best humidifiers for dry eyes

Best Humidifiers For Dry Eyes (2020) – Buyer’s Guide & Review

Best Humidifiers For Dry Eyes (Updated. 2020) – Buying Guide

In this article we will focus in helping you choose the best humidifiers for dry eyes. I have selected and reviewed the top 8 humidifiers in today’s market, so that you can make an informed choice without having to screen through hundreds of products.

Humidifiers help a lot with several health related issues, and can also help in infants well being, which make these devices a very good choice for conscious mothers. Humidifiers can help solving problems such as asthma, allergies, dry eyes and dry skin or eyes just to mention a few. Most doctors highly recommend getting a humidifier to help improve the health of your eyes.

As a myopia sufferer and contact-lenses wearer, I am particularly prone to develop dry eye syndrome, which can potentially have dangerous  long-term effects on my eyes health. This is why this issue really hits home with me, and this is also why I took the time to review the top 8 best humidifiers for dry eyes in 2020. 

Top 8 Best Humidifiers For Dry Eyes Reviewed

In a hurry? Just look at the 2 models below:

Optimus U-31002 1.5-Gallon Cool Mist Ultrasonic Humidifier
Honeywell HEV685W Top Fill Console Humidifier, White
Tank Capacity
1.11 gallon
3 gallon
1.5 gallons in 18 hours
9 gallons in 24 hours
Best Value
Optimus U-31002 1.5-Gallon Cool Mist Ultrasonic Humidifier
Tank Capacity
1.11 gallon
1.5 gallons in 18 hours
Best Choice
Honeywell HEV685W Top Fill Console Humidifier, White
Tank Capacity
3 gallon
9 gallons in 24 hours

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API

1. Air-O-Swiss AOS 7147 Ultrasonic Humidifier

After a little bit of research over the internet my quest for the best humififer for 2020 ended right off the bat with Air – O -Swiss AOS 7147 Ultrasonic Humidifier, a very popolar humidifier with both warm and cool mist features.


  • Dual Mist option to choose from warm or cool.
  • Digital surface touch display. (I’d say the best)
  • Capability to humidify the air in a room of 600 sq. foot
  • Noise free performance. (Big relief as the most common humidifiers are clattering boxes)
  • Sleep mode which automatically sets the humidity level in the night.
  • Timer feature with which we can set the working time of the humidifier. (1-8 hours or continuous)

Accessories – It has some included accessories that come with the product

  • Demineralization Cartridge which prevents the release of any harmful minerals in the air.
  • Hydro Cell which provides continuous freshness to the humidifier &
  • EZCal Cleaner and Descaler which eases the task while cleaning the device


I am impressed with the design of this humidifier as it has a very uber looking front panel with very friendly touch interface that anyone can use without a hassle. The finishing of the device especially on the edges is a work of quality. Overall the device has a black glossy color scheme which is very soothing to the eyes. The humidifier looks like a polished furniture with its own class & finesse.


Now, let’s discuss about the real performance part. Since, I have used it from over a fortnight, I think I qualify to comment about its functioning.

After 14 days of use, I haven’t encountered any sort of problems yet. The product has been performing brilliantly and way above my expectations. Moreover, I didn’t expect it to be this good because my previous experience with a humidifier was not so pleasant.

Ease of Use

Being an ever busy guy who is always occupied by work, I am not much comfortable with the idea of using manual settings. I always search for devices & peripherals that have the option to work on their own i.e. automation. And this device is made for guys like me. As I found a great relief by using its auto settings option on the front panel, the humidifier adapts itself to the surroundings very well & I didn’t need to manually check it.

Humidity levels work perfect on the automatic setting. The timer function is great because you just have to set the time you need it to run, 1-8 hours or the continuous mode where the humidifier keeps running until it runs out of power!

All the features mentioned in the product description proved to be novel. The device works noise free, hassle free and labor free.

I would say I am intensely satisfied with the product, and it has brought some relief to my dry eyes problem, especially when I do not have my contacts on. As I mentioned before, my previous experience with other personal humidifiers was that some were clumsy and not much graceful and I was always skeptical about their reliability and durability but Air-O-Swiss AOS 7147 Ultrasonic Humidifier has changed my whole perception.

