8 Best Evaporative Humidifiers To Combat Dry Air Issues

Ile Kauppila

Written By

Ile Kauppila

Expert Reviewed By

Josh Mitchell

Last Updated On

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There are many different evaporative humidifiers on the market, each with different features and confusing terminology.

With comfortable home air as the goal, I wrote this comparison to help you find the perfect evaporative humidifier for your home. 

Let’s get into it!

Quick Glance - My Recommendations

8 Best Evaporative Humidifiers To Improve Air Quality

1. Aircare MA1201

4.8

Overall Score


Ease of Use

5.0

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Humidifying Ability

4.5

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Value for Money

5.0

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Who is Aircare MA1201 best for?

Aircare MA1202 is an ideal humidifier for homeowners looking for a powerful, low-maintenance unit that just works.

Pros
  • Strong humidity production for the size
  • Low height - good portability
  • Easy to use auto-shutoff mode
  • Great value for money
  • Low maintenance needed
CONS
  • Very loud on the highest fan speed
  • Poorly positioned humidistat
  • Some minor design flaws

If you’ve never owned a humidifier before, you might feel lost with all the options. Aircare MA1201 will resolve your dilemma with a great balance of power, ease of use, and value.

This evaporative cool mist humidifier has a great humidity output, with a maximum claimed coverage area of 3,600 square feet.

Although technically a whole-home unit, the MA1201 doesn’t have quite the same kind of whole-house utility as, say, AprilAire 700. Nonetheless, it’s more than enough for a medium-sized home.

The MA1201 is simple to use, with a bright digital display and responsive push buttons.

Aircare MA1201 buttons

The built-in humidistat turns the unit off upon reaching the desired humidity level.

Useful Note:

A humidistat is a built-in device that helps automatically control the humidity levels. It kinds of works like a thermostat but instead of humidity.

Likewise, it shuts down when the tank runs dry, so you can safely leave the device running overnight.

Speaking of the water tank, this humidifier has a nice 3.6-gallon one. However, it can actually hold twice that volume — the tank drains into the central unit, allowing you to refill it and extend the runtime.

I also like the unit's portability. Although it's on the heavy side at 14 pounds (without water), it's compact enough to place under a small desk.

It also comes with optional wheels for rolling it around on the floor.

There are a couple of design mishaps. The humidistat is too close to the humidity vent, so it will always display around 5% higher humidity levels.

You can compensate for it by adjusting the settings, though.

Additionally, inserting the wheels carelessly can crack the water tank — a problem endemic to all Aircare units, including the #2 product on our list, the Space Saver.

Despite its minor flaws, Aircare MA1201 is a high-powered and reasonably priced evaporative humidifier for practically any regular-sized home.

Feature

Details

Type of Humidifier

Whole House

Coverage Area

3600 sq. ft.

Water Tank Capacity

11.44 gallons

Run Time

36 hours

Dimensions (H x L x D)

21.50 x 23.5 x 16.5 inches


2. Aircare Space Saver 831000

4.6

Overall Score


Ease of Use

4.5

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Humidifying Ability

4.2

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Value for Money

5.0

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Who is Aircare Space Saver 831000 best for?

Aircare Space Saver offers an excellent cost-to-power ratio for a budget-minded homeowner.

Pros
  • Reasonable price
  • Humidifies large rooms quickly
  • Compact unit
  • Simple to use and maintain
CONS
  • Flimsy construction
  • Wheels can crack the water tank
  • Loud

Aircare has a knack for building humidifiers that offer great value.

If the MA1201 is overpowered for you, the Space Saver can offer you a lot of bang for your buck.

The water tank is huge. At six gallons, this evaporative humidifier has the largest water capacity out of any unit on my list.

The humidifier can run all day, even at high fan speeds, so you can say goodbye to having to constantly top up the tank.

This unit has a lot of power but it's coverage area isn’t quite as high as the Aircare MA1201’s.

It's still powerful enough to boost air humidity in a medium-sized home within an hour or two.

Another value-adding factor I like is how the Space Saver offers the same automated goodies as its more powerful sibling.

