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Best Humidifiers for Large Rooms in 2023

Parched indoor air is a common problem in our homes, especially during winter when thermostats heat away from all the moisture. Living in dry air is very uncomfortable and irritating and often leads to various health complications, such as sinus infections, asthma flare-ups, colds, and other respiratory illnesses.

Best Humidifier for Large Rooms


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Our bodies naturally require moisture from the air to function properly. Without proper humid conditions, we experience cracked lips, itchy skin, irritated throats, and bloody noses as a result of dry air. Having the right humidifier is therefore very important.

However, the buck does not stop with just owning a humidifier. There are factors to consider when looking for the right humidifier for a large room.

Our Recommended Humidifiers for Large Rooms in 2023

Honeywell HCM350W

For humidifying a large bedroom or office, the Honeywell HCM350W is a great choice. It relies on a 1-Gallon water tank that produces 24-hours-worth of humidity.

When using this humidifier, there are three humidification settings you can choose from. Each humidification setting makes it easy to produce the exact amount of humidity you need. But, what’s really cool is that it’s impossible to over humidify, due to this humidifier’s evaporative technology.

Every now and then, you will need to clean this dehumidifier. But, fortunately, doing so is extremely easy. The water tank is wide, which allows for very easy access.

Honeywell Cool Moisture Humidifier, Medium...
  • CLEANER INVISIBLE MOISTURE – Honeywell Cool Moisture Humidifier effectively brings...
  • EVERYDAY COMFORT – This humidifier for home features evaporative technology that...

Levoit Humidifiers For Large Room

From Levoit, we have the Levoit Humidifiers For Large Room. Just as the name implies, this humidifier is designed for large rooms. To accommodate that, it uses a 6L water tank, which allows for 36-hours of uninterrupted humidity.

While using this humidifier, you can choose between warm and cool mist. It doesn’t matter if you want warm or cool mist, because this humidifier allows for both types of humidity to be produced.

To make the humidification experience even more pleasant, it comes with an essential oil diffuser. By using this diffuser, the humidity being produced will have a nice scent.

LEVOIT Humidifiers for Bedroom Large Room...
  • 𝙃𝙄𝙂𝙃-𝙀𝙁𝙁𝙄𝘾𝙄𝙀𝙉𝘾𝙔, 𝙁𝙊𝙍...
  • 𝙋𝘼𝙏𝙀𝙉𝙏 𝙒𝘼𝙍𝙈 𝙈𝙄𝙎𝙏 𝙏𝙀𝘾𝙃 𝙁𝙊𝙍...

Levoit Humidifier Classic 300S

The Levoit Classic 300S syncs to your smartphone via the VeSync app, which allows you to remotely turn it on and off, adjust mist level settings, set desired humidity levels, set up reminders, and send voice prompts. There’s also an essential oils tank that can accommodate a few drops of your favorite fragrance to perfume a room.

The tank’s design makes filling and cleaning the tank easier, it comes with a built-in night light with two brightness levels, and there’s also an auto-mode that shuts the motor off after achieving desired indoor relative humidity. At most, this unit can run for 60 hours straight on a single 1.5-gallon tank refill.

LEVOIT Humidifiers for Bedroom Large Room...
  • 𝙀𝙛𝙛𝙤𝙧𝙩𝙡𝙚𝙨𝙨 𝘾𝙤𝙢𝙛𝙤𝙧𝙩 𝙬𝙞𝙩𝙝...
  • 𝙋𝙤𝙬𝙚𝙧𝙛𝙪𝙡 𝙖𝙣𝙙 𝙀𝙛𝙛𝙞𝙘𝙞𝙚𝙣𝙩...

Everlasting Comfort Cool Mist Humidifier

The humidifying power of the Everlasting Comfort Ultrasonic Humidifier is above average but not exceptional. This makes it a good option for a room that is a little larger than typical (up to 500 square feet) thoroughly humidifier from corner to corner.

However, you’ll need to take into account the fact that it’s a bit of a hassle to clean. Like any modern-day humidifier, this unit comes with an essential oils tray to introduce fragrance into a room. At most, this unit generates just 30 dBa of noise, which is hardly audible, even when placed right beside your ear. For any parents looking for a humidifier for their nursery, the Everlasting Comfort is a great option.

Everlasting Comfort Air Humidifiers for...
  • 50-HOURS OF CONTINUOUS MIST: Enjoy extended relief with our cool mist humidifier for...
  • PERFECT FOR ANY ROOM UP TO 500 SQUARE FEET: Create an oasis of comfort in any space with...

Elechomes Warm and Cool Mist Humidifiers SH8820

The Elechomes SH8820 is one of the more unique humidifiers available today. For starters, it allows you to disperse either warm or cool mist into the air, making it great for general-purpose humidifying and keeping ill family members cozy in their bedrooms.

This unit has a maximum reach of 775 square feet while also being able to run for about 55 consecutive hours per 1.45-gallon tank refill. The SH8820 also has an essential oils tray, which pretty much comes standard with most far-reaching humidifiers. Overall, this humidifier is a highly versatile tool, though we wish it came with more features.