Though I have been using it only from the last 14 days and it might be only the tip of an iceberg. But I’d say it’s been so far so good for me. It’s noise free, automated working and its congenial design has really flattered me. I’d recommend it to anyone planning to buy a humidifier. This product delivers more than its price value.

Air-O-Swiss 7147 Ultrasonic Humidifier
868 Reviews
Air-O-Swiss 7147 Ultrasonic Humidifier
  • High Output: Up to 3 gallons/24 hours for rooms up to 600 sq ft
  • Auto Mode for fully automated operation
  • Whisper-quiet in operation
  • Optional warm or cool mist
  • Digital display and programmable hygrostat

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API

2. Honeywell QuietCare 9-Gallon Output Console Humidifier

The HCM – 6009 is a high output ‘cool mist’ evaporative humidifier from Honeywell. This humidifier comes with manual controls, Protec antimicrobial filter, a large water tank and a capacity to humidify larger areas. The device lasts for about twenty fours in one filling. The moisture it creates is noise free, microbe free and fresh. So that, you can have a good night’s sleep. It is an ideal product for you, if you are frequently suffering from dry eyes and other air related allergies and symptoms.


  • Presence of big swiveling wheels at the bottom of the device for easy and comfortable movement and portability.
  • In-built prefilter to prevent accumulation of dust and mold.
  • Capability to humidify very large areas up to 2300 square feet.
  • Ergonomic design for saving space.
  • Protec antimicrobial filter to keep the air of your room fresh and bacteria free.
  • Auto-Shutoff feature whenever the device runs out of water.
  • Noise free operation.
  • Two large water tanks for extra duration of working.
  • Different levels to set humidity and moisture.

Extra large capacity to hold more water and ability to humidify large areas are the real standout features of this humidifier.


This humidifier is very ergonomically designed to save space. Though, it’s a large humidifier but to solve its portability issues, big swiveling wheels at the bottom of the humidifier are provided. So that, you can move it anywhere you want.

The device features manual controls which are present at the top of the device. Its design and outlook are not like any premium humidifier. But the device is very sturdy and solid, thanks to its good build quality. It’s designed in such a way to maximize output and performance.

Not a great looking humidifier but a very ergonomic design to ensure proper humidification with portability as well. It is available in white and black colors.

Ease of Use

The device has manual humidity controls and output settings. You have to choose your desired level of humidity and set the dials accordingly. Though the controls are all manual, but in a way it lets the user completely customize its output.

Though the device constitutes dual water tanks, but cleaning these tanks is a very convenient process due to its simple and solid built that enables you to disassemble and reassemble it quickly and without any hiccup.

The bulky size and weight of the HCM – 6009 is not a trouble at all due to the presence of large swiveling wheels at the bottom of it. These wheels allow us to easily move the humidifier anywhere we require. Thus, even due to the large size, its portability is great.


The HCM – 6009 is a very powerful unit which has the capability to humidify large areas or rooms up to 2300 square feet. Its dual water tanks provide it the potential to continuously run for atleast 24 hours. The combined capacity of the two water tanks of this humidifier is 3.4 gallons and its humidity output is about nine gallons.

The humidifier has the ability to automatically clean the air from any harmful bacteria or a microbe due to the presence of the prefilter. The device has a unique turn off-turn on feature – whenever the desired level of humidity is achieved, the device would turn itself off. But when the humidity starts to fall down, it would again turn itself on and start producing cool mist.

The HCM-6009 humidifier from Honeywell is a good device which performs exceptionally well and has the capability to humidify large areas up to 2300 square feet. Such a capability is very rare in the humidifiers at the same price range. Even for its bulky size, the device is very portable.

Moreover, the device operates almost noise free and due to the presence of dual water tanks, it can continuously run for 24 hours. The humidity controls are manuals but provide great customization to the user to set its desired levels of humidity. The Honeywell QuietCare surly one of the best humidifiers for dry eyes.

