Top 10 Best Humidifiers for Large Rooms and Offices (Reviews & Buyers’ Guide 2021)

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Levoit Humidifier for Large Room LV600HH
  • Best humidifier for large rooms and offices overall
  • Includes a remote control and a built-in humidity sensor
  • 1.59-gallon tank allows for 60 hours of continuous use and covers 753 square-foot areas
Our Rating: 5.0/5.0
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#1-Top Expert Choice
Everlasting Comfort Cool Mist Humidifier for Large Room
  • Best large room humidifier for the money
  • 1.5-gallon tank releases mist at up to 9 ounces per hour, runs for up to 50 hours, and covers up to 500 square-foot rooms
  • Features a blue LED night light and <30 dB whisper-quiet operation
Our Rating: 4.9/5.0
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#2-Premium Choice
Levoit Humidifier for Large Room Classic 300S
  • Compatible with the VeSync app, Amazon Alexa, and Google Assistant for smartphone remote control and hands-free control
  • Convenient top-fill tank, 360-degree rotating mist nozzle, and essential oil tray
  • Optional night light and <30 dB whisper-quiet operation
Our Rating: 4.8/5.0
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#3
Elechomes Humidifier for Large Room SH8830
  • Largest mist coverage (831 square feet); 1.72-gallon tank allows for mist output at 24 ounces per hour
  • Ultra-quiet operation at <20 dB
  • Includes a remote control with a 16.4-foot range and features a “set-and-forget” auto mode
Our Rating: 4.7/5.0
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#4
Amazon Basics Ultrasonic Humidifier
  • One of the most affordable office humidifiers
  • Whisper-quiet operation; produces mist at 12 ounces per hour
  • Essential oil tray, adjustable nozzle, and manual knob controls to set the 12- or 24-hour timer
Our Rating: 4.6/5.0
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#5
iTvanila Humidifier for Large Room
  • Swan-like shape and minimalist white design
  • Built-in dual filtration system with activated carbon for clean mists
  • Humidistat and LED light ring accurately indicate the humidity level; features a remote control with a 16.4-foot range and auto mode
Our Rating: 4.5/5.0
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#6
AILINKE Ultrasonic Humidifier
  • Large 2.11-gallon tank eliminates the need for frequent refills
  • Intuitive touch controls, humidistat, and remote control with a 16.4-foot range to adjust between 3 mist settings
  • Tall space-saving design with top lid makes it easy to refill
Our Rating: 4.4/5.0
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#7
Mooka Humidifier with Humidistat
  • Large top-fill design for easy refills
  • Touch controls for adjusting the humidity level from 45% to 90% and setting a 1- to 8-hour timer
  • Water window allows for easy viewing of water level
Our Rating: 4.3/5.0
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#8
Homasy Cool Mist Humidifier
  • Most affordable large room humidifier on the list
  • 5.9-inch wide top-fill design
  • 360-degree rotating nozzle allows you to direct the mist in any direction
Our Rating: 4.2/5.0
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#9
Hupro Air Humidifier for Large Room
  • Twp 360-degree nozzles direct the mist in two different directions
  • LED screen with a sensitive touch panel and humidistat display
  • 1.59-gallon tank with top-fill design for easy refills
Our Rating: 4.1/5.0
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#10

View the Best Humidifiers for Large Rooms and Offices in the Market Below:

1. Levoit Humidifier for Large Room LV600HH

When it comes to the best humidifiers for large rooms and offices, nothing beats the power and convenience packed in the Levoit Humidifier for Large Room LV600HH.

Dispersing mist at up to 16.9 ounces per hour, this large room humidifier can easily increase the humidity level of office spaces as large as 753 square feet. While it has a sizable 1.59-gallon tank, its slender build and minimalist design can seamlessly blend into any home or office interior.

When set at a low mist level, this Levoit humidifier can run for up to 60 hours, so there’s no need for frequent refills. It even comes with a handy remote control, letting you adjust its settings from afar.

