Best Air Washers for Cleaning Indoor Air

Review & Comparison, Last Update February 11, 2021
Have you ever wondered about the quality of your indoor air? Well, poor indoor air can affect your overall health and well-being. Though, with an air washer you can breathe in deeply! So, discover the best air washers from our review! ...Read more ...Read less
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BEST 2021
PROS
CONS
OUR VERDICT
Operation Principle
Room Coverage
Mode Number
Speed Level
Noise Level (Max)
Features
Tank Capacity
Weight
Warranty
 
PROS

In addition to three standard purification and humidification modes, the BONECO app will provide access to three more operation modes including Baby, Sleep, and Auto modes. 

CONS

There are some inaccuracies in the manual. 

OUR VERDICT

The BONECO H300 is one of the best options for maintaining a favorable and healthy microclimate in the living space. It will do an amazing job of both humidifying and cleaning the air in an area of up to 540 sq. ft and can even serve as an aroma diffuser.

detailed parameters
Operation Principle

4-in-1 filtration

Room Coverage

up to 540 sq. ft.

Mode Number

6 (Hybrid, Purifier, Humidifier, Baby, Sleep, Auto)

Speed Level

3

Noise Level (Max)

51 dB

Features

ON/OFF timer, Child-safety lock, Filter change reminder, Automatic shut-off, Fragrance container, BONECO app, Dishwasher and washing machine safe components

Tank Capacity

1.2 gallons

Weight

12.1 lbs

Warranty

5 years

PROS

Thanks to a built-in hydrostat, you'll be able to track the air humidity in a real-time format. You can fill it with tap water and the unit is a breeze to disassemble for quick cleaning.

CONS

There might be some clunking noises at times.

OUR VERDICT

Though pretty simple, the VENTA LW25 is a reliable air treatment system that will consistently keep your indoor air duly humidified and clean from dust and other pollutants up to 10 µm in size. The unique shape of the unit ensures high operating efficiency.

detailed parameters
Operation Principle

Disc system

Room Coverage

up to 485 sq. ft.

Mode Number

2 (Auto, Sleep)

Speed Level

3

Noise Level (Max)

44 dB

Features

Intuitive touch display, Auto shut-off, Low water indicator

Tank Capacity

1.5 gallons

Weight

8.5 Ibs

Warranty

2-year limited (Mechanical parts only)

PROS

By downloading the free Vesync app, you'll be able to easily control the unit remotely and make use of its functionality to the max. Besides, it is compatible with voice-controlled home assistants like Alexa.

CONS

The reset button is not easily accessible. 

OUR VERDICT

The Levoit smart air purifier is a functional and technology-packed device ideal for modern homes. It will not only provide customizable working modes but also can be set to operate under a certain schedule to maintain a healthy living environment. Keeping allergens at bay, it is a big help for allergy sufferers.

detailed parameters
Operation Principle

3-in-1 filtration

Room Coverage

up to 322 sq. ft.

Mode Number

2 (Auto, Sleep)

Speed Level

3

Noise Level (Max)

52 dB

Features

LED screen, 12-hour timer, Schedule, Wi-Fi, Vesync App

Tank Capacity

~ 1 gallon

Weight

11.49 lbs

Warranty

90-day money-back guarantee, 1 year warranty (with a free option to extend it by 1 more year)

PROS

The enlarged water tank volume of 3.2 gallons will enable the unit to operate without a refill for up to 3 days while supporting an optimal humidification intensity of 350 g/h.

CONS

The green LED light cannot be turned off. 

OUR VERDICT

What makes the BONECO W300 stand out is a combo of long-lasting performance with low energy consumption and a comfortable noise level. It's a great choice for relatively large areas and open spaces. You can choose between day and night operation modes and the unit parts are machine washable for no-hassle cleaning.

detailed parameters
Operation Principle

Dual filtration

Room Coverage

up to 540 sq. ft.

Mode Number

2 (Day, Night)

Speed Level

2

Noise Level (Max)

43 dB

Features

Easy-to-use knob, Automatic shut-off, Fragrance container, Indicator light, Components suitable for washing machines and dishwashers

Tank Capacity

3.2 gallons

Weight

14.1 lbs

Warranty

5 years

PROS

The branded Honeywell filters boast special Antimicrobial coating that inhibits mold, fungi, algae, and bacterial growth, thus, significantly prolonging the filter service life.

CONS

The item is pretty bulky. 