The major drawbacks of this device are lack of a warm mist option, lack of automatic and digital controls, and no LCD display panel. But at this price range, you just cannot expect everything.

Though you are certainly able to purchase a better humidifier if you can spend a little extra. Like the Air – O -Swiss 7147 Ultrasonic Cool/Warm mist humidifier, which has all the modern features and automatic controls with an LCD display.

But if your budget is tight and you require a humidifier for an extra large room, HCM-6009 is ideal for you.

Honeywell HEV685W Top Fill Console Humidifier, White
  • MULTI-ROOM COOL MIST HUMIDIFIER: If you need a humidifier for large rooms, or want to add moisture to your whole house, this 3 gallon, easy fill humidifier console with a humidistat can be combined with other options to help control humidity in your home.
  • HONEYWELL FILTERS: Genuine Honeywell replacement wicking filters use a patented antimicrobial that helps inhibit the growth & migration of mold, algae & bacterial on the filter. Use these filters, designed to fit Honeywell humidifiers, for best results.
  • HONEYWELL HUMIDIFIERS: Humidity levels in your home between 40-60% can make the air feel warmer & improve your breathing comfort, sleeping, nasal congestion & dry skin. Dry air can cause static electricity, damage wooden furniture & irritate health issues.
  • CONTROL YOUR HOME'S CLIMATE: Filter out dust and allergens with Honeywell air purifiers and filters for cleaner air, add humidity to the air to improve your comfort with Honeywell humidifiers, or help control air flow and circulation with Honeywell fans.
  • HONEYWELL QUALITY: Improve humidity levels in your home & improve your comfort with a Honeywell humidifier. Compare to humidifiers & similar products from Vicks, Crane, Urpower, Holmes, Boveda, Dyson, Evapolar, Aprilaire, Frigidaire, & Pure Guardian.

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API

3. AIR-O-SWISS U700 Dual Mist Humidifier

The Air-O-Swiss U700 is one of the most beautifully designed humidifiers in the market. Not only its elegant design but also its tank size intrigue the viewers. The tank can hold a whopping 3.4 gallons of water, the largest in all humidifiers available today. This means you don’t have to worry about refilling it again and again. It can be a huge relief for many.

It’s a significantly powerful humidifier, having the capability to humidify a room up to 1000 square feet.


  • Ultrasonic humidifier with unique self cleaning mode.
  • Warm and Cool mist dual option.
  • ITC (Intelligent Temperature Compensation), one touch control to automatically maintain the humidity of your room.
  • Large water tank which holds more than 3 gallons of water and reduces the need for frequent refilling.
  • High power capacity to humidify large rooms up to 1000 square feet.
  • Light sensor to automatically lower the display light during night.
  • Ambient LED night light.
  • Auto shutoff when the water runs out of water.
  • Programmable Timer to set the amount of time you want to run the humidifier.
  • Noise free operation.
  • Demineralization cartridge which prevents any harmful mineral build up.
  • Empty water tank indicator.
  • Highly energy efficient running.
  • Fragrance container to manually add desired aroma to the mist.
  • Diaphragm with a Titanium Membrane for increase its longevity.

Air-O-Swis U700 Ultrasonic humidifier has all the modern features present in the best humidifiers in the market today. Air-O-Swiss are renowned for involving cutting edge technology into all their products and with the AOS U700 they have set another benchmark while raising the bar higher for other companies.


Air-O-Swiss U700 humidifier is undoubtedly one of the most graceful and stylish looking devices ever made by Air-O-Swiss. It has a white colored body with a transparent tank which provides it a very smooth appeal. The blunt edges and the exquisite front display pattern adds a sublime effect to its design. The LED Night light along with the dimmer function appear very soothing to the eyes.

The transparent water tank also looks very sober, while you can peek inside it to have a look at all the mechanisms in the core of the humidifier. The design of this device is very unique and dignified.

Ease of Use

It is very easy to get accustomed to this device’s controls. The control section can be divided into two parts, one is the keypad and another is the LCD display. The buttons on the keypad are self explanatory due to the icons drawn on them. Each button has a different function- humidity level, output level, on/off function, timer and auto mode.