Elechomes Humidifier for Large Room Bedroom...
  • TOP FILLING & NO LEAKAGE: Elechomes SH8820 humidifier enables you to fill the water tank...
  • DESIGN FOR LARGE ROOM: Equipped with a 5.5L large water tank, no need to fill the water...

Types of Humidifier

Humidifiers are classified based on the mechanism they use to propel moisture into the air. They include:

Warm Mist Humidifiers boil water and release it as warm mist. They are very soothing during the cold season, due to the warmth produced.

Evaporative Cool Humidifiers produce cool mist by blowing air over a wet wick.

Ultrasonic Humidifiers use high-frequency vibrations that split water to tiny mist droplets that are then released into the air. They are the most efficient with the highest mist output, low power usage, and low noise levels.

Impeller Humidifiers are also referred to as air purifiers. They have rotating damp discs that trap particulates and airborne impurities from the water, before releasing cool mist into the air.

Humidifier for Large Rooms

FAQs

How do I select a humidifier for a large room?

What most people do not know is that humidifiers are designed for different room sizes. Therefore, having the wrong humidifier could potentially lead to less moisture in a large room or excessive moisture levels in a small room.

Humidifiers are designed to cover spaces in square feet. It is therefore important to know the real measurements of your room to enable you to determine which humidifier will work for you. Any space measuring 500 sq. feet and above is considered a large room and you will need a humidifier with the highest mist output.

Ultrasonic humidifiers produce the most mist and should be considered first. Alternatively, you may opt for evaporative models; they are second to ultrasonic humidifiers when it comes to mist output.

How do I regulate the amount of moisture in the room?

Many humidifiers have internally installed humidistats that keep track of the moisture levels in the room. Once a pre-set humidity level is reached, the humidifier will turn off automatically. It is also possible to work with a humidifier with no humidistat.

Just have a small hygrometer that will monitor the moisture level in the room. You can then manually switch off the humidifier once the desired humidity level is reached.

Is cool mist or warm mist better?

Should I be concerned with the noise output of the humidifier?

You would expect that large units would produce more noise compared to smaller units. However, this is not always the case. The level of noise produced is not reliant on the size of the humidifier, but rather on the model.

Therefore, if you fancy a serene and quiet environment, then go for ultrasonic models. They are the quietest models, producing a low humming sound while in operation, but they are also more expensive. Warm mist humidifiers also produce less noise.

However, most of them are not designed for large rooms. The only alternative you have left are the evaporative cool models. Unfortunately, they are quite noisy, and you should only consider them if you do not mind a bit of noise in the room.

The best humidifier for a large room

Health Concerns I Should be worried about?

The water in the humidifier may become a breeding ground for disease-causing bacteria and viruses. You should ensure that the water is drained off regularly, especially if you plan on storing it away for a long time. Furthermore, you should look for a unit with a descaling filter.

With a filter, the humidifier will use hard water with ease. It will remove all the dust particles and minerals that may lead to limescale buildup in the unit. Also, you should replace the filter regularly to prevent you from inhaling contaminated mist.

What about maintenance?

Humidifiers require regular maintenance for them to function properly. The good thing is that all humidifiers do not require much in terms of maintenance. The most important thing to note is that the water tank has to be cleaned and emptied to prevent bacteria and mold build up.

Before using it, make sure you drain the tank, clean it, and dry it. You may use vinegar to get rid of residues and a bleaching solution to disinfect it. You should also monitor the outlets to ensure the mist flows out smoothly.

If you go for the cool mist models, then ensure the wick filter is replaced periodically. Ensure you go through the manufacturer’s manual to know all the maintenance requirements.
The Best Humidifier for Medium & Large Rooms


Our Recommended Humidifiers

Most Popular The Pure Enrichment MistAire safely and quickly moisturizes dry air for up to 25 hours so you can breathe easy and get more restful sleep. High and low-speed settings combined with a 360° mist nozzle help you consistently balance and regulate the humidity in your home all year long for relief from cold-like symptoms and sinus issues.

Cool & Warm The Levoit LV600HH has everything you’d want in a humidifier, including options for both cool and warm mist and an aroma diffuser for essential oils. It comes with a large water tank and remote control.

Best of the Best The Everlasting Comfort Humidifier is equipped with ultrasonic technology and produces near-silent frequency so you can comfortably ensure your home’s optimal humidity level. An essential oil tray is included to circulate fragrant oils into the cool mist, giving you a pure and fresh smelling aroma throughout your home.

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Last Update: 2024-02-25 | Affiliate links/Images from Amazon Product Advertising API

About the author

Hi I’m Alex, founder of HouseholdMe.com and I’d like to say thank you for dropping by. Like most of you, the first thing I look at before buying something online is reviews or buying guides. By reading what other people say will help me gauge whether or not a product is good or not.  I am trying to help people find answers, solve problems, and get inspired.

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