Best Large Room Humidifier for Warm and Cold Seasons

The year has four seasons in which weather changes dramatically. Meanwhile, you have only one body that needs to adapt to temperature, humidity, and pressure changes. Humidity plays a huge role in your respiration, skin health, and general health. Low humidity levels can lead to inflammation and congestion of the sinuses, nosebleeds, cracked lips, and dry skin. Let us help you find the best large room humidifier that will keep you healthy through all seasons.

Best Large Room Humidifier

1. LEVOIT lv600hh Warm and Cool Mist Humidifier

LEVOIT Humidifiers for Large Room Bedroom (6L), Warm and Cool Mist…
  • Warm and Cool Mist: The humidifier provides both cool mist and warm mist to…
  • Auto Mode: The humidifier’s built-in humidity sensor automatically…
  • Aromatherapy: Add your favorite essential oils to the aroma box to give…
  • Perfect for Large Room: With a mist output of up to 500 mL/hr, the LV600HH…
  • Convenient Remote Control: Adjust settings in the middle of the night…

Nothing beats having a choice. LEVOIT gives you just that, a choice. The humidifier has both warm and cool modes that you can choose from to fit your needs. The cool and warm mist humidifier further gives you the choice of controlling the machine remotely from any position without having to move around all the time. The humidifier is perfect for all-year-round use because of its customizable features. LEVOIT has a tank capacity of 6 liters, perfect for a large room of up to 753 sq ft.

The humidifier for large rooms can work in auto mode without you being there to control it all the time. LEVOIT lv600hh delivers a maximum warm mist output of 500 mL/hr, with 60 hours of continuous use with a low mist level. The humidifier will automatically shut itself down when water runs out in the tank. The air in your home will stay improved, and you will no longer experience cold flu, allergies, dry skin, cracked lips, congestions, sinuses, or nose bleeds. The humidifiers are silent, and the displays turn off for you to sleep easy and uninterrupted with the night mode that takes care of things. Humidity levels in the house will remain consistent until the water in the tank runs out. You can set a 1-12 hour timer that eliminates the worry of having to remember to shut off the humidifier. The water tank is easy to clean and can open wide for access. The humidifier has aroma pads and will keep your room fresh all day and night. The plants in the house will stay hydrated too.


  • The humidifier can service a room size of up to 753 square feet.
  • 6-liter water tanks.
  • Best humidifiers for night use
  • Warm and cool mist ultrasonic, evaporative humidifier.
  • Digital display that shuts off when in night mode for uninterrupted sleep.
  • The humidifier uses a remote control.
  • Easy to clean.
  • Keeps your skin moisturized.
  • Prevents nose bleeds, congestion of sinuses, chapped lips, cold flu, and allergies.
  • Plants in the house will stay hydrated.
  • All year long use.


  • It is not safe for water to get into the air vent.

2. GENIANI Cool Mist Humidifier and Essential Oil Diffuser

GENIANI Top Fill Cool Mist Humidifiers for Bedroom & Essential Oil Diffuser…
  • 2-in-1 HUMIDIFIER AND DIFFUSER. Fill your room with your favorite…
  • SMART MODE. Maintain a healthy humidity level automatically with a…
  • TOP FILL HUMIDIFIER. Refilling has never been easier! Simply pour water…
  • SLEEP TIGHT. While you are sound asleep, our humidifiers for bedrooms…
  • IDEAL HUMIDIFIER FOR BABY NURSERIES. A soothing night light helps kids…

GENIANI is a two-in-one essential oil diffuser and humidifier that works best for anyone who wants to keep their skin healthy and protected all year long. The smart aroma ultrasonic cool mist humidifier gives nothing but the best humidity control you can find anywhere. The humidifier is great for anyone with a baby and a full-on home with plants, pets, and many members. GENIANI is suitable for use in large rooms with four liters of tank capacity to clear in every round. The humidifier is suitable for use in the bedroom as the noise level does not exceed 38dB for smooth, uninterrupted night sleep. The humidifiers have a smooth light that will soothe any baby to sleep. The humidifier shuts off automatically when water in the tank runs out. The 1.05-gallon tank is enough to keep the whole house free of dry air. The cool mist humidifiers for large rooms can cover a space of up to 220 square feet efficiently.