The LCD is very well illuminated and shows the particular mode which you have selected. Other items in the display are – warnings, room humidity and temperature levels. The overall controls section is very easy to understand and operate. Auto Clean feature is very useful and saves time spent on manual cleaning the device is also.

Handling and portability of the device is also very feasible thanks to the double handle bars present at the top of the device.


This device is a stand out performer. It’s a very powerful unit, it can easily humidify large rooms up to 1000 square feet. It uses high frequency vibrations to convert water into fine mist. Moreover, it has the largest water tank, which holds 3.4 gallons of water. It is the biggest available capacity in all the humidifiers available in the market. This is the reason that it performs for a long stretch of time without running out of water.

It runs noise free, has an option to add fragrance to the mist as well. When we set the device in the highest humidity setting, it throws a thick spread of vapor. Further the mist output can be split into two and dispatched in different directions as well, thanks to its variable output vent. The vent is itself blended in with the unit, so it doesn’t break up the smooth edges of the design.

Ultrasonic U700 humidifier from the Air-O-Swiss provides quality humidification with a polished and urbane design. AOS U700 is an ideal solution for those who suffer from allergies, asthma and sinus infections, etc. The humidifier supplies continuous humidification that induces an increased level of humidity into your room, making it ideal for your living room, office or the master bedroom.

BONECO Warm or Cool Mist Ultrasonic Humidifier U700, (White)
  • UNIQUE SPECS: This humidifier comes with a unique self-cleaning mode for easy cleanup. It also has an easy-to-handle water tank and smart automatic shut-off when the water tank is removed. It can be placed on Auto-Mode for fully automated operation.
  • DIGITAL DISPLAY: The U700 uses a digital display to view all functions at a glance. It comes with a dimmer function, gives practical reminders like refill water or cleaning required, and has a timer function. There is also a programmable hygrostat.
  • OPTIONAL WARM OR COOL MIST HUMIDIFIER: This quiet home humidifier is recommended for large rooms up to 1000 sq. ft. and has a humidity output of up to 4 gallons/day. The mist can be distributed in the room in 2 directions using the double jet nozzle.
  • LONG RUNNING ULTRASONIC HUMIDIFIER: Thanks to effective high-frequency technology, the water is converted into a micro-fine mist and given off to the indoor air by a fan. The integrated demineralization cartridge provides mist without limescale.
  • MAINTENANCE ACCESSORIES: The U700 is suitable for using fragrances and essential oils to create a self-personalized atmosphere, as well as a relaxing ambient LED night light. It also includes the Hydro Cell, Demineralization cartridge, and EZCal.

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API

4. Vicks Warm Mist Humidifier with Auto Shut-Off

Vicks Warm Mist Humidifier is a very budget friendly device that can help you breathe fresh, hygienic and warm air in the winters. This humidifier is a very basic but potent device that has a 1 gallon tank and can humidify medium to large sized rooms. It can run for 8 to 9 hours on high humidity settings, so that you have a very cozy sleep. The device has a decent set of features and performs very effectively. It is a great option to evade any cold related allergies and to stay warm throughout the winters.


  • Easy-to-fill tank.
  • 3-year product warranty.
  • Warm mist relieves cold/flu symptoms and combats excessive dryness from central heating units.
  • Transparent water tank to check water level whenever required.
  • 1-gallon mist output.
  • 12 hours of operation per filling.
  • Soft glow nightlight.
  • Two comfort settings choose from.
  • Medicine cup for use with Kaz Inhalant or Vicks VapoSteam.

This humidifier has a very basic set of features, nothing too extraordinary. But at such a low price tag, you just can’t expect more.


The device features a white plastic body and a transparent blue colored water tank. The transparent water tank solves the purpose of checking water level whenever required. The design is pretty basic. The manual humidity regulator is at the front of the device, which looks very outdated in design. The build quality of the device is average. Don’t expect this device to last for too many years.

Though the device is very basic in looks, you shouldn’t expect much in this price range.