“Set it and forget it” is the name of the game in this office humidifier. Its remote control allows you to set a timer, so you won’t accidentally leave the humidifier on for long, while its built-in humidity sensor helps maintain a comfortable moisture level by adjusting the mist level automatically.

This is exactly why a lot of people with allergies and sinus problems are raving about this Levoit humidifier. Its remote control makes it easy to use, so anyone can operate the humidifier in the comfort of their beds or office chairs. And because it’s an ultrasonic office humidifier, it produces little to no noise, perfect for keeping the peace and quiet (and a healthy humidity level) in an office or bedroom.

Another thing that makes this Levoit humidifier the best office humidifier on the market is that it produces both cool or warm mist. Whether it’s hot or freezing cold outside, you can enjoy a comfortable level of humidity that’s fit for any season.

And if these features aren’t enough, this large room humidifier comes with an aromatherapy tray, in which you can put your favorite essential oils. It’s also designed to be filterless, eliminating the need to frequently replace filters.

Includes: Remote control, cleaning brush, 3 aroma pads (1 pre-installed), 3 absorption pads (1 pre-installed), and user manual
Mist Type: Ultrasonic cool and warm mist
Max. Mist Output: 16.9 oz/h (500 ml/h)
Refill Type: Bottom fill
Tank Capacity: 1.59 gal. (6 L)
Coverage Area: 753 sq. ft.
Max. Runtime: 60 hours
Material: ABS
Weight 4.84 lbs
Dimensions (H x W x D): 11.3” x 7” x 10.5”
Warranty 1-year manufacturer warranty
2. Everlasting Comfort Cool Mist Humidifier for Large Room

Want healthy indoor air quality and everlasting comfort? Then you’re in for a treat with the Everlasting Comfort Cool Mist Humidifier for Large Room.

What makes this one of the best humidifiers for large rooms and offices is its fairly high mist output. Featuring a 1.5-gallon tank, it releases mist at 9 ounces per hour, covering up to 500 square-foot rooms or office spaces. It also runs for up to 50 hours, letting its water supply last for quite a long time before you have to refill it.

Apart from this humidifier’s massive volume, users find it to be the best office humidifier they’ve ever purchased because of its ease of use. They like how they can easily adjust the mist output with the humidifier’s control knob and that they can turn the blue LED night light on or off.

No need to worry about any noise disrupting your good night’s sleep—this Everlasting Comfort Humidifier boasts a whisper-quiet operation at less than 30 decibels. Once it runs out of water, it automatically shuts off, protecting the unit from damage and you from any hazards.

Like the Levoit humidifier, this one has a filterless design, so you don’t have to spend extra on frequent filter replacements. It also features an essential oil tray, giving you a healthy cool mist and a relaxing aromatherapy experience at the same time.

Mist Type: Ultrasonic cool mist
Max. Mist Output: 9 oz/h (270 ml/h)
Refill Type: Bottom fill
Tank Capacity: 1.5 gal. (6 L)
Coverage Area: 500 sq. ft.
Max. Runtime: 50 hours
Noise Level: <30 dB
Material: Plastic
Weight: 3.1 lbs
Dimensions (H x W x D): 11” x 7” x 13”
Warranty: 2-year replacement warranty
3. Levoit Humidifier for Large Room Classic 300S

If you love the quality of Levoit humidifiers but want a more budget-friendly option, the Levoit Humidifier for Large Room Classic 300S is your best office humidifier choice. While it doesn’t come with a warm mist mode, it’s more affordable than the LV600HH, making it perfect for those who are looking for an inexpensive ultrasonic cool mist model.

Like the LV600HH, the Levoit Humidifier Classic 300S features an essential oil tray for a calming misting experience, an optional night light, and a built-in sensor, which automatically adjusts the mist level. Unlike the first Levoit humidifier on the list, this one doesn’t have a remote control, but it is compatible with the VeSync app, Amazon Alexa, and Google Assistant. That means you can operate the humidifier using your smartphone or control it hands-free.