OUR VERDICT

The Honeywell HEV685W is an excellent choice for larger areas and open-space layouts. Fitted with two water tanks for prolonged operation and smartly designed for convenient use, it also provides adjustable accurate settings to optimize energy consumption. 

detailed parameters
Operation Principle

Wicking filter

Room Coverage

~ up to 1000 sq. ft.

Mode Number

Adjustable humidistat

Speed Level

3

Noise Level (Max)

~ 50 dB

Features

Easy-to-use knobs, Runs up to 24 hours, Automatic shut-off, 2 ways to fill via humidifier or sink, Refill light and humidity indicator

Tank Capacity

3 gallons (1.5 gallon each tank)

Weight

13.7 lbs

Warranty

3-year limited

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BONECO H300 3-in-1

A Top-Notch Hybrid System

While most air washers both filter and moisturize the air at the same time, the BONECO H300 is a step forward from these types of units. It’s a hybrid system that can perform these functions both simultaneously and independently. In other words, you can use it as an air purifier or humidifier only or set it to work as both. Within each setting, you are free to choose between six performance levels ranging from low to high intensity to meet your current needs. Thus, when set to high performance, the unit will cleanse the air and level the humidity up to the norm in less than an hour and low-performance settings are good to maintain the favorable environment afterward at lower energy consumption. With a maximum coverage of up to 540 sq. ft, this air washer is good for mid-size to larger rooms.

In the core of the appliance is a sophisticated filtration system based on high-capacity filters. A pre-filter is meant to stop hair, pets’ fur and bigger household debris floating in the air while the downstream filter captures fine dust, dander, pollen, and other potential allergens including viruses and airborne bacteria. As such, the unit will be of great help for sensitive and allergic users, alleviating the symptoms of allergy and irritations caused by excess air dryness or pollutions.

A built-in air sensor will consistently measure the air humidity in the premises and automatically adjust the evaporation intensity to optimize the water consumption while maintaining a healthy moisture level. And an auto shut-off function is included to turn off the unit when it runs out of water to prevent overheating and system damages.

Review of BONECO H300 3-in-1 Air Washer

With Extended Functionality

As functional as it is, the BONECO H300 air washer has more to offer. The appliance allows for wireless connection to the BONECO app to get remote control over the unit via your smartphone as well as to access extended functionality not available in the manual mode. Thus, you’ll be able to monitor humidity in real-time, make use of the On/Off timer to set the desired operation session duration, and receive reminders on filter replacement. Other than that, you’ll get access to three additional operation modes including an Auto mode, in which the unit automatically customizes the settings depending on the indoor air quality, a Sleep mode for sound night sleep, and a Baby mode ideal for nurseries and playrooms.

A few more benefits that add scores to this air washer humidifier are a fragrance container for essential oils to use the BONECO H300 as an aroma diffuser and dishwasher safe parts that make cleaning the unit easy.

Cutting down to the chase, the BONECO H300 is one of the best air washers for home use that delivers triple functionality and boasts a whole range of adjustable settings to create a clean and healthy living environment in your dwelling.

BONECO H300 3-in-1 Air Washer in the use

Additional Info

    Manufacturer

Last updated price $361.99
Stock In stock
ASIN B07TDCYF4H

 

Venta LW25 Comfort Plus

Simple and Reliable Air Treatment System

Many people buy air humidifiers since proper indoor air humidity is essential for health. Yet, only a few think about the air purifier and eventually end up buying yet another unit. The VENTA LW25 air washer is a simple appliance that offers a combo of both functions in a straightforward and no-frills design. “No frills” doesn’t necessarily mean inefficient. In this model, it rather stands for reliable operation free from failures.

To keep the indoor air both clean and moisturized, the VENTA LW25 uses a fairly simple but ingenious system. A hefty fan drags in dry and dirty air that gets directly into the water while two disc stacks rotating in the water reservoir function both as a filter to remove household impurities and as a moisture pad to evaporate the clean moist through the vents on the top of the appliance. Notably, the disc stacks can effectively filter out both larger debris like dust particles and hair and some fine pollutants like pollen, germs, pets’ dander, etc. This system along with cold evaporation technology will let you use ordinary tap water without the risk of the white residue settling on the furniture and other interior items during unit use.

When it comes to the air washer performance, the appliance handles 1.5 gallons of water to cover a room area up to 485 sq. ft, so, whether you put it in a bigger living room or a smaller bedroom, it will maintain a healthy indoor environment equally well. Three power modes allow setting the desired operation intensity to match the room area and the air quality while the humidity monitor will let you see when the healthy humidity level is achieved and you can switch to a lower power mode. Besides, you can choose between an Auto mode (for the day) and a Sleep mode (for the night), in which the appliance will adjust the settings automatically to finetune the operation.