Aircare 831000 dimensions

The device knows how to turn itself off if it runs dry, and the humidistat is placed better than on the MA1201, so it’s more accurate.

The unit is reasonably compact (true to its name), so it's easy to fit somewhere it can perform to maximum efficiency while staying out of sight.

That's good because I find its appearance to be less than aesthetic.

One problem that runs in the Aircare family is the wheels, which can break the tank if installed with too much force. 

This unit is also quite loud, and the plastic shell feels somewhat flimsy.

At its price point, though, Aircare Space Saver offers a lot of humidifying power and utility for your money.

Feature

Details

Type of Humidifier

Evaporative

Coverage Area

2700 sq. ft.

Water Tank Capacity

8.5 gallons

Run Time

70 hours

Dimensions (H x L x D)

22.25 x 18.5 x 13 inches


3. AprilAire 700

4.4

Overall Score


Ease of Use

4.5

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Humidifying Ability

4.8

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Value for Money

4.0

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Who is AprilAire 700 best for?

AprilAire 700 is tailor-made for accurately humidifying every room, even in the largest homes.

Pros
  • Superior humidification
  • Low maintenance
  • Completely automated humidity control
  • Quiet unit that stays out of sight
CONS
  • Expensive
  • Needs professional installation

Do you want to raise the ambient humidity level throughout your home? Then the AprilAire 700 whole-house evaporative humidifier can rescue your dry airways.

Unlike the other units on my list, the AprilAire 700 is a furnace humidifier.

It installs directly into your home's HVAC system to distribute water vapor using the existing air ducts.

Thanks to this system, AprilAire 700 is incredibly powerful.

It can effectively humidify the air in every room, no matter how huge of a mansion you live in. Even the Aircare MA1201 is no match for this device.

This unit also features an automatic dual humidity sensor that monitors the temperature and humidity level both indoors and outdoors.

AprilAire 700 dimensions

Just set the desired humidity level, and the machine calculates how to reach and maintain it most efficiently.

I appreciate furnace humidifiers for their ease of maintenance.

All you need to do is change the moisture filter and clean the unit once a year (twice in hard water areas). 

You won’t have to worry about filling water tanks.

However, this unit can be difficult to install. I recommend hiring an HVAC professional to do it (particularly because DIY installation can void the warranty).

Additionally, this is a pricey unit that consumes quite a bit of water and power. It’s a worthwhile investment, though, if you want powerful humidification throughout your home.

Feature

Details

Type of Humidifier

Whole House

Coverage Area

5300 sq. ft.

Water Tank Capacity

18 gallons

Run Time

-

Dimensions (H x L x D)

15.91 x 18 x 10.34 inches


4. Vornado EVDC300

4.3

Overall Score


Ease of Use

4.2

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Humidifying Ability

4.2

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Value for Money

4.5

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Who is Vornado EVDC300 best for?

Vornado EVDC is great if you’re looking to humidify a single room on a tight budget.

Pros
  • Affordable
  • Multiple automation features
  • Low power consumption
  • Long warranty
CONS
  • Inaccurate humidistat
  • Leak-prone water tank

You don’t have to break the bank to enjoy decently humidified air. Vornado EVDC300 can help you breathe easier on a budget.

The EVDC is rated for spaces up to 750 square feet. It’s nowhere near as powerful as the Aircare units — but it’s not even trying to be. 

This unit works very well for single rooms, efficiently humidifying even a larger living room.

At this price and efficiency, I’d say the EVDC300 is perfect for a studio apartment — perhaps for a student!

Another wallet-friendly feature of the EVDC300 is its Energy Smart Mode. So keeping it running for longer periods won't rack up your electricity bill.

Vornado EVDC300 Energy Smart Mode

What I really like about this unit are the auto mode features that actually beat Vornado’s Evap40 — a rarity in a humidifier this cheap.

The auto-shutoff function turns the machine off when it runs out of water, and it even has a humidistat for monitoring the indoor humidity level.

That said, the humidistat is cheap and far from accurate.

I recommend investing in a separate hygrometer if you’re sensitive to humidity due to, say, allergies or asthma.