GENIANY is a Red Dot award winner because of its user-friendly concept and timelessly classic design. The humidifiers have a 2-year warranty and great customer service compared to other brands. The humidifier is simple to install and easy to use. You can refill the tank by simply pouring water through the special hole at the top of the lid. Alternatively, you can remove the top lid and refill the tank.


  • Relieves allergies.
  • Mists plants in the house.
  • The humidifier moisturizes skin all day long.
  • You can fill the tank using the normal tap water.
  • Top-fill slit for a simple refill that does not involve the removal of the whole lid.
  • Quiet operation to keep the baby asleep without any interruptions.
  • The humidifier consistently maintains the target humidity until water runs out.
  • Red Dot award winner.
  • Automatic shut feature that turns off the humidifier once the water in the tank is finished.
  • GENIANI diffuses essential oils into the atmosphere keeping the skin healthy for everyone in the house.


  • The appliance needs an electrical point of connection, which might not be the vantage point in the house.

Premium Ultrasonic Cool & Warm Mist Humidifier – Top-Filling – Whisper…
  • LARGE CAPACITY / SMART HUMIDIFICATION: Ultrasonic cool and warm mist…
  • TOP FILLING / LEAKPROOF / EASY CLEAN: The top filling large room humidifier…
  • ULTRA QUIET / SLEEP MODE / 12 HOUR TIMER: The large capacity bedroom…

Hupro is warm and cool mist humidifiers that are out to change the game. Unlike other types of humidifiers, Hupro has you covered for 30 good hours. The large room humidifier has triple purification that delivers quality to the atmosphere to keep you healthy and safe. The ultrasonic humidifier for large rooms is silent and will not interfere with the baby’s sleeping or anyone else at night. Hupro has a smart humidification system and has an essential oils diffuser that ensures everyone in the house has healthy skin all year long. The cool and warm mist humidifiers are smart and can be set to do different things at designated periods. The humidifier features a 5-liter water tank designed for a room as large as 500 square feet. Hupro controls the level of humidity with a precision that no other type of humidifier can match up to. The ultrasonic humidifier has an auto-mode, constant humidity, and five-speed levels that you can choose from.

Hupro is the best humidifier for large rooms because it warms the mist up to 140 degrees Fahrenheit. The humidifier is easy to refill and takes less than a minute to fill up. The top-fill feature has a handle that creates a mess-free process. The appliance keeps humidity at over 43%, which is a healthy level despite the season. The machine deactivates the night light and goes into the silent mode of up to 30dB, which is impressive.


  • Easy to refill 5-liter capacity water tanks.
  • Hupro humidifiers maintain a 43% humidity level.
  • Best ultrasonic humidifier for a large room with silent sounds of up to 30dB.
  • Easy to refill.
  • Built-in humidistat, 5-speed levels, constant humidity levels, and auto-mode.
  • Warms mist up to 140 degrees Fahrenheit.
  • Prevents dry skin, nose, eyes, and allergies.
  • Good for a house with babies.
  • Touch control panel.
  • The humidifier has a special lamp that keeps the water fresh without any bad odor and prevents the growth of bacteria and mold.
  • Water goes through active carbon pellets and minerals in the ceramic filter that do not need to be replaced.
  • Air ionization produces about 300 million cleansing ions per minute.
  • Prolongs musical instrument life.


  • The humidifier needs a constant power source for it to be plugged in.

4. LEVOIT Smart Wifi Humidifiers

levoit Humidifiers for Bedroom Home Large Room, 6L Smart WiFi Top Fill Cool…
  • Cool Mist Humidifier: Enjoy a soothing mist that humidifies 215—505 ft²…
  • Smart & Voice Control: Connect the smart humidifier to the free VeSync app…
  • Easy to Refill and Clean: No need to flip upside down—the top-fill…
  • Whisper Quiet: Keep the humidifier for bedroom running throughout the night…
  • Effective Humidification: Easily control the direction of the mist output…

LEVOIT company takes the humidity game to another level by incorporating their products with the latest technology available in the world. The cool mist ultrasonic humidifier LEVOIT has smart features that make the appliance intuitive and easy to use. The humidifier syncs with the VeSync app and lets you remotely control the settings via Wi fi. You can use voice control to change settings, and you can connect third parties such as Alexa and Google Assistant for hands-free control. The large room humidifier can fill any room size ranging between. The water tank is easy to refill without the need of flipping it upside down. The tank is transparent and lets you see the water levels to make a refill in good time. The large room cool mist humidifier is whisper quiet with noise levels lower than 30dB, giving you a good night’s sleep with no disruptions whatsoever. The silent feature makes the humidifier ideal for use in a family that has a small baby.