Review of Venta LW25 Comfort Plus Airwasher Humidifier

A Breeze to Use and Clean

Distinguished by a simple design, the VENTA LW25 also provides foolproof controls. An intuitive touch display will let you make all the adjustments without a hassle and consistently keep an eye on the room air humidity to increase or reduce it accordingly by changing the operation intensity.

Since there is no replaceable air filter (and no added costs on consumables, as a result), you’ll have to clean the whole system each 10 to 14 days of regular use. Yet, cleaning is not a problem at all. The unit disassembles in a few easy steps and the water basin along with the disc stacks are easy to rinse under running water. To inhibit bacterial growth inside the water tank, you can add a special Venta’s water treatment additive. Likewise, you can also add one of the branded Venta fragrances to infuse the indoor air with nice aromas.

Summing up, the VENTA LW 25 is a pretty simple air washer distinguished by combined functionality, reliable performance, and quality design.

Venta LW25 Comfort Plus Airwasher Humidifier in the use

Additional Info

    Manufacturer

Last updated price $339.99
Stock In stock
ASIN B0855MPWZY

 

Levoit Smart Wi-Fi

Smart Functionality for Your Maximum Comfort

If you are a tech-savvy person who greatly appreciates the convenience of smart devices and uses their smart functions to the fullest, you can’t help but like the smart air purifier from Levoit. A W-Fi enabled device, this model can be easily adjusted and controlled either manually or via your smartphone and can even be integrated into your smart home system via a compatible smart plug.

To access advanced air washer functionality and use your mobile as a remote control, it is enough to download the free Vesync app that will sync with your phone like a charm. Via the app, you’ll be able not only to activate Auto or Sleep modes but also to monitor the current air quality, check for filter replacement, set a timer for the unit to operate within specified time frames, and create complex daily operational schedules for the whole week. To add more, the Levoit purifier can be connected to your voice assistant (Alexa or Google Home Assistant) to give you the convenience of hands-free control.

Coming down to the air washer performance, the device is capable of efficiently cleaning and humidifying the air in an area of up to 322 sq.ft. As such, it’s a better option for smaller and mid-sized closed premises. Besides, with the level of noise at 27 dB in a Sleep mode, it’s a great option for bedrooms and nurseries.

Review of Levoit Smart Wi-Fi Air Purifier

With an Advanced Filtration System

Smart functionality aside, something else that makes this air washer from Levoit stand out is the sophisticated filtration system it comes complete with the unit. In contrast to other similar devices predominantly capturing dust and other bigger pollutants, the Levoit air purifier boasts a three-stage filter bundle you’d normally come across in premium vacs. The coarse pre-filter works to trap some larger irritants like fur, pet hair, and lint. The true HEPA filter removes finer pollutants such as dander, pollen, and dust mites. Meanwhile, the activated carbon filter will effectively absorb bad odors, fumes, smoke, and even harmful VOCs. As a result, the unit will literally wash the air and make it clean from any potential allergens while keeping it nicely fresh. It’s a real find for households with kids, allergy sufferers, asthmatics, and a good choice for expressly dry regions or rather polluted city areas and industrial districts.

To conclude, the Levoit air washer offers impressive air cleaning capabilities beneficially combined with the convenience of smart technologies to meet the needs of modern houses.

Levoit Smart Wi-Fi Air Purifier in the use

Additional Info

User Manual     Manufacturer

Last updated price $189.99
Stock In stock
ASIN B07GKVS2N8

 

BONECO W300

Enjoy Long-Lasting Humidification

To keep an air washer running, you need to refill the water tank from time to time, which is a normal thing. However, the smaller the tank capacity, the more often you’ll have to add water. And what if you live in a dry region, in harsh weather conditions, or in a more polluted area and need to run the air washer almost constantly? This is where the BONECO W300 air washer will come into play.

What makes this model stand out straight away is the enlarged water reservoir that handles 3.2 gallons of water, which is twice the average volume of other common units. With that, at coverage of up to 540 sq. ft, the appliance can operate up to 3 days before it needs a refill. And it’s worth noting that it will support an optimal air humidity level all this time. If the system runs out of water, a light indicator on the front panel will turn red and the unit will automatically shut off to prevent any damage.