Useful Note:

A hygrometer is a device that help measure the humidity levels in your room. Unlike a humidistat, it does not help control humidity.

The water reservoir is easy to detach and clean, making the machine low maintenance. It is a bit notorious for developing leaks, but it has a long five-year warranty.

Vornado’s customer service offers tank replacements promptly.

Overall, Vornado EVDC300 is among the best evaporative humidifiers for budget-conscious homeowners.

Feature

Details

Type of Humidifier

Evaporative

Coverage Area

750 sq. ft.

Water Tank Capacity

1 gallon

Run Time

24 hours

Dimensions (H x L x D)

12.20 x 13.2 x 7.8 inches


5. Vornado Evap40

Low Maintenance Humidifier

4.3

Overall Score


Ease of Use

4.2

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Humidifying Ability

4.2

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Value for Money

4.5

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Who is Vornado Evap40 best for?

The Vornado Evap40 humidifier is an excellent option for those looking for a low-maintenance unit that's simple to clean.

Pros
  • Simple to clean and maintain
  • Decent humidity output (particularly for small homes)
  • Reliable and long-lasting
CONS
  • No digital humidistat
  • Water tanks are hard to fill
  • Pretty loud

If you’re asthmatic like I am, it’s vital that you keep your evaporative humidifier squeaky clean. Vornado’s second entry on my list makes regular cleaning a breeze with its simple design.

The Evap40 consists of only four parts — the base, two water tanks, and a fan.

It's straightforward to disassemble, and the simple components don't have sensitive electronics or deep grooves. It's easy to clean and prevent mold or bacterial infestation.

Vornado Evap40 Water tank

This evaporative humidifier is reasonably powerful, too, sitting somewhere between Vornado EVDC300 and Aircare Space Saver. It has enough punch to humidify a small home, adding moisture to the air in a couple of hours.

“But wait,” I hear you say, “did you mention two water tanks?”

Indeed I did! The Evap40 splits its 4-gallon capacity between two 2-gallon tanks. That makes them easier to fill since you’re not trying to hold one huge, heavy reservoir.

Granted, getting water in the tanks is pretty difficult until you learn how to get the water past the valves. I wish they had a simpler filling orifice.

The Evap40 technically has a humidistat, but it’s a simple twist knob with no digital display. 

You really need a separate hygrometer for monitoring your home’s humidity.

Yet, with no complex electronic sensors, there’s not much to break in the Evap40. Thanks to easy cleaning, you can get many years of faithful service out of this humidifier.

Feature

Details

Type of Humidifier

Whole House

Coverage Area

1000 sq. ft.

Water Tank Capacity

4 gallons

Run Time

24 hours

Dimensions (H x L x D)

13.50 x 10.5 x 19.5 inches


6. Pure Enrichment MistAire Eva

4.0

Overall Score


Ease of Use

4.0

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Humidifying Ability

3.5

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Value for Money

4.5

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Who is Pure Enrichment MistAire Eva best for?

The Pure Enrichment MistAire Eva unit is an excellent option if you want to add very clean humidity to a small space, like a single room.

Pros
  • Excellent filtering system
  • Long-lasting filters
  • Small and portable unit
  • Quiet operation
CONS
  • Expensive and hard-to-find replacement filters
  • Low humidity output
  • No humidistat

With bad allergies or asthma, you might need to take extra steps to maintain high air quality in your home. Although humidifiers don’t clean the air, Pure Enrichment MistAir Eva can help you combat airborne pathogens.

This unit uses one of the most advanced filter systems I’ve seen.

The filters have an antibacterial coating that lowers the chance of microbes multiplying in their folds.

The humidifier also has an auto-dry function. Once the water reservoir runs dry, the unit begins to blow air over the filter to dry it and prevent mold growth.

As a result, the filters can stay effective for much longer than even in the reliable Vornado Evap40. They are pretty expensive and hard to find in stock, though.

The MistAire Eva competes with Honeywell for the lowest humidity output on my list. That's not a bad thing, though, since this unit is intended for smaller rooms. 

It's still quite effective at raising the humidity, even in medium-sized rooms.

With its colorful LED night light and low noise level, this unit can be good for bedrooms.

