A Detailed Guide On Buying The Best Humidifier for Large Spaces
Last updated on: February 1, 2024.
Humidification might seem simple, but finding the right humidifier isn’t. It can be challenging to arrive at the right unit to add moisture to the dry environment around you. The plentiful options that are available in the different types of humidifiers present in the market can make it difficult to arrive at the right choice, especially for a large room.
Be it warm mist or cool mist humidifiers, or ultrasonic and evaporative humidifiers, you must be fully aware of the requirements of every individual room of your home or the specific large room before you invest in a unit. Make a complete analysis of your expectations and read all the available large room humidifier reviews from the units of your preference.
In this article, we have a list of the best large room humidifiers available in the market. After careful analysis, we have made a list of the most popular large-room humidifier reviews. Take a look at all the available units and the special features in them.
Do humidifiers work well in large rooms?
Yes, large room humidifiers are equipped to effectively add humidity to large spaces. A high-performance whole-house humidifier is even capable of covering a space as large as 4000 sq ft to 5000 sq ft. According to Consumer Reports, when shopping for a humidifier, it’s important to consider the room size, noise level, and ease of cleaning. Large room humidifiers are typically more powerful and can cover a larger area. Finding the right sized model will be able to add moisture to the space in the right measure.
What size humidifier do you need for a large room?
For a typical large-sized room you will need a humidifier of 1 to 3 gallons. Some units might have higher tank capacities as well to carry out humidification with a single refill.
Where is the best place to put a large humidifier?
Finding the right place to place the humidifier is crucial. Even if you have the best whole-house humidifier with large capacity and efficiency, you must place it at the right location to get the desired humidification. The ideal place to keep a humidifier is at the central position of the room in a slightly elevated place. This will be the right location to cover all areas of the room equally.
You must remember that if you have a warm mist humidifier, it must be kept at a safe distance from children and et to avoid burn risks. Irrespective of the type, the humidifier must also be kept away from direct sunlight.
A comparison of the most popular large room humidifiers for 2023
Here we have a list of the best large room humidifiers available in the market. The features built into these humidifiers are excellent choices for maintaining the ideal humidity levels of any room.
|Our Top Pick
|Vornado 4-Gallon Evaporative Humidifier✦ Works in rooms up to 1,000 sq ft
✦ Three Fan Speeds
✦ Energy Efficient Operation
|LEVOIT Humidifiers for Large Room✦ Can cover 753ft² area
✦ Customisable Humidity
✦ Remote Control
|AIRCARE Space Saver Large Evaporative Humidifier✦ Upto 2700 Coverage Area
✦ Trapmax Filter Technology
✦ Auto Humidistat
|ZXBEER Humidifiers for Bedroom Large Room✦ Up to 560 Sq Ft Area
✦ Three mist settings, 12 Hour Timer
✦ Smart Auto Mode
|Everlasting 50-Hour Ultrasonic Cool Mist Humidifiers✦ Multidirectional Mist Output
✦ Upto 500 Sq Ft
|Let’me Quiet Humidifiers for Large Room✦ Intelligent Humidity Control
✦ 3 Level Option
✦ Diffuser Function
|VAGKRI Humidifiers for Large Room✦ Large rooms up to 753ft²
✦ 5 Mist Levels
✦ Night Light
|Calmyst Cool Mist Humidifiers ✦ 401 Square Feet Floor Area
✦ 2-in-1 Ultrasonic Humidifier and Diffuser
✦ 3x Faster Relief
First, on the list, we have the Vornado Evap40 4-gallon Evaporative Humidifier. This unit has been designed to fill the room with humidified air circulation. If you are struggling with a room full of dry air you can be assured that you can leave behind those worries as this humidifier adds moisture.
The Vornado Evap40 4-gallon Evaporative Humidifier is a perfect large room humidifier. It can effectively add moist air to a space of 1000 sq ft. The 4-gallon large evaporative tank capacity is sufficient to cover the large area. A refill of the water tank is required only once every 24 hours. An important feature that makes this evaporative humidifier the best humidifier for large rooms is its adjustable fan speeds. The low, medium, and high fan speeds allow you to select the level of humidification like most humidifiers for large rooms.
