Most people spend more time indoors than they do outdoor. For such people and even for others that don’t spend a lot of time indoors, the quality of indoor air will have a tremendous impact on their health and comfort. One of the major factors that impact the quality of indoor air is the relative humidity which refers to the amount of moisture in the air. To maintain control of your indoor air quality and keep the air healthy and fresh during the winter, consider installing a steam humidifier. The best steam humidifier will help prevent air dryness or low moisture and all the health issues associated with it and that’s why people prefer steam humidifiers in the cold months.  

In this article, we have review 5 of the best steam humidifiers on the market you can choose for your home and also go over some of the important factors to consider in making your choice. Never forget, warm mist humidifiers also works like steam base humidifiers, as such are alternative choices. The comparison table below features different models to help you understand what we’re talking about in this discussion.   



Our Review

LEVOIT Humidifier >> Best for Large Room

  • 1.5L tank

  • 753 square feet

  • 12 hour timer settings

  • Quiet operation

BONECO S450 >> Best Bedroom Steam Humidifier

  • Digital on/off timer

  • 3.5 gallons/day

  • Rooms up to 860 sq. ft

  • Refill reminder

Elechomes Humidifier >> Most Portable & Quiet Unit 

  • LED Display

  • 20db Ultra Quiet

  • Up to 755 sq.ft

  • 5.5L large water tank

Vornado Element A2 Air >> Best Single Room Unit  

  • 2 Gallon Capacity

  • 12-hour timer

  • Up to 1, 000 sq ft

  • Auto refill notification

Aprilaire 800 Steam Humidifier >> Best for Whole House

  • 6,200 Sq. Ft

  • Manual/digital settings

  • Continuous flow

Why Purchase A Steam Humidifier?

For a comfortable environment, the recommended average humidity is between 30-50%. Anything less than this level, the air in your home will feel dry and uncomfortable. This is where a humidifier comes in. By restoring the balance in your indoor humidity level, however, a steam humidifier offers the following benefits.

  • Health Benefits:

Maintaining an optimal humidity level in your home offers several health benefits. A steam humidifier will reduce the risk of dry skin, nasal congestion, nose irritation, cracked lips, and so on. Germs that cause flu and other similar illnesses are more likely to thrive in dry air which is why they are more common in the cold, winter months. A steam humidifier will make the air less friendly for these germs and keep your airways skin and airways from drying out.

  • Comfort:

The quality of your indoor air has a major impact on how comfortable your body feels when you spend time in your home. Using a steam humidifier will help you feel truly “at home” as it helps to regulate the humidity and temperature of your home and keep it at a consistent level. You will also find yourself breathing with less stress and effort when the air is at an ideal humidity level.

  • Protecting your home:

Asides from the health and comfort of people living in the home, maintaining an ideal humidity level are important for your home as well. Low humidity can affect wood items that make up your furniture and flooring. Low moisture levels can also damage wall paint and cause it to peel off. Also, dry air is likely to get charged with static electricity, this can cause damage to electrical appliances in the home and increases the risk of fire due to static electricity discharges.

Warm Mist (Steam Based) Vs Cold mist Humidifier

Although both warm mist and cool mist humidifiers add moisture to the air, the obvious difference is in the temperature of the mist they give off. Your choice between both types is largely a matter of personal preference.

As against cold mist humidifiers, a warm mist or steam humidifier boils water and releases purified vapor into the air. This is more hygienic and your home is a lot safer from germs associated with low air quality and the illnesses associated with them. A steam humidifier also doesn’t use chemical boiler elements and this means only pure warm mist is released into the air. There are no dangerous chemical particles that may contaminate the air.

Generally, warm mist units are cheaper and more convenient to use than cold mist units. However, they have filters that may need to be replaced often. You have to put this added cost into consideration.

Top Rated 5 Best Steam Humidifier Reviews

1. LEVOIT Humidifier >> Best for Large Room

This powerful humidifier from Levoit is a combination unit that delivers both warm and cold mist. Thanks to a 5liter capacity, this humidifier can efficiently humidify rooms as large as 750 square feet in size. This humidifier features an auto mode which allows you to set the unit and leave it.

The inbuilt humidity sensor will measure the humidity level in a room and automatically adjust itself. Another smart feature of this large room humidifier is a 1 to 12 hours timer. As a safety precaution, the unit will also shut itself off when the tank is empty. You will also love how easy to clean the insides of this humidifier is.

This humidifier also comes with remote control for convenience. You can easily adjust the settings on the unit from a distance away.


  • Automatic mode
  • Aromapad for aromatherapy
  • Large tank delivers 60 hours of continuous use


  • The tank is filled up from the bottom which some users may find a little difficult to maneuver


2. BONECO S450 >> Best Bedroom Steam Humidifier

If you prefer a digital unit with smart features, this humidifier is one of the top options to consider. It features a multifunctional display that efficiently measures and monitor the humidity level in your room. The auto mode of this humidifier allows fully automated operation. There is also a timer as well as a sleep mode which is extra-quiet. The Econ mode allows you to choose your desired output level for the humidifier.

Cleaning is also digitalized thanks to the cleaning mode which makes automatic decalcification possible. There is also a refill reminder which indicates when the tank is empty and needs to be refilled. The unit shuts itself down when this happens. Unlike other steam humidifier unit that heats up and is unsafe to have around kids and pets, this unit is considered children friendly thanks to its hand-warm vapor output.