I’d personally pick the Honeywell for my bedroom, but MistAire Eva is a solid choice for very clean nighttime humidification.

Pure Enrichment MistAire Eva LED Light
MistAire Eva doesn’t have a humidistat, so a separate hygrometer is a necessity.

It does have a neat timer, though, so you can set it to run for a certain number of hours to prevent over-humidification.

As a side note, Pure Enrichment claims its products are Energy Star-certified — which is curious as Energy Star doesn’t rate humidifiers.[1]

As long as you’re not looking to humidify big spaces, Pure Enrichment MistAire Eva is a great option for adding clean moisture to your home air.

Feature

Details

Type of Humidifier

Evaporative

Coverage Area

500 sq. ft.

Water Tank Capacity

2.8 litters

Run Time

25 hours

Dimensions (H x L x D)

13.40 x 9.3 x 9.3 inches


7. Honeywell HCM-350

4.0

Overall Score


Ease of Use

4.0

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Humidifying Ability

4.0

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Value for Money

4.0

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Who is Honeywell Cool Moisture best for?

Honeywell Cool Moisture humidifier is a good, quiet option for humidifying your bedroom or a baby's nursery.

Pros
  • Quiet operation
  • Efficient single-room humidification
  • Durable and reliable
  • Works for babies and children
CONS
  • No humidistat or auto-shutoff
  • Big unit
  • High maintenance

Dry air in your bedroom can make you snore and cough all through the night (as I know all too well). Honeywell HCM350 is a quiet evaporative humidifier that can help you sleep peacefully.

I usually hesitate to bring evaporative units into the bedroom because of their noisy fans.

However, the HCM350 is a pleasant surprise in the audio department. At the lowest fan setting, you can barely hear it.

Even in the medium setting, it’s not overly loud and can actually provide nice white noise to help you relax. 

The highest fan speed does get louder, but it’s still not as bad as Aircare Space Saver or Vornado Evap40.

Power-wise, this is likely the weakest humidifier on my list — but that's not the entire story. The HCM350 is designed specifically for bedrooms. It produces plenty of humidity to help you sleep better, even in a more oversized bedroom.

The unit features a UV light that kills bacteria in the water tank, according to Honeywell.

I’m not convinced regarding how much cleaning this feature provides, but it certainly won't do you any harm.

The water tank is pretty small (although still bigger than Pure Enrichment’s tiny one). That said, it should hold enough water to last the night.

Honeywell HCM-350 Water tank

Note that this unit doesn’t have auto-shutoff.

Useful Note:

Auto-shutoff is a feature which allows the humidifier to automatically turn off when the water tank gets empty.

Like the Pure Enrichment unit, it doesn’t feature a humidistat either, so you’ll need a separate hygrometer. This unit is also pretty bulky, so it can be difficult to find a suitable spot for it.

If sleeping in a well-humidified room matters to you, Honeywell HCM350 is the best humidifier option — for babies and adults.

Feature

Details

Type of Humidifier

Evaporative

Coverage Area

-

Water Tank Capacity

1 gallon

Run Time

24 hours

Dimensions (H x L x D)

13.30 x 18.58 x 10.39 inches


8. Aircare D46 720 Tower

3.8

Overall Score


Ease of Use

4.0

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Humidifying Ability

3.5

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Value for Money

4.0

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Who is Aircare D46 720 Tower best for?

Aircare D46 720 Tower is the best choice for those who need precise humidity levels — and want a good-looking unit.

Pros
  • Great humidity controls
  • Good humidity output
  • Doesn’t take much space
  • Sleek, modern appearance
CONS
  • Cheap build quality
  • Water tanks are difficult to fill and clean
  • Loud at highest setting

Some conditions, like my asthma or allergies, require precise humidity control — and you should monitor humidity to prevent mold growth, anyway. Aircare’s D46 720 Tower model makes keeping humidity levels in check easy.

The Tower unit’s humidistat is very good for a console humidifier. It can’t compete with AprilAire 700’s top-notch dual sensor, but it’s better than that found on other listed units — including the other Aircare ones.