With the Vornado Evap40 large room humidifier, you can also adjust the humidity level using the knob until you set it to the desired humidity level. An added advantage along with the large water tank capacity is the ease to clean and maintain the tank, considering the fact that cleaning water tanks is crucial to keep away mold growth.
Blowing dry air and moist air via the two filters that are placed behind the grille handles keeps the surroundings free from allergens and dust mites. The Auto Shut Off feature protects the unit and surroundings by turning off the device once the desired humidity level is reached. This ensures that the humidifier adds moisture only in the required measure. The energy-efficient operation from the Vornado Evap40 makes this an ideal choice as the best large room humidifier for those homes that have energy conservation on electricity bills as a priority.
Does the Vornado Evap40 large room humidifier have the features you expect from high-performance large humidifiers? If yes, visit Amazon.com right away for details on Vornado Evap40 large room humidifier reviews and to bring home this large humidifier at the best offer price!
Pros and Cons of Vornado humidifier:
- One of the best evaporative humidifiers for large rooms.
- Large water tank capacity that needs refill only once every 24 hours.
- Perfect choice for adding moisture and maintaining the relative humidity level of any large room.
- The Vornado Evap40 humidifier for large rooms comes equipped with special features that prevent and resolve dry air problems like dry skin, dry throat, etc.
- Assists to maintain the preferred humidity level with Adjustable humidity settings, Auto shut off, equipped with air filter replacement, removable water tank, etc.
Next on the list, we have a highly recommended model among whole house humidifiers- LEVOIT Warm and Cool Mist Humidifier. The high efficiency and 4x faster humidification from this large room humidifier make adding moisture to an area of up to 753ft² that can last up to 50 hours effortlessly.
The LEVOIT warm and cool mist ultrasonic unit is the best large room humidifier owing to its large 6 L water tank capacity. Despite the large ultrasonic tank capacity it is easy to remove and clean the tank to keep mold growth away. The silent operation from this unit unlike other whole-house humidifiers makes this unit one of the best large room humidifiers that can be used in bedrooms, nurseries, and workspaces.
Keeping the indoor humidity levels maintained with dry air and dry skin issues away is possible with a Built-in humidistat sensor, Auto mode, customization of preferred humidity level, etc. Moreover, this unit is also one of the best humidifiers that have an essential oil tray. Adding soothing mist output to the environment along with your favorite essential oils makes this the best humidifier for a large room. The humidifier connects to a remote system for convenient access as well.
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Pros and Cons of LEVOIT Warm and Cool Mist Humidifier:
- One of the best cool and warm mist humidifiers.
- Best large room humidifier with its large water tank capacity.
- Large ultrasonic tank capacity is sufficient to cover up to 753ft² of the area and last up to 50 hours.
- Although cleaning large water tanks can be strenuous, this ultrasonic model is mess-free.
- Rated as one of the best large room humidifiers with silent operation.
- Equipped with beneficial features like a built-in humidistat, Auto mode, and essential oil tray to add essential oils for aromatherapy.
- Adjustable settings to select desired humidity level and mist levels.
AIRCARE Large Evaporative Humidifier is a sturdy and Smart choice to maintain the desired humidity level in any place. The features built in this unit make it one of the trustworthy evaporative models that makes adding soothing mist to dry air simple. The problems with low humidity levels like dry air, dry skin, dry throat, allergic reactions, etc., can be resolved with effectiveness with the AIRCARE large humidifier.
The large evaporative tank capacity of 6 gallons can maintain the humidity levels for you seamlessly thereby making this one of the best evaporative models. The large water tank capacity can cover an area of up to 2,700 sq ft. The 3 fan speeds in the AIRCARE best large room humidifier and the adjustable built-in humidistat, refill indicator, and check filter indicator provide user-friendly operation in this large room humidifier.
The compact size and easily removable tank make this a preferred choice among portable humidifiers. Do you want to bring home this best humidifier for the perfect mist output in your home? Visit Amazon.com to purchase the AIRCARE Evaporative Humidifier for large rooms at the best price.
Pros and Cons of AIRCARE Large Evaporative Humidifier:
- Best large room humidifier to cover up to 2,700 sq ft area.
