The Best Humidifier For Large Rooms – Reviews and Top Picks

The Best Humidifier For Large Rooms – Reviews and Top Picks

You have heard all the stories - Your friends and family members have told you how great their home environment has become. Once they started using a humidifier to moisturize their rooms. You would like to get one for your home. But you have larger rooms and the small portables won’t work.

Don’t fret. There are portable humidifiers that moisturize larger rooms. Finding the best humidifier for a large room is not too difficult. We have done the hard work for you. We reviewed the 5 best humidifiers for large rooms.

Keep reading to find all the information you need to make an intelligent purchase. And why we picked the Air Innovations Digital Humidifier as the best large room humidifier.

Why Use a Humidifier

The answer to that question is simple. Humidifiers help improve the quality of the air in your home. Doesn’t matter if they are small or large portable types or whole house humidifiers. Here are some of the reasons why you should put a humidifier in your larger rooms:

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    Stop static electricity
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    Helps relieve congestion and other sinus problems
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    Helps in healing from colds, allergies and asthma
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    Helps prevent nose bleeds
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    Helps stop snoring

For most wives, number 5 is the reason to get a humidifier. But do consider the other reasons. Having a healthier environment means you get a better quality of life.

Our Best Large Room Humidifier Quick Comparison Chart



Room size

Reservoir Capacity

Editor's Rating



6 liters



6 liters



2.15 gallons



1500 ml


Large +

1+ gallons

Our Large Room Humidifier Reviews

Elechomes CH352 Cool Mist Humidifier Review

The best large room humidifier will bring something special to any competition. This unit stands out for its remote-control action. Now you do not need to leave your comfortable seat to change the humidifier settings. Just pick up the remote and click away.

Also, to be the best you need to be versatile. This unit has versatility as it will dispense cool or warm mist and act as a vaporizer and essential oil diffuser. You cannot beat versatility.

This is all based upon the sound foundation of standard equipment found on most humidifiers. The unit has 360-degree mist nozzle rotation, auto-shutoff, LED display on its touch control panel, timer and timer.

It runs for up to 12 hours at a time on its 6-liter water capacity and 3 power settings. The replaceable built in filter removes limestone, germs and other contaminants before they reach your room’s air.

All of this without the motor making too much noise. The technology that brings you all of those features also brings you intelligent operation. This humidifier will monitor humidity levels and automatically adjust its settings.

This humidifier came to this best large room humidifier competition prepared to win it all.

Things We Liked
  • Remote control
  • Timer
  • Up-to-date technology
Things We Didn't Like
  • Control panel buttons logistics
  • Loud beeps from auto-shutoff

Elechomes CH352 Cool Mist Humidifier Review

This unit is not prepared to be left in the dust in this competition. Its 6-liter reservoir allows this unit to operate for up to 36 hours. It also has a remote-control, so you do not have to interrupt your work or other activities to change the settings. A click or two and you can go back to what you were doing.

This humidifier can change the humidity levels in your room 25% faster than some other brands. Its versatility, warm/cool mist, and 3 speed levels makes sure your room is fully moistened.

Other features include an auto-shutoff switch, one touch control panel, LED display and a humidistat. You can know the exact level of humidity in any room you use this unit. The technology that has placed all those features in one package also gives you automatic mist adjustment.

It will monitor the level of humidity in your room and adjust accordingly. Plus, this technology keeps the noise of the motor to 36 dbs. You also get a 2-year warranty with lifetime support from the manufacturer.

The competition for the best humidifier for large rooms is not going to be a simple one.

Things We Liked
  • Quiet motor
  • Up-to-date technology
  • 2-year warranty
Things We Didn't Like
  • Some humidistat issues
  • Weal reservoir construction

Air Innovations Cool Mist Dual Tank Digital Humidifier Review

This uniquely designed humidifier will bring your home into the space age. It is also not a push-over in this competition. The manufacturer has added anti-microbial technology to its plastic construction materials. This means that this unit will fight bacteria and other germs before they get a foot hold in the humidifier.

There is no need to worry about replacing filters as this unit comes with ceramic ones that are designed to last a lifetime. What is also unique about this humidifier is its control panel. Its LED display has a humidistat, so you know the exact humidity level of any room.

Its 6 button controls make this an easy unit to operate. Plus, its 5 mist settings and rotating mist nozzle provides you with all the moisturizing coverage you and your room need.

You wont wear yourself out refilling this humidifier. Its 2.15-gallon reservoir (dual tanks) allows to skip refilling the tank for up to 120 hours. This continuous operation depends upon the settings you use.

Like all the other modern humidifiers, the manufacturer has used technology to silence its motor. This same technology has enabled this humidifier to quietly humidify a room up to 700 square feet. 

Things We Liked
  • 700 sq. ft. of coverage
  • Unique design
  • Dual tanks
Things We Didn't Like
  • Refilling problems
  • Filters are fragile

Exqline Essential Oil Diffuser Humidifier Review

This unit may not be as fancy as the others, but it still gets the job done. It may be the best large room cool mist humidifier in this competition. It runs on 1500 ml. of water or roughly ½ gallon. This reservoir allows for up to 20 hours of continuous operation.