On top of the good humidistat, you get an auto-shutoff feature and indicator lights for tank refills and filter changes. 

The Tower does a great job at keeping you informed about its status and your home’s humidity.

Like the Evap40this unit has two detachable tanks. They’re lighter to carry, but filling them can be a hassle because of their long, thin shape. That can also make them hard to clean.

The Tower isn’t as powerful as its Aircare brethren, but it more or less matches the Evap40. In other words, it has enough kick in it for small to medium homes.

This is also one of the most aesthetic humidifiers I've seen. The dark, sleek look is easy on the eyes, and the tower shape also makes finding a nice spot for the humidifier easier.

Unfortunately, the build quality doesn't match the pretty looks.

Some of the parts feel pretty cheap, especially the tank attachment clips. Be careful when handling this unit, or you might break it.

The Tower is also quite loud beyond the lowest settings, and the water tanks occasionally gurgle, like with the Evap40. In my opinion, though, the humidity controls more than make up for the noise.

Feature

Details

Type of Humidifier

Evaporative

Coverage Area

1200 sq. ft.

Water Tank Capacity

2 gallons

Run Time

50 hours

Dimensions (H x L x D)

26.5 x 15 x 10 inches


Top Evaporative Humidifiers Compared

Preview

Name

Rating

Coverage Area

Price

AIRCARE MA Whole-House Console-Style...

Aircare MA1201

4.8

3600 sq. ft.

AIRCARE Space Saver Large Evaporative Whole...

Aircare Space Saver 831000

4.6

2700 sq. ft.

AprilAire 700 Whole Home Humidifier,...

AprilAire 700

4.4

5300 sq. ft.

Vornado EVDC300 Energy Smart Evaporative...

Vornado EVDC300

4.3

750 sq. ft.

Vornado Evap40 4-Gallon Evaporative...

Vornado Evap40

4.3

1000 sq. ft.

Pure Enrichment® MistAire™ Eva - Mist-Free...

Pure Enrichment MistAire Eva

4.0

500 sq. ft.

Honeywell Cool Moisture Humidifier, Medium...

Honeywell HCM-350

3.8

-

AIRCARE D-Series Small Home/Large Room...

Aircare D46 720 Tower

3.8

1200 sq. ft.

How To Choose The Right Evaporative Humidifier

I’m aware I’ve given you a long list of evaporative humidifiers — some of which might seem quite similar. Perhaps you’re wondering what exactly you should be looking for in your ideal unit.

Here’s my breakdown of the key considerations when browsing evaporative humidifiers.

Consider The Overall Coverage Area

humidifier sqft coverage

Not every evaporative humidifier works with every home. Most units list their ideal and maximum coverage areas in square feet. 

I recommend picking an evaporative humidifier that matches the room size you want to use it in.

Smaller humidifiers, such as the Honeywell unit on my list, will struggle to increase the humidity level in a large home.

Vice versa, a powerful humidifier, like Aircare MA1201, can introduce too much moisture to the air and create an ideal environment for mold and dust mites.

What are the Optimal Humidity Levels

In addition, I strongly advise looking for units with a built-in humidistat or buying a separate hygrometer.

You can then monitor the humidity level and avoid turning your home into Mold City.

Total Operating Time And The Water Tank Size

An evaporative humidifier’s operating time describes how long it can run before its water tank needs a refill. This is a factor of tank capacity and how much humidity the machine produces.

For example, the Vornado Evap40 has a four-gallon capacity and a four-gallon maximum daily output, so it can run for more than 24 hours (on a low setting).

Do a bit of basic math to find a unit that fits your schedule.

Determine Your Budget - Prices Vary Drastically

Evaporative humidifiers are generally cheaper to purchase than other types. However, they’re still available at a wide range of prices.

For example, the humidifiers on my list range from around $80 (HoneywellVornado EVDC300) to $180 (Aircare Tower).

And then there are furnace humidifiers like the AprilAire that cost several hundred dollars — before accounting for installation costs.

I suggest determining your budget before you start shopping for an evaporative humidifier.

You won’t waste time browsing through units you can’t afford and can instead focus on finding the features you need.