- The water tank capacity of this large humidifier is 6 gallons.
- Easily removable feature of the tank, unlike large water tanks in other humidifiers.
- One of the evaporative models that allow water vapor or mist output adjustment.
- 3 fan speed settings to maintain mist levels select humidification as required.
The next ultrasonic model as the best large room humidifier is the ZXBEER 9L Ultrasonic unit. Let us take a look at the advanced features that make this one of the best ultrasonic humidifiers on the market for large rooms.
The 9 L ultrasonic tank capacity is sufficient to cover large rooms between the sizes 120 to 550ft². Adding moisture to the dry environment and maintaining the desired indoor humidity levels is efficiently taken care of by this ZXBEER ultrasonic humidifier for up to 48 hours after adding water. The compact size and stylish design not just make it one of the preferred portable humidifiers, but also make cleaning the tank easy, which might not be the case in other humidifiers with large water tanks.
The ZXBEER ultrasonic humidifier allows you to choose the mist output from the 3 mist settings; low, medium, and high to suit the room size and the humidity levels. It also has a 360° mist nozzle that is perfect to add moist air to any corner. Another reason this ultrasonic model is appreciated among large room humidifier reviews is its 12 hours timer and sleep mode. The LED display is designed to turn off sleep mode.
The low noise operation of the ZXBEER ultrasonic humidifier of 38dB makes this one of the best humidifiers for bedrooms, nurseries, and offices with large room sizes. The 7 color LED also allows you to choose the atmosphere light.
The ZXBEER ultrasonic humidifier connects to remote function with its intuitive touch within 10 meters. If you are looking for an essential oil diffuser with humification, this model is just for you. The essential oil tray is separately available to add in your favorite scents of essential oils. Adjusting the relative humidity automatically is handled by the humidistat.
Does the ZXBEER 9L Ultrasonic Humidifier have the features that you expect to humidity any large room size? Visit Amazon.com to purchase this best humidifier for large rooms at an exciting offer price!
Pros and Cons of ZXBEER 9L Ultrasonic Humidifier:
- Highly recommended choice among large room humidifier reviews.
- Large water tank capacity to cover an area of up to 550ft².
- It is equipped with 3 adjustable mist settings.
- The 360° mist nozzle makes it easy to direct the mist output based on the room size.
- A sturdy ultrasonic humidifier that can double up as an essential oil diffuser.
- The large tank is compact and easy to handle. This is not likely in most humidifiers with large water tanks.
For the next unit like we have one of the best budget cool mist models, the Everlasting Comfort Humidifier. The exceptional performance and design of this unit make it one of the best cool mist models available in the market. Let us take a look at the features of why customers choose to vote for this unit as the best among cool mist humidifiers.
The water tank capacity of this cool mist humidifier is adequate to cover a large room size of 500 square feet. Unlike most humidifiers with large water tanks that make it difficult to clean, being one of the user-friendly cool mist models this unit makes it easy to maintain the water tank against mold growth. It is rightly preferred as one of the best large humidifiers due to its 6L capacity that can last up to 6 days post one refill.
The 360-degree mist nozzle and adjustable cool mist options make it easy and effortless to select the mist output across the room. These mist settings that allow the user to choose the mist levels make it possible to hit the right relative humidity level. The 35 dB assures Whisper Quiet operation round the clock, unlike most humidifiers. The Automatic Shut Off and safety features make this the best large room humidifier to keep in any space.
Combining the function of steam vaporizers and humidifiers, this unit has an essential oil tray to spread aromatherapy using your favorite essential oils. With this feature, you can enjoy the calming benefits of aromatherapy along with the cool mist output.
Are you impressed with the features built into Everlasting Comfort Ultrasonic Cool Mist Humidifier? If yes, head over to Amazon.com to bring home this unit with the best offer price.
Pros and Cons of Everlasting Comfort Humidifier:
- One of the highly recommended budget-friendly models for cool mist ultrasonic humidifiers.
- Large water tank capacity of 6 L that operates for 6 nights per refill.
- Adjustable mist levels make it easy to maintain the moisture content.