You can control the general direction of the mist output with the nozzle that gives you a 360-degree control that points the mist to the direction you desire the most. The large room humidifier has a mist height of over 2-ft and mist particles of between 5 and 6 microns in size. The ultrasonic humidifier reduces allergies, dry cough, chapped lips and ensures that the skin stays moisturized despite the weather or season. You can select an automatic mist output and set the ultrasonic humidifier to an auto-mode that ensures the humidity stays constant the way you like. You can add essential oil to the aroma box to create a nice fragrance in the air that is already filled with freshness.


  • Smart voice control using Alexa or Google Assistant.
  • Silent.
  • Easy to refill using the top fill.
  • 360-degree tilting mist nozzle.
  • It covers an area between 215v and 505 square feet.
  • 6-liter water capacity.
  • Mist height of 2 feet.


  • It would be good if you had a direct network of 24 GHz for the wireless feature to work.

5. Everlasting Comfort Cool Mist Humidifier

Everlasting Comfort Cool Mist Humidifier for Bedroom (6L) – Filterless,…
  • Cool Mist Humidifier: Features a 6 liter (1.6 gallons) tank with an…
  • Essential Oil Tray: More than simply a humidifier, we included an…
  • Auto Shut Down, Whisper Quiet: Our vaporizer humidifier automatically…
  • Filterless Design: Our ultrasonic humidifier design is filterless, saving…
  • 2 Year Replacement Policy: At Everlasting Comfort we care about your…

Everlasting features a six-liter tank with an adjustable mist output that will keep a constant humidity. The humidifier works for 50 straight hours and covers a 500 square foot room adequately. The humidifier is ultrasonic and will stay quiet and not distract you from sleep or work. You can use the humidifier at your home, office, apartment, or school. The humidifier has an essential oils tray that gives the cool mist pure aroma and fragrance, keeping the atmosphere fresh and balanced. You can use everlasting as a baby humidifier. The appliance has an LED night light that adds ambiance to the atmosphere that is already very pleasant. The humidifier has an auto-shutdown feature that protects the humidifier from damage when the water inside is finished. The design is filterless and will last longer, saving you repair costs.


  • Quiet for an uninterrupted night’s sleep.
  • Night LED lights.
  • The humidifier can work for 50 straight hours.
  • Ideal for use in the whole house.
  • You can install the humidifier in school, office, bedroom, or apartment.
  • Auto-shutdown to protect the humidifier from damage.


  • Running the humidifier in humid conditions can cause water to collect on surfaces.

Factors to Consider Before Buying a Large Room Humidifier

a) Automatic Shut-off

Safety first! Ensure the humidifier can auto-power off when water runs out to prevent the change in the desired humidity or cause any accidents.

b) Floor Area

Check the area in square feet that the humidifier can adequately supply with mist. Humidifiers that can do 400 square feet and above will cover most of the average floor area in any house.

c) Top Fill

You will refill the humidifier more often than not. The process needs to be spill-free and neat. A humidifier with a top fill is easier to fill and clean than one without.

d) Cool or Warm Mist

Humidifiers are meant to work through all seasons. Therefore, check whether the appliance can work through cold and hot seasons or just one of the two. A good humidifier can switch from a warm mist to a cool mist. Evaporative humidifiers will give off the warm mist.

e) Capacity

The capacity, in liters, will determine how often you will have to refill the humidifier. The more the amount of water the tank can hold, the better.

f) Wi fi and Remote Control

We are in a very technologically advanced period. Therefore, it convenient that you change with the times. A humidifier that can be controlled via voice command is way better and attractive than one that has to be physically operated. Check for compatibility with Alexa or Google Assistant. Some humidifiers can connect to apps on your smartphone. You can also use a remote control to change the setting since the humidifier will probably be at a high mount position.

g) Run Time

The longer the humidifier can run, the better. You want the appliance to work through the desired period without any hitches in between. A good humidifier should run for hours ranging from 40 to 60.

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