your main concern, the humidifier can also be used with Vicks VapoSteam for optimal medicated vapours and best results. And since it has been designed with sick kids and adults in mind, Vicks humidifier also runs super silently so as to not disturb the much needed rest.

The filter free device comes with a 1 gallon tank that allows it to operate safely for up to 24 hours at a time. It also has two output setting for the warm, visible mist that helps to soothe aggravated mucous tissues.

Coming with a handle, the tank is very easy to carry and refill. It’s transparent design also allows you to keep an eye on water levels, though that is not really necessary as the device comes with an auto shut-off for when the tank runs empty.

Key Features:

  • 1 gallon water tank
  • 24 hours of run time
  • Auto shut-off
  • Generates warm mist for optimal congestion relief
  • Can be used with Vicks medical VapoSteam

Honeywell HCM350W Germ Free Cool Mist Humidifier

Best Humidifiers for Allergies: Honeywell HCM350W

Honeywell’s cool mist humidifier adds moisture to the air for about 24 hours per tank. Said tank holds 1 gallon of water and also comes with an integrated UV technology which serves to kill off 99% of bacteria and viruses in the water.

The HCM350W uses an Evaporative Technology, which involves blowing moisture off a wicking filter. This technology is great for two reasons: firstly, it ensures that humidity is spread throughout the room quickly; and secondly, it also means that you simply cannot over-humidify a room. Since the air itself dictates how much moisture it wants, there is no way of adding more water to the atmosphere than it can hold.

For those of you who want some extras, Honeywell offers a few additional gadgets to purchase separately. For example, you could get a protective cleaning ball, extra filters, or a Honeywell humidity monitor.

Key Features:

  • 1 gallon water tank
  • One tank lasts up to 24 hours
  • UV-light treatment in tank (kills more than 99% of pollutants)
  • Evaporation technology used
  • For medium-sized rooms

Everlasting Comfort Ultrasonic Cool Mist Humidifier

Best Humidifiers for Allergies: Everlasting Comfort Ultrasonic

Everlasting Comfort’s humidifier is your best bet when you are dealing with larger spaces. The super spacious water tank holds up to 6 litres/1.6 gallons and lasts for 50 hours of use per fill. And don’t think that this means a slow humidifying process. Quite contrary. The device has a mist-output of 270ml per hour, which is A. LOT.

Additionally, the humidifier comes with a lot of bells and whistles: There is a night light and an inbuilt essential oils tray for extra comfort. Everything about the output is adjustable – you can regulate the actual mist output with an easy to use knob and the nozzle itself rotates through 360°. There is an auto shut-off function for when water levels fall too low. And there are no filters that need replacement.

And we did mention that it is perfectly suited for large rooms, didn’t we? The humidifier easily handles spaces of up to 400 square feet.

Key Features:

  • 6 litre / 1.6 gallons water tank
  • Up to 50 hours of use per refill
  • Essential oils tray
  • Night light
  • For spaces up to 400 square feet


Q: What is the right level of humidity for allergy sufferers?

As is so often the case, giving actual numbers is a bit difficult.

Wo do know two things for sure: moist air helps to soothe aggravated mucous tissue (think runny or stuffy nose and itchy throat), and most of the common in-door allergens like dust mites or mould only really thrive at humidities over 50%.

In order to make the most of both, you should thrive for a relative humidity of somewhere between 30 and 50%. Factors like the climate you live in, season, and if you are in the heating period will influence the actual choice. As does personal preference.

Q: What is better for allergy-sufferers? A humidifier or an air washer?

The answer, here, depends very much on what you want to achieve with it and which type of allergy you try to combat.

If you are mainly concerned with alleviating symptoms and/or are typically more bothered by indoor pollutants like the level of dust or mould spores in the air, a humidifier will be the better choice for you.

If you are mainly dealing with seasonal allergies or are dealing with more severe respiratory problems, then an air washer is likely a good bet. (Air washers do not necessarily moisten the air, though this is typically at least somewhat the case as a by-product, but rather use water to filter pollutants out of the air.)

Q: Cold or warm mist?

The choice is all yours and heavily relies on preferences.

Most humidifiers these days use cold mist technology, not least because it is safer in that there can be absolutely no accidental scalding. Ever.

However, if you are trying to combat things like a dry cough that keeps you from sleeping at night and don’t run the risk of accidental injury, a warm mist option might be your better choice. Warm mist devices are also typically more suited to use in a more medical sense, i.e. in combination with soothing essential oils or with actual vapours intended for inhalation.

But, really, in terms of humidifying the air, both are equally well-equipped.

Q: What do I need to consider before buying?

Two things: room size and your intended usage.

Room size should be obvious – you need a device that can handle the space it is intended to moisturise.

Intended use is a bit more difficult. If you haven’t used a humidifier before, there is a good chance you don’t know what you want. But consider these factors: Do you want to use it in the bedroom? If so, do you want or need a night-light? Are you concerned about pathogens in the water? If so, check for inbuilt UV-treatment or anti-bacterial material. Will you run the device while you are away? If so, you will need an auto shut-off for safety. Are you a fan of essential oils? If so, you might want to look for a device that supports the use of them. Do you live in an area with “hard water”? If so, an additional filter-option might be something to consider.