- The cool mist options and the 360-degree nozzle is suitable for any room size.
- Brings in the benefits of an essential oil diffuser.
Next on the list as the best large room humidifier, we have an 8L humidifier. The Let’me Large Humidifier has excellent durability, performance, and a large water tank that makes it a great choice as a humidifier for large rooms. This cool mist ultrasonic humidifier has the ability to humidify the space continuously for up to 40 hours on a single refill with its cool soothing mist.
The Let’me Large Ultrasonic Cool Mist Humidifier is equipped with Intelligent Humidity Control features. This is designed to customize humidity control from 40%-90% automatically to reach the preferred humidity levels. Moreover, adjusting the mist settings to suit your comfort is also possible with the 3 mist levels.
Usually ultrasonic and evaporative humidifiers with large water tanks are difficult to carry out easy cleaning. However, in the Let’me 8L large humidifiers model, it is possible to carry out effortless cleaning and refilling of the tank like small tabletop humidifiers.
The other convenient features that make this one of the best large humidifiers to invest in are; a 0-12 hour Timer function that makes unmonitored operation easy, an LED control panel setting that lets you operate the humidifier even in the dark, a user-friendly remote control to access and control the device across any room size, silent 30 dB undisturbed operation in bedrooms, nurseries, and workspaces, 360° rotating nozzle to direct the mist levels uniformly across the room depending on the room’s size, separate provision to add in your favorite essential oils, and more.
Do these specifications meet your expectations from large ultrasonic cool mist humidifiers? If yes, visit Amazon.com to bring home this best ultrasonic cool mist humidifier at the best offer price.
Pros and Cons of Let’me Large Humidifiers:
- One of the best large room humidifiers with an 8L tank capacity.
- The easy-to-handle water tank is as simple as other small tabletop humidifiers.
- Equipped to provide 40-hour continuous humidification.
- Comes with customizable humidity control to humidify the room based on requirements alone.
- It is built with several advanced and user-friendly features like an LED control panel, 360° rotating nozzle, and silent 30 dB operation.
- This large humidifier can function as an essential oil diffuser to deliver effective relaxing aromatherapy.
The next unit that is on the list that also tops the best large room humidifier reviews from customers is the VAGKRI Ultrasonic Warm Mist Humidifier and Cool Mist Humidifier. If you wish to combine the benefits of both warm mist humidifiers and cool mist humidifiers you must consider this ultrasonic model. Its large size, performance, and capacity are ideal for effortlessly humidifying a room size of up to 753ft².
This VAGKRI helps you to enjoy the soothing benefits of warm mist humidifiers in winter and the moisturizing effect of cool mist humidifiers in the summer. The large tank of 1.6 gallons is sufficient to cover the assured area coverage.
Did you know that this VAGKRI unit has 5 optional warm mist and cool mist levels you can choose from? Maintain the humidity levels of the room to the required amount, without the hazard of adding anything in excess to the environment. The LED user-friendly touch screen, customizable humidity levels, easy and spill-free top-refill for the water reservoir, aroma tray to add in essential oils, etc., are the many features that make this VAGKRI unit a good choice to add water vapor to your dry home.
Do you want to invest in this humidifier? Visit Amazon.com to bring home this VAGKRI unit, one of the best ultrasonic humidifiers on the market.
Pros and Cons of VAGKRI Ultrasonic Warm Mist Humidifier and Cool Mist Humidifier:
- Highly recommended model for ultrasonic humidifiers that combines both warm mist and cool mist action.
- Large water reservoir to carry out continuous humidification.
- Mess-free water reservoir designed for cleaning, emptying water, and refilling.
- Adjustable water vapor settings and humidity settings to add warm mist or cool mist to the room depending on the existing moisture levels and climatic conditions.
- Combines the function of a diffuser to add in any essential oil of one’s choice.
The last unit on the list is the Calmyst Cool Mist Humidifier. Are you looking for a readily portable humidifier with a large capacity? This unit from Calmyst might be the right choice. The simple and elegant design, sturdy build and features, and compact size makes this unit a suitable choice for humidification.