The idea behind this air washer machine is very simple. It blows the air onto the evaporation mat that rotates in water to saturate the air with moisture and filters away some bigger impurities like dust particles and pollen at the same time. Not only is this filtration system more long-lasting but it will also spare you from sticky wide residues on the furniture and electronics usually caused by ultrasonic systems and from too moist air, which is specific for steaming devices. In the meantime, you can choose between two performance modes for day and night accordingly and there is a fragrance container to use the unit with oils as a diffuser and enjoy aromatherapy effects whenever you want.

Review of BONECO W300 Humidifier Air Washer

... and Whisper-Quiet Operation

Since air washers use fans they do produce some noise during operation. Normally, it’s a sort of monotonous buzzing or rustling sound. Though usually within health safety limits, that sound might be quite irritating, especially when you set the air washer to operate for quite a while. Yet, it won’t be the case with the BONECO W300. At 43 dB when operated in the day mode, it is one of the quietest models out there. And the noise produced in the sleep mode is lower than a whisper, so it won’t disturb your sleep. Hence, you can use the unit day and night in any room, be it a living room, bedroom, or nursery.

Something else to like about this air washer is its sleek minimalist design. Despite an oversized water tank, the unit doesn’t look bulky or awkward. Thanks to soft lines and clean white housing, it will easily blend with any modern home or office interior and won’t stick out like a sore thumb.

All things considered, the BONECO W300 is a simple yet efficient air washer for where you need prolonged operation without much maintenance hassle.

BONECO W300 Humidifier Air Washer in the use

Additional Info

User Manual     Manufacturer

Last updated price $299.99
Stock In stock
ASIN B07TDBQYMQ

 

Honeywell HEV685W

A Choice for Larger Areas

If you live in a bigger house, condo, or studio apartment with an open-space layout, you will surely appreciate having an air washer capable of covering larger areas and, thus, saving you the need to buy several devices. The HEV685W air washer is just the unit in point. Designed to cover areas up to 1,000 sq.ft., it won’t cost you a fortune at the same time. And the best thing is that it will perform efficiently and deliver its intended functionality to the fullest.

The model uses a wicking filtering system with a fan installed over it. The wicker filter works to trap dust and other common pollutants lingering in the air and saturate the air with moisture. Two dial knobs on the top of the unit will let you set the fan speed and adjust the humidistat. Precisely customizable settings allow for quickly achieving the desired humidity level and maintaining it afterward in an energy-saving manner. This way, you’ll make sure you breathe in cleaner and fresher air when at home and avoid multiple dryness-related issues such as dry skin, nasal congestions, sleeping discomfort, and static electricity.

To cope with larger areas, the Honeywell air washer accommodates two relatively big water tanks to handle 3 gallons of water at once. As a result, the unit is much bulkier than many of its rivals and heavier too. However, the removable tanks with a top filling option make it a real snap to add water when needed. In the meantime, fully filled reservoirs will keep the unit running up to 24 hours at the lowest setting before the next refill, so you won’t have to do it very often.

Review of Honeywell HEV685W Top Fill Console Humidifier

A Thoughtfully Designed Pal

Though the Honeywell air washer is a rather straightforward unit with no technological frills, there are some minor details greatly contributing to its usability. For example, the auto shut-off option will shut the unit down in case the water tanks are empty, so there will be no need to constantly keep an eye on the unit. Besides, the LED light indicator will turn green signalizing that the reservoirs need a refill.

Just like many other units of this type, the HEV685W will need filter replacement over time. However, the patented Antibacterial Protec characteristic of the genuine Honeywell filters inhibits mold, fungi, algae, and bacterial growth, thus, maximizing the filter service life and cutting down the need to buy filters every now and then even if you live in a heavily polluted area.

To add more, to further optimize the unit operation, you can get an optional humidistat monitor that will let you accurately control the indoor air humidity and a Protec cleaning ball to keep the unit cleaner for longer.

To wrap it all up, the Honeywell HEV685W is a mighty and high-performing humidifier that can bring the air quality in larger living spaces back to the norm and can easily function as an all-house humidifier for mid-sized properties.

Honeywell HEV685W Top Fill Console Humidifier in the use

Additional Info

User Manual     Manufacturer

Last updated price $189.00
Stock In stock
ASIN B07FXYHZCF

 

Infographics

Comparison of Air Washers for Cleaning Indoor Air

What Is an Air Washer?