  • Fragrance container for aromatherapy
  • No filter or additives needed
  • Includes an anti-mineral pad
  • Auto-cleaning mode


  • Run a little too loud especially at the higher settings


3. Elechomes Humidifier >> Most Portable & Quiet Unit 

The Elechomes Warm and Cool Mist Humidifier is a combination unit that is capable of delivering both warm and dry mist. The humidifier uses ultrasonic cold mist technology which allows it to operate silently. It dispenses warm mist as well depending on your preferences. This versatile design makes it perfect for a wide range of applications.

The inbuilt humidity sensor measures the humidity level in the room for accurate performance. With a 5.5 Liters tank, this unit is built for large rooms. You will love how convenient to use this unit is. The tank is top-filling which means you can conveniently fill up the tank from the top without disassembling it.


  • Delivers both warm and cool mist
  • 360° rotatable spray nozzles for efficient distribution
  • Ultra-quiet operation especially in sleep mode
  • Top-fill design makes it easier to add water to the tank


  • This unit will leave lots of white dust around especially if your water is hard.


4. Vornado Element A2 Air >> Best Single Room Unit  

The Vornado Element A2 features three distinct steam settings which include a cool, warm, or hot steam mode. You can easily switch between these settings using the touch-sensitive screen controls.

With the capacity to cover up to 1, 000 sq ft, this is one of the best steam humidifiers you can get if you have a very large room. It comes with a powerful element that can heat water and begin dispensing steam in a minute.

Vortex action also ensures efficient distribution of steam when the unit is in operation. This humidifier comes aromatherapy-ready so it doesn’t just improve the air quality but also adds fragrance to your room.


  • The digital touchscreen can be locked
  • Customizable settings
  • Auto-fill notification
  • 12-hour timer


  • The light dims a little but it cannot be turned off completely


5. Aprilaire 800 Steam Humidifier >> Best for Whole House

If you prefer a whole-home humidifier to a single-room unit, this unit is an ideal option to consider. The Aprilaire – 800Z provides full coverage for homes as large as 6200 square foot adding between 11 to 34 gallons of water per day depending on your preferred settings. You can adjust between 6 different output settings.

This unit also features a dual-sensor that tracks both interior humidity and exterior temperatures for efficient delivery. The unit then adjusts its output based on the measurements of the sensors. It uses electrode technology to purify the water so you don’t need to use filtered or distilled water.


  • Automatic humidifier with dual sensors
  • Electrode technology gets rid of impurities in the water
  • Suitable for whole-house use


  • This is pricey compared to the other products in this review


How To Choose The Best Steam Humidifier

When it comes to buying a humidifier, there are lots of options to choose from. However, to assist you with finding the best steam humidifier, here are some features you should consider.

Size or coverage area

Like air conditioners, the size of the room you want to place your humidifier is perhaps the most important factor to consider. To ensure that you get results from your humidifier, you must measure the size of your space and compare it with the optimal room size quoted by the manufacturer. A unit that is too large will release too much moisture into the air and while a small humidifier will not provide sufficient coverage for your room.

Similarly, the size or dimension of the humidifier is another important consideration. Generally, you want to make the most of your living space and a device that is too big will only take up too much room. Humidifiers come in a wide range of sizes and designs. Considering the myriads options available you should be able to find something that matches your taste.

Water tank capacity

Consider the capacity of the tank in the humidifier you intend to purchase. This will be clearly stated by the manufacturer. This factor determines how often you need to refill the tank of your humidifier. A bigger tank will hold in more water and disperses water vapor for a longer time compared to a smaller tank. However, a large tank may prove difficult to refill as you might find it difficult to carry. An upside, however, is that you will have to do this less often. To reduce the stress, you can opt for a top-fill tank system instead of a bottom-fill unit.

Noise level

This point is particularly important if your humidifier is one for a long time every day. People generally prefer a humidifier that operates as silently as possible as you may find the loud noise quite annoying and distracting. Generally, a larger unit is likely to be louder than a smaller one. Some humidifiers also feature night modes with a reduced noise output.

Mist time or output

This refers to the amount of mist that the humidifier produces in a day. Generally, the mist time is measured in terms of how much time it will take your humidifier to humidify a room. Of course, this depends on the size of the unit but the capacity of your humidifier plays an important role as well.

Smart features

These days’ humidifiers feature a number of smart features that improve both their performance and ease of use. Some humidifiers have an auto-mode with sensors that can measure the humidity and temperature level of your room and adjust its settings automatically. Some units also have an auto-shutoff feature that protects the humidifier from damage and helps to manage power consumption. There are also self-cleaning humidifiers that make the process of cleaning the device less of a chore. Humidistat, timer, digital display, touch screen, remote control, and other digital features can aid your decision to purchase a humidifier or not.

Conclusion & Recommendation

From the products on our list, our top pick of best steam humidifier is the LEVOIT Humidifiers for Large Room Bedroom. This large capacity humidifier is also quite affordable and has a lot of features that ensures optimal performance and ease of use. The Elechomes Warm and Cool Mist Humidifiers is another good quality humidifier that is suitable for large bedrooms. However, any of the products on this list will make an excellent choice. For a whole house humidification, never forget Aprilaire 800 as the best of all.

By buying the best steam humidifier, your home will be a lot healthier and more comfortable to live in especially during the winter season. A warm mist humidifier will also provide relief from coughs, allergic reactions, colds, and so on. Of course, the quality of the unit you purchase will determine how well it performs this duty.