The BPA and dishwasher-safe humidifier ensures to keep the unit is safe from mold build-up and other allergens as well. It is easy to clean and easy to refill as well. The 4L capacity of the tank can cover an area of up to 401 sq ft. The 25 hr operation time of this Calmyst humidifier assures you humidification for up to 3 nights with every refill.
Customizing the water vapor output from the unit makes it easy to add moisture to the required levels. Its ability to improve air quality as fast as 19 minutes is 3.8x faster than other brands. Additionally, with this Calmyst unit, you can be assured of energy conservation. The 360° adjustable nozzle is perfect to aim the water vapor output to the corner of the room that needs it. The whisper-quiet humidification makes it ideal for a baby’s room, office space, and bedrooms. Keep your home and environment comfortable with this humidifier.
Are you interested in the features present in this Calmyst Cool Mist Humidifier? Head over to Amazon.com to purchase this unit, one of the best cool mist ultrasonic humidifiers at a great offer price.
Pros and Cons of Calmyst Cool Mist Humidifier:
- One of the best portable 2-in-1 ultrasonic humidifier and diffuser models on the market.
- 4L tank to offer humidification for 3 nights with one refill.
- Customizable water vapor output and adjustable mist nozzle.
- Whisper quiet silent operation which is ideal for baby’s room and bedrooms for undisturbed sleep.
- Guaranteed energy conservation.
- Portable and mess-free water tank design.
How to humidify your large room naturally [5 Methods]
There are many natural ways to add moisture to a space. A few everyday lifestyle activities are also capable of adding moisture to a dry environment. If there is excess moisture and humidity in your room, these very activities would have to be avoided. However, if you would like to increase the moisture content in the air by a little measure, you can certainly try these measures. You must remember, that none of these are as effective or efficient as a humidifier.
Having indoor houseplants will naturally increase the humidity of the room. The process of transpiration by which moisture evaporates from the surface of the leaves will add moisture to the space. Having well-watered indoor plants will be of help to add moisture to your room naturally.
2. Water bowl:
Another method that is used to add humidity or moisture to the surrounding is something as simple as water bowls. Keeping open metal or ceramic water bowls on heat registers and radiators is an effective way to add moisture to the air. The amount of moisture released during the colder months with a furnace On is more than what is released during the summer months.
Showers are the best place to get some moisture and humidity. You will be able to notice the humidity settling down on your shower stalls and mirrors after a nice steamy bath. You can bring this humidity into the room by keeping the bathroom door open after the shower. This will make the room humid to a certain extent.
4. Wet clothes:
We all know that it is always advised to leave wet clothes outside, on the lawn, or in an open space to dry them out. Wet clothes are also a source of moisture and hence it is always suggested to let them dry in a space where they will not increase the humidity level of the room. However, if you want to naturally make use of wet clothes as the best humidifier for indoor air you can do so. Dry wet clothes inside the room to increase the humidity of the room naturally.
Stovetop cooking also increases the moisture content of the space. Making use of the stove even to reheat a cup of coffee, rather than turning on the microwave will efficiently increase the humidity levels of the room.
The Vornado Evap40 4-gallon Evaporative Humidifier is a top choice in the large room humidifier category. This humidifier uses evaporative technology, which draws in dry air and passes it through a wet wick or filter, adding moisture to the air as it is dispersed. This humidifier is designed for large rooms and can cover an area of up to 1000 square feet.
One of the benefits of the Vornado Evap40 4-gallon Evaporative Humidifier is its large water tank, which can hold up to 4 gallons of water, making it ideal for use in large rooms or for multiple days without refilling. Another benefit is its powerful and efficient operation, which can quickly add moisture to the air, making it ideal for use in dry climates or during the winter months. It also includes a built-in humidistat, which allows you to set and maintain the desired humidity level, making it easy to achieve optimal comfort. The Vornado Evap40 also features an easy-to-use digital display that allows you to monitor and adjust the humidity level, fan speed, and other settings. Additionally, the Vornado Evap40 is easy to clean and maintain, which helps to prolong the life of the product.
Overall, the Vornado Evap40 4-gallon Evaporative Humidifier is a great option for those looking for a reliable, efficient, and easy-to-use humidifier for large rooms. Its large water tank and efficient operation make it a great choice for dry climates or during the winter months.