With winter approaching, it's high time to think about heating your home during cold winter months. Eventually, the air gets excessively dry, the dust and dirt particles don’t settle out rising into the air we breathe. Furthermore, many home appliances like irons and hair dryers produce heat, drying out the air while vacuum cleaners and desktop or laptop processors blow dust throughout the room.

It's needless to say that breathing dry indoor air can be really harmful to your health, as it dries nasal mucous membranes, making it an ideal environment for viruses. This causes common colds and frequent respiratory infections. The dirty air makes things even worse since some people may suffer from allergy aggravation or xeroderma. Moreover, dry air often damages the furniture surface. The good news is, this issue can be easily solved by an air washer. This device sucks dry air in through a special filter which humidifies and purifies it with water, and releases moisturized air into the room in the end. Let's take a closer look at the key features to look for when selecting an air washer.

You may also want to read about misting fans, which can be used both indoors and outdoors.

What Features to Compare

An air washer is a combination of a humidifier and an air purifier in one device. Thus, no additional filters are required. This purification method is called hydraulic filtration. There are different principles of operation of the air washer.

Operation Principle

To start with, it’s important to consider the principle of operation. The main elements of operation can be a cylindrical-shaped core or a drum with plates. An air washer based on a cylindrical-shaped core has an electric motor, which rotates the core and a fan that sucks in dirty air. Due to such configuration, the air washer makes a certain noise, yet perfectly removes unpleasant odors owing to the UV lamp. In regard to air washers based on a drum, they have only one fan, which performs two main functions - draws in dirty air and makes drum rotate, using air flow, providing more silent operation. The first model is well-suited for offices, living rooms and pet owners use, while the second one is better for bedrooms.

Design

You can find models where the air is drawn on sides of the unit and clean, purified air is evaporated through the top and those with an opposed system - dirt air sucked in the top and cleaned released through the sides. In general, the unit looks like follows: a two-piece design features upper and lower sections with all control elements in the upper and a water reservoir in the lower. For the convenience of use, you may want to consider buying an air washer with a removable water tank.

Cleaning Efficiency

The cleaning efficiency of an air washer is determined by the room space it can cover. There are various factors that can affect the cleaning efficiency, depending on the operation principle of the air washer. Let’s consider an air washer with a cylindrical core in more detail. The amount of moisture in the air depends on the rotation speed of the core. The rotation speed, in its turn, depends on the reducer capacity, which puts the core into operation. Therefore, selecting an air washer with this operation principle, pay particular attention to its operating capacity. When it comes to a drum air washer, its cleaning efficiency is determined by the number of drums. The more drums the unit has, the larger amount of moisture is evaporated into the air. Also, it’s necessary to take a closer look at the water tank capacity, as the larger amount of water provides a more autonomous operation of the unit. Moreover, some models come with a fragrance dispenser, designed to provide better air purification. In fact, the ideal level of relative humidity recommended by doctors is between 40% to 60%. The presence of a built-in hygrostat is a welcome addition to control and regulate the indoor humidity level.

Features

One of the main features of an air washer is the electronic controls that monitor its operation. For instance, you can choose and maintain the desired indoor humidity level. The presence of multiple speed levels and operating modes is an added benefit. So, you can select the night mode and the unit will operate at a minimum speed and low noise level, yet maintaining the proper humidity level. If you choose an automatic mode, the unit will automatically set the optimal humidity and speed level. The presence of an LCD display makes it convenient to control the unit operation. Thus, you don’t have to constantly open the lid and watch the water level, as it’s shown on the display. Besides, usability depends on the water tank capacity as well as on how easy and quick it is to refill a water reservoir. The easier and rarer you have to refill the water tank, the more pleasant and comfortable it is to use an air washer. Besides, a lightweight design allows for easy transportation. Also, some models feature a fragrance diffuser, designed to fill your home with clean and moist air with a pleasant aroma.

Sources:

1. All About Air Washers, Sylvane.

2. Mercia Tapping How to Choose a Humidifier? AllergyBuyersClub.

3. Air Purifier Buying Guide, Consumer Reports. September 2016.

4. Dr. Juliet Baciocco Spurrier How to Choose the Best Humidifier for your Baby, BabyGearLab. February 4, 2016.

5. Humidifier Buying Guide, Consumer Reports. August 2016.

6. Harold P. Wimmer and Sandra G. Hassink Why we need clean air for our children? The Hill. June 24, 2015.

7. Kristina Duda Choosing the Right Humidifier, Verywell. August 23, 2016.

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