One of the advantages this unit has is its BPA free construction. No need to worry about harmful chemicals seeping into the water reservoir. The ultrasonic technology keeps the motor running at or less than 35 dbs.

But those are not its only features. Its one touch control makes operating this humidifier simple. Also, its on/off knob allows you to set the humidity level for your room. Its 7-light display has a bright or dim switch. You can use the lights for aromatherapy or if you are in a romantic mood.

Along with those features, this unit has the standard auto-shut off and 360-degree mist nozzle rotation.

It only has a 1-year warranty but that doesn’t mean you will not get great customer support after the warranty expires. Exqline promises quality lifetime customer service. The room capacity varies between 325 square feet and 450 square feet.

Things We Liked
  • Simple controls
  • Quiet motor
  • BPA free materials
Things We Didn't Like
  • Refilling issues
  • Condensation and water splashing issues

Honeywell HCM-6009 QuietCare Humidifier Review

Honeywell is a trusted name in air cooling and humidity appliances. They have been making quality products for decades. This unit does nothing to detract from that reputation.

Its dual tank water reservoir provides over 10 hours of continuous service. These tanks also have an extra wide mouth making refilling a lot easier. Cleaning the tanks is not a difficult task with these openings.

Its quiet care technology has the motor making 30% less noise than other brands. Its adjustable humidistat controls the unit, turning it off and on when needed.

The replaceable wicking filter is designed to reduce any white dust emissions as well as hindering other contaminants from reaching your room’s air. For best results you need to use the Honeywell designed wicking filters.

These filters are also treated with an anti-microbial compound to discourage mold growth. Other features include 3 speed mist settings, and wheels. These wheels make moving the unit from room to room very easy.

It is specially designed to handle those larger or extra-large rooms in your house. Just be forewarned that the higher power settings may raise the noise level of the motor.

Things We Liked
  • 3 speed setting
  • Wheels
  • Dual tanks
Things We Didn't Like
  • No handles on water tanks
  • Motors not as quiet as advertised

The Benefits Of a Large Room Warm Mist Humidifier

Every version of humidifiers has their own benefits. Some overlook these when they hear the words warm mist. They have bee warned by doctors and others that warm mist humidifiers are dangerous. This is not so. Here are some benefits of a warm mist humidifier:

  • Saves on your energy bill - warm mist, especially in cool climates, will heat up a room so you can turn your thermostat down.
  • Kills bacteria and other germs - there are germs and bacteria that cannot survive in warm temperatures. The warm mist humidifier kills these germs before they become a problem.
  • Inexpensive - they cost less than other varieties of humidifiers.
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    Prevents dry skin and other problems related to colds, asthma and allergies.
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    Protects wood & home furnishings.
Best Humidifier Large Rooms

How To Clean Your Best Large Room Humidifier

We cannot stress cleaning your humidifiers enough. If you want a healthy living environment, then you need to practice good humidifier hygiene. It doesn’t matter which variety of humidifier you purchase, they all need cleaning. Some just more often than others. Here are some basic tips on how to clean your humidifier:

  • Rinse the filter (if it has one) - just let it air dry and do not use any cleaning solutions.
  • Soak the water reservoir in a vinegar and water mix for about one hour. Then rinse thoroughly.
  • Wipe the rest of the humidifier down with a sponge dampened by the same vinegar and water mix.
  • You can also use a bleach and water mixture or even a peroxide and water mix to disinfect the humidifier.

You may want to also try pure vinegar without the water. Whichever you prefer.

And The Winner Is

We gave this away in the first section. The best large room humidifier in our opinion is #3, the Air Innovations Cool Mist Dual Tank Digital Humidifier. What can we say. Everything this humidifier had topped the convenience of the remote control.

The 120 hours of continuous operation, the dual tanks, the LED display and other features just overwhelmed the tough competition. The 2.15 reservoir capacity keeps cleaning and refilling to a minimum.

The 5 speed settings, rotating mist nozzle and the 700 square feet of coverage also impressed us.

Best Humidifier For Large Rooms

What To Look For In The Best Large Room Humidifier

When you go looking for the best humidifier for large rooms, the square footage is not the only criteria it must meet. You need key features like:

  • Lack of noise
  • Settings
  • Humidistat
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    Simplicity in operation
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    Reservoir capacity
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    Warranty & customer service
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    And more

Some Final Words

Purchasing the best humidifier for a large room is not as stressful or as daunting a task as it sounds. All you need to do is read reviews, do your homework, and decide what kind of humidifier meets your needs and budget.

It is better to go into the showroom prepared than to walk in unaware and be sold something that does not do the job you need it to do.

You may not agree with our selection of the best large room humidifier. Or you may not like a large room warm mist humidifier because of the risks involved. That is okay. You need to get the humidifier that makes you comfortable.

You also need to purchase one that does not break your budget. Not all expensive humidifiers work well and not all cheap ones perform up to expectations. Get the one that fits your needs.

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