Running at a 30-decibel noise level or lower, this large room humidifier features a whisper-quiet operation, great for bedrooms or offices. Users agree: when it comes to noise, it’s far from the regular ultrasonic humidifiers from the market. They say that it doesn’t create a disturbingly loud gurgling noise that other humidifiers make.

Aside from this, reviewers love that it has a top-fill tank, which eliminates the need to turn the humidifier upside down and unscrew its lid to refill. They also like that despite its incredibly low price, it’s a smart humidifier and has a 360-degree rotating nozzle to direct the mist in whatever direction they prefer.

Includes: 3 aroma pads, cleaning brush, user manual, and quick start guide
Mist Type: Ultrasonic cool mist
Refill Type: Top fill
Tank Capacity: 1.58 gal. (6 L)
Coverage Area: 505 sq. ft.
Max. Runtime: 60 hours
Noise Level: <30 dB
Material: Plastic
Weight 4.3 lbs
Dimensions (H x W x D): 13.4” x 7.5” x 9.6”
Warranty 1-year manufacturer warranty
4. Elechomes Humidifier for Large Room SH8830

Misting spacious rooms won’t be a problem with the Elechomes Humidifier for Large Room SH8830. With a 1.72-gallon tank, this large room humidifier can spread mist throughout a whopping 861-square-foot room at 24 ounces per hour—for up to 72 hours! That’s worth three days of continuous hassle-free use. It’s no surprise why many reviewers find it to be the best humidifier for large rooms they’ve ever used.

Despite its powerful mist output, this Elechomes humidifier features a near-silent operation, running at 20 decibels or lower. It’s also designed with both cool and warm mist options, creating a comfortably humid environment.

Don’t want to leave your cozy bed or chair just to crank up the mist? This Elechomes humidifier is perfect for your needs. It comes with a remote control with a 16.4-foot range, letting you adjust the humidity levels, set a timer, or turn the humidifier on or off from afar. It also has a “set-and-forget” auto mode, so you can enjoy a comfortable humidity level without the need to adjust the unit.

What’s more, this office humidifier has a convenient top-fill design for easy refilling and cleaning, a 360-degree rotating nozzle for changing the mist direction, and an essential oil tray for a misty aromatherapy experience.

Includes: Remote control, brush, 2 aromatherapy pads, and absorption pad
Mist Type: Ultrasonic cool and warm mist
Max. Mist Output: 24 oz/h (700 ml/h)
Refill Type: Top fill
Tank Capacity: 1.72 gal. (6.5 L)
Coverage Area: 861 sq. ft.
Max. Runtime: 72 hours
Noise Level: <20 dB
Material: ABS
Weight: 6.39 lbs
Dimensions (H x W x D): 10.2” x 13.3” x 8.4”
Warranty: 18-month warranty
5. Amazon Basics Ultrasonic Humidifier

Not a fan of humidifiers with too many bells and whistles? The Amazon Basics Ultrasonic Humidifier is your next best office humidifier option. Because it comes with just the right number of features that you need, it’s one of the most affordable yet high-quality humidifiers on the market today.

To prove that this office humidifier is extremely straightforward, it features an auto shut-off mode, which conveniently turns off the unit when it runs out of water, and manual knob controls, which allow you to set it to run for 12 or 24 hours. It has a large enough tank (with 1-gallon capacity) and produces mist at 12 ounces per hour with little noise—great for small office spaces and bedrooms.

While this Amazon Basics humidifier is designed to be, well, basic, it does have a couple of extra features that make it well worth the purchase. Like the other humidifiers on the list, it has an essential oil tray for a relaxing aromatherapy experience. It also comes with an adjustable nozzle, so you can direct the mist without having to move the whole unit.