Consider Energy Efficiency To Reduce Bills

Evaporative humidifiers typically consume more energy than ultrasonic units.

This is due to their fans, which eat up a decent bit of electricity that can impact your monthly utility bill.

If energy efficiency is important to you, look for models with Eco or energy-saving modes, such as the Vornado EVDC300 on my list. These kinds of smart features can help keep your bills in check.

Unfortunately, there’s no guarantee of how effective these energy-saving features actually are.

Useful Note:

Energy Star doesn’t rate humidifiers, so you have no choice but to rely on the manufacturer’s word on efficiency.

Filters Can Rack Up The Costs

One of evaporative humidifiers’ greatest advantages is their wick filter components, which remove impurities from water and can greatly benefit allergy sufferers or asthmatic people (like me). However, not all filters are equal.

If you’re sensitive to air pollution, look for a unit with an antimicrobial filter, such as PureEnrichment MistAire Eva.

These kinds of special filters can rack up your unit's running costs, though.

how often to change evaporative humidifier filters

On average, an evaporative humidifier needs a filter change once a month (twice if you live in a hard water area). Brand-name filters can cost up to $40, which is not an insignificant expense.

You can find cheaper third-party filters on Amazon and other websites, but I can’t guarantee their performance. If you really want to clean the air in your home, I suggest investing in an air purifier.

Noise Level - Evaporative Humidifiers Are Not Entirely Quite

An evaporative humidifier will always produce some noise due to its running fan.

Most manufacturers list their devices’ noise levels in decibels, so I recommend looking for a unit that runs at around 30-40 dB or lower.

This noise level is comparable to a whisper and won’t bother most people, even if you place the evaporative humidifier in your bedroom.[2]

However, the noise level depends on the fan speed, and even quiet humidifiers can get loud if you crank up the power.

For example, the Aircare units I've listed range from around 40 dB at a low setting to around 70 dB at a high — equal to a loud conversation.

I suggest considering where you plan to put the humidifier. If you know it'll be in your living room, and you won't mind a loud fan, you can purchase a bit noisier unit — saving you a few pennies.

Higher Maintenance Than Other Humidifier Types

An evaporative humidifier needs more maintenance than a warm mist or ultrasonic humidifier. You must clean the unit well at least once a week.

Types of humidifiers

Mold and bacteria will begin to grow in a dirty humidifier. If you don’t clean the unit, it will eventually spew these contaminants into your indoor air. I clean my humidifiers every other day to keep my asthma in check.

Additionally, as I mentioned, you must change the filter at least once a month.

The filter will eventually get caked with dust and minerals and might even get moldy, which will seriously hinder your unit’s effectiveness.

If you want a low-maintenance evaporative humidifier, consider installing a furnace unit like the AprilAire 700. These devices only need a filter swap and cleaning once or twice a year, depending on how hard the water in your area is.

Additional Features (Optional)

Many evaporative humidifiers come with handy features that enhance their user-friendliness. Depending on your needs, look for other features like:

  • Timer
    A good range of timer settings can help you run your humidifier safely and efficiently when you're not paying full attention to it, like during nighttime use. (Sometimes, this is labeled as sleep mode.)
  • Automatic shutoff
    Some humidifiers will automatically shut down when their tanks run dry, which can reduce wear and tear in the fan motor and make the unit last longer.
  • Humidistat
    An accurate humidistat helps keep your home's humidity level at the desired setting to avoid under or over-humidification. As far as extra features go, I find this one especially useful.
  • Carrying handles and wheels
    Evaporative units are often portable humidifiers, so anything to make them easier to move around is welcome.

How We Review & Rank Our Product List

At Air Conditioner Lab, our team follows a similar process when evaluating all products reviews before formulating our final lists for readers.

We begin by gathering data sources directly from brands, e-commerce platforms, online retailers and press releases.

These are then added to a master file we use to compare features specifications from all humidifier models. You can access this Humidifier Sheet Here.

Next, we narrow down all the products on the market by evaluating user reviews, ratings and feedback from a wide variety of online and in-person sources.

Our team then discusses and co-ordinates our first hand experiences using these products, as well as gather independent opinions and feedback through Youtube and customer reviews.