Ease of Use

The device is very basic in controls, it has 2 different humidity settings – high and low. On the low setting, the device would run for continuous 24 hours and on the high setting, it hardly runs for 8 or 9 hours. Refilling the tank is also not a problem, just remove the tank and fill it. But the main tedious task related to this humidifier is its cleaning process. The device requires periodic cleaning atleast once a week. This can be a bit too much for people who are very busy in their lives. Not cleaning the device drastically decreases its performance and results in accumulation of plaques and other mineral residues in the water tank. For properly cleaning the unit, you would have to use vinegar or any cleaning solution of your choice and rinse the water tank properly for 2 to 3 hours. After that using a brush to clean all the plaques and mineral deposits would make the device immaculate again.

This humidifier requires regular cleaning and maintainence which can become a burden for many.


Despite the shortcomings due to its regular cleaning, the device performs considerably well. While using the device on the high mode, it spreads warm mist thoroughly in the air and moisturizes well. The warm mist keeps the room temperature lukewarm and cozy during the winters. But it does make some noticeable noise while on the high mode, it almost sounds like a pot boiling in the room. While on the low setting mode, the noise levels drop down comprehensively and the humidification is still at a good level.

The device features an Auto-Shutdown function, whenever it runs out of water.

Another distinct feature of this device is its Medicine Cup. You can use any type of inhalant to add to the mist. Vicks Vaposteam is one good inhalant to use in this device. It scents up quite well in a bedroom and that provides ample freshness to the air.

If you can handle its ‘boiling’ sounds on the high mode, the humidifier has no other issues, performance wise.

On the whole, this warm mist humidifier from Vicks is a very budget friendly device or I would say the most budget friendly humidifier in the market. It performs very effectively, has the capability to humidify large rooms. Though the noise levels on high settings mode can be at time a bit loud for you. Besides that, frequent cleaning and maintainence of the device can tire you because this device requires periodic maintainence.

But if you’re looking for a fairly cheap humidifier in the winters, I’d recommend this. But spending some extra cash can land you a better product like the Air-O-Swiss 7135 Ultrasonic humidifier which has dual options of both warm and cool mist and is totally noise free.

Vicks Warm Mist Humidifier, Small to Medium Rooms, 1 Gallon Tank – Filter Free Warm Mist Humidifier for Baby and Kids Rooms, Bedrooms and More, Works with Vicks VapoSteam
  • VICKS WARM MIST HUMIDIFIER: This warm mist humidifier, for bedrooms, baby nurseries, kids' bedrooms, or anyplace where you want congestion relief, can be used with Vicks VapoSteam for medicated vapors. Filter-free, full 1 gallon tank can run for 24 hours
  • VICKS HUMIDIFIERS FOR KIDS, ADULTS: Humidifier diffuses 95% bacteria free mist into the air. Many women and men find that a humidifier for the bedroom becomes an essential part of a good night's sleep when the air is dry, in allergy season, or when sick
  • COUGH & CONGESTION RELIEF: When you or your kid has a cold, it can be difficult to sleep through the night. Humidifiers and vaporizers provide temporary relief from coughing and congestion, so your rest won't be as disturbed by coughing fits
  • VICKS VAPORIZERS, HUMIDIFIERS, & STEAM INHALERS: Moisture & humidity offer temporary relief from cough & congestion due to colds or allergies. Vicks line of humidifiers & steam inhalers, help you breathe easier wherever you are, from the bedroom to office.
  • HUMIDIFIERS FOR BEDROOMS, DESKS, TABLES: Our humidifiers & vaporizers help you breathe better wherever you are.

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API


5. Air-O-Swiss 2055A Automatic Air Washer

Air-O-Swiss 2055A Air Washer is a distinct humidifier with dual advantages. It not only humidifies your room with cool mist but also cleans the air of dust and other impurities. The AOS 2055A features very user friendly manual controls and a Hydro Cell to keep the humidifier always clean, hygienic and fresh.

Moreover, it boasts of an ultra-quiet operation, up to 600 square feet of area coverage and comes with a 10 year warranty. It is a good option for people suffering from allergies like asthma, dry eyes, eczema and noise dryness.


  