Includes: Cleaning brush and user manual
Mist Type: Ultrasonic cool mist
Max. Mist Output: 12 oz/h (360 ml/h)
Refill Type: Bottom fill
Tank Capacity: 1 gal. (4 L)
Max. Runtime: 24 hours
Weight: 3.06 lbs
Dimensions (H x W x D): 11.5” x 7.87” x 8.11”
6. iTvanila Humidifier for Large Room

Most humidifiers are designed with clear regular-shaped tanks, allowing you to see water vapors in action. But if you don’t want the dull design of standard humidifiers, the iTvanila Humidifier for Large Room might just be what you need. Sporting a swan-like shape and smooth minimalist design, it’s the best large room humidifier out there that doubles as an elegant piece of decor.

Aesthetics isn’t the only thing that this office humidifier has to offer. Its 1.32-gallon tank allows it to run for up to 50 hours, while its renewable filter with activated carbon purifies the mist it produces.

Reviewers can attest to the fact that this unit doesn’t need frequent refills and that its built-in dual filtration system lets it emit clean and fresh mist. They also love how it makes for a great conversation piece and that its touted whisper-quiet 26-decibel operation is surprisingly true.

With an accurate humidistat and auto mode, this large room humidifier automatically adjusts the humidity in your room to a comfortable level. It also comes with a LED light ring, which indicates the current humidity level, an essential oil tray, and a convenient remote control, so you can adjust the settings within 16.4 feet.

Includes: Remote control and user manual
Mist Type: Ultrasonic cool mist
Max. Mist Output: 12 oz/h (350 ml/h)
Refill Type: Bottom fill
Tank Capacity: 1.32 gal. (5 L)
Coverage Area: 420 sq. ft.
Max. Runtime: 50 hours
Noise Level: 26 dB
Weight: 3.3 lbs
Dimensions (H x W x D): 35.16” x 7.99” x 7.99”
Warranty: 3.3 lbs
7. AILINKE Ultrasonic Humidifier

Sporting the largest tank on the list, the AILINKE Ultrasonic Humidifier is your best large room humidifier choice if you don’t want the hassle of frequent refills. It comes with a 2.11-gallon tank and produces mist at 10 ounces per hour over a 500-square-foot area, among many other features—giving you the best bang for your buck.

Some users report that this large room humidifier fills a room as large as 1,000 square feet with enough moisture, and they love how infrequent and extremely easy it is to refill from the top. Plus, there’s no need to bend over when filling it with water because of its sleek tall design—an added feature that makes it ergonomic, space-saving, and aesthetically pleasing as well.

To add to its ease of use, this office humidifier has intuitive touch controls beside its top lid, a humidistat, and a remote control, letting you adjust the mist settings (low, medium, and high) from 16.4 feet away.

With this large room humidifier, you can have peace of mind knowing that you’ll have a clean, comfortably humid, and, most importantly, safe environment. You can set the timer from 1 to 12 hours and rest easy with its auto shut-off feature, which automatically turns off the unit once it’s out of water.

Includes: Remote control, cleaning brush, and lithium-ion battery
Mist Type: Ultrasonic cool mist
Max. Mist Output: 10 oz/h (300 ml/h)
Refill Type: Top fill
Tank Capacity: 2.11 gal. (8 L)
Coverage Area: 500 sq. ft.
Max. Runtime: 36 hours
Noise Level: 26 dB
Weight: 6.54 lbs
Dimensions (H x W x D): 29.3” x 10.2” x 9.4”
Warranty: 1-year warranty
8. Mooka Humidifier with Humidistat

Designed for users’ ease and comfort in mind, the Mooka Humidifier with Humidistat has the features you need from a humidifier and more. Its ease of use, powerful yet ultra-quiet operation, and super affordable price easily make it one of the best office humidifiers.

Unlike other humidifiers on the market, this one doesn’t come with a clear tank. It does, however, have a water window, giving you an easy way to see the water level and know when to refill it.

But what users love most about this Mooka humidifier is that it’s easy to fill. It’s built with a large top lid, a far cry from the inconveniently tiny bottom-fill design of others on the market. They also like that it’s one of the quietest models they’ve ever had and that it’s compact enough to easily bring anywhere.