What’s The Difference Between Evaporative And Ultrasonic Humidifiers

Evaporative and ultrasonic models are both cool mist humidifiers, but they function quite differently, both from each other and the average humidifier.

ultrasonic vs evaporative humidifiers

An evaporative humidifier sucks water from the tank into a wick filter. A fan blows cool air over the wick, producing water vapor.

An ultrasonic humidifier uses high-frequency sound vibrations to break water into a fine mist. The unit pushes the tiny water droplets into the air, where they evaporate and boost indoor moisture levels.

Ultrasonic humidifiers are silent and can produce more moisture faster, but they’re unfiltered.

As such, they can produce white mineral dust that settles on your home’s surfaces and can trigger allergy symptoms. That’s why I advise people to always use distilled water in most humidifiers.

Evaporative humidifiers have filters, so they don't create white dust while still being effective.

However, the filters need regular replacement, which adds to their cost. They are also bulkier, and the fans can get very noisy (as I've mentioned).


Are Evaporative Humidifiers Worth It?

Evaporative humidifiers can be well worth your investment. They can bring you several health benefits if you suffer from issues caused by dry air.

I'm asthmatic, and my evaporative humidifier has made my breathing a lot easier. They can also be your ticket to breathing filtered, well-humidified air.

Among other things, an evaporative humidifier can:

  • Clear nasal passages of congestion
  • Relieve dry skin and eczema
  • Reduce snoring
  • Alleviate cold symptoms
  • Kill cold and flu viruses[3]
  • Reduce allergy and asthma symptoms

FAQs

What Size Humidifier Do I Need?

The size of the evaporative humidifier you need depends on the size of the space you want to humidify. Humidifying your entire large home needs a bigger and more powerful unit than maintaining healthy humidity levels in a small bedroom.

Where Should I Put My Evaporative Humidifier?

You should put your evaporative humidifier in a central, elevated location in the space you want to humidify while keeping it at least a foot away from walls and other furniture.

Check out my humidifier placement guide for more detailed information.

When Should I Run My Humidifier?

In general, the best time to run your humidifier is just before bedtime to help keep your airway moist overnight. That said, you should run your humidifier whenever you notice symptoms of dry air, like coughing, nosebleeds, dry skin, or more frequent asthma attacks.[4]

How Often Should I Change the Water in My Humidifier?

You should change the water in your humidifier every day. Letting water sit in the humidifier can encourage bacterial and mold growth, and these pathogens could get distributed into your home air.

Do Evaporative Humidifiers Cost More Than Other Humidifiers?

Evaporative humidifiers generally cost less up front than other units, like ultrasonic humidifiers. However, evaporative units require frequent filter changes, which adds to their cost in the long run.

So, Which Should You Buy?

Congratulations — you're now familiar with the top-rated evaporative humidifiers. All that's left for you to do is compare their features and pick the best for your needs!

However, if you need some more guidance, here are my personal recommendations for the best evaporative humidifiers:

My #1 Recommendation
Aircare MA1201

  • Strong humidity production for the size
  • Low height - good portability
  • Easy to use auto-shutoff mode
  • Great value for money
  • Low maintenance needed

References: 

  1. https://energystar-mesa.force.com/ENERGYSTAR/s/article/Are-there-ENERGY-STAR-certified-humidifiers-1600088469266
  2. https://www.iacacoustics.com/blog-full/comparative-examples-of-noise-levels
  3. https://ehjournal.biomedcentral.com/articles/10.1186/1476-069X-9-55
  4. https://health.clevelandclinic.org/how-you-can-tell-if-you-need-a-humidifier/
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Ile Kauppila

MA Multimedia Journalism / BA English Philology

Ile Kauppila
Ile Kauppila is a globetrotting writer and editor living in Virginia. Ile holds an MA degree in Multimedia Journalism and a BA in English Philology. Ile has written for a variety of home, HVAC, and energy-related websites and publications. He has covered HVAC solutions, insulation, and energy-efficient construction, automotive AC systems for multiple auto dealerships and garages.

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Ansio Ultrasonic Room Humidifier

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