The Levoit Ultrasonic Humidifier is a popular runner-up product in the large room humidifier category. This humidifier uses ultrasonic technology, which uses high-frequency vibrations to create a fine mist that is dispersed into the air. This humidifier is designed for large rooms and can cover an area of up to 750 square feet.
One of the benefits of the Levoit Ultrasonic Humidifier is its large water tank, which can hold up to 6 liters of water, making it ideal for use in large rooms or for multiple days without refilling. Another benefit is its quiet operation, making it suitable for use in bedrooms or other quiet spaces. Additionally, it includes a built-in humidistat, which allows you to set and maintain the desired humidity level, making it easy to achieve optimal comfort. It also includes a nightlight and auto shut-off feature for added convenience and safety. The Levoit Ultrasonic Humidifier is also easy to clean and maintain, which helps to prolong the life of the product.
Overall, the Levoit Ultrasonic Humidifier is a great option for those looking for a powerful, quiet, and easy-to-use humidifier for large rooms.
As a budget-friendly large room humidifier, the Everlasting Comfort 6L humidifier is a suitable choice. With this humidifier, you can cover an area of up to 400 square feet.
One of the benefits of the Everlasting Comfort 6L humidifier is its large water tank. This tank can hold up to 6 liters of water, making it ideal for use in large rooms or for multiple days without refilling. Another benefit is its quiet operation, making it suitable for use in bedrooms or other quiet spaces. Additionally, it includes a built-in humidistat, which allows you to set and maintain the desired humidity level, making it easy to achieve optimal comfort. The Everlasting Comfort 6L also features a night mode, with a sleep-friendly blue LED light, and an auto shut-off feature for added convenience and safety. It is also easy to clean and maintain, with a removable and washable filter, which helps to prolong the life of the product.
Overall, the Everlasting Comfort 6L humidifier is a great option for those looking for a budget-friendly, large room humidifier, with a large water tank, quiet operation, and easy-to-use features, that can help you maintain the desired humidity level in your room.
1. How long to leave humidifier on for large room?
The length of time that you let a humidifier run in a large room without refill will depend on the size of the room, the level of humidity, and the performance of the humidifier itself.
Some units are capable of humidifying the room for up to 6 nights continually. Depending on the tank size and the unit capacity you can decide how long the unit can be turned On.
2. How much per day does it cost to run a large room humidifier?
It can cost anywhere from $0.72 to $3.84 per day to run a large room humidifier. However, this average cost can vary depending on the energy efficiency of the unit and the length of time that the unit is operated per day.
3. Where to buy a large room humidifier?
You can purchase your large room humidifier from any of the brand outlets. Another best platform to purchase a large humidifier, with added benefits of offers on the price is Amazon.com.
4. What is the best large room humidifier for those with breathing problems?
Mainitaning the indoor air free from allergens is the best way to keep breathing problems away. The correct relative humidity levels will remove allergens, mold spores, dust mites, and other microorganisms that trigger or even lead to breathing problems. You must always remember to avoid using tap water inside your humidifier.
Tap water contains a lot of mineral deposits that cause white dust. Inhaling this white dust that is formed as a result of using tap water inside a warm mist, cool mist, or ultrasonic humidifiers or evaporative models will lead to humidifier fever. Replace using tap water with pure distilled water that has all the mineral content removed completely from it.
The best large room humidifier model to keep breathing problems away according to us is the Vornado Evap40 4-gallon Evaporative Humidifier.
5. Can a room be too humidified?
Yes, a room can be too humidified. Unmonitored humidification will lead to adding excess water vapor into the environment. This will increase the humidity levels of the room. High humidity levels come with their own set of challenges and must be controlled without delay.
With this, we have reached the end of the article. We trust you were able to arrive at the best large-room humidifier for your home. Please share with us your experiences with using large room humidifiers and the models that have worked the best for you.
About The Author
Olivia — a self-confessed air quality addict — is a home climate enthusiast, fresh air advocate, and someone with deep personal experience and knowledge about mold extermination. Her work was mentioned in countless notable humidity publications. Previously she was an editor at Mold Remediation.