While this office humidifier isn’t made for aromatherapy use, it’s more than enough to help you achieve the ideal humidity level in your home or office. It features a built-in humidistat, which accurately detects the humidity level in a room, and intuitive controls, which let you adjust the humidity level from 45% to 90% and set a 1- to 8-hour timer. And when it runs out of water or when its top lid is open, it automatically goes into standby mode, guaranteeing safety with every use.

Includes: User manual
Mist Type: Ultrasonic cool mist
Max. Mist Output: 10 oz/h (300ml/h)
Refill Type: Top fill
Tank Capacity: 1.2 gal. (4.5 L)
Coverage Area: 372 sq. ft.
Max. Runtime: 40 hours
Noise Level: 28 dB
Weight: 3.47 lbs
Package Dimensions (H x W x D): 13.58” x 8.03” x 7.95”
Warranty: 1-year warranty
9. Homasy Cool Mist Humidifier

The most affordable humidifier on the list, the Homasy Cool Mist Humidifier can help you create a healthy indoor space without breaking the bank. But while it falls in a low price range, it doesn’t compromise on quality and ease of use.

Don’t like the fuss of detaching the humidifier’s base just to refill it? No need to worry about any of that with this office humidifier. It features a large top fill design with a 5.9-inch wide opening, so you can just grab a pitcher of distilled water and pour it into the unit without difficulty.

Like the other ultrasonic humidifiers on the list, it runs at a low noise level below 30 decibels. It also has an auto shut-off function, so it turns off by itself once it’s out of water.

With a 1.2-gallon tank, this office humidifier can fill up to a 380-square-foot room with healthy moisture. It also has an adjustable mist level, from low to high, providing your space with an ideal humidity level. Simply rotate its 360-degree nozzle and enjoy evenly dispersed mist in no time.

Includes: User manual
Mist Type: Ultrasonic cool mist
Max. Mist Output: 9.5 oz/h (280 ml/h)
Refill Type: Top fill
Tank Capacity: 1.2 gal. (4.5 L)
Coverage Capacity: 380 sq. ft.
Max. Runtime: 30 hours
Noise Level: 28 dB
Material: Plastic
Weight: 3 lbs
Dimensions (H x W x D): 12.08” x 9.09” x 7.52”
Warranty: 1-year limited warranty
10. Hupro Air Humidifier for Large Room

Last but certainly not least is an ultrasonic humidifier that conveniently comes with both cool and warm mist options: the Hupro Air Humidifier for Large Room. While it’s at the bottom of the list, it offers tons of reasons why it deserves a spot as one of the best humidifiers for large rooms today.

First, this large room humidifier has a feature that cannot be found in most humidifiers on the market: an LED screen with a sensitive touch panel. Its smart yet sleek design blends into any office or home interior and allows for ease of use. This LED screen, along with the humidifier’s built-in humidistat, accurately displays the current humidity level. The unit’s touch control and handy remote control, meanwhile, allows you to adjust the mist between cool and warm and humidity level between 30% to 85%.

Second, it comes with two 360-degree nozzles. That means you can direct the mist in two different directions, allowing for evenly distributed moisture within a 500-square-foot room.

Lastly, this Hupro humidifier features a 1.59-gallon tank, enabling it to run for up to 40 hours. Its top-fill design makes the unit easy to refill, while its <30-decibel whisper-quiet operation and essential oil diffuser make for a calming aromatherapy experience.

Includes: Remote control and user manual
Mist Type: Ultrasonic warm and cool mist
Max. Mist Output: 12 oz/h (350 ml/h)
Refill Type: Top fill
Tank Capacity: 1.59 gal. (6 L)
Coverage Area: 500 sq. ft.
Max. Runtime: 40 hours
Noise Level: <30 dB
Material: Plastic
Weight: 6.07 lbs
Dimensions (H x W x D): 13.9” x 9.8” x 12.2”
Warranty: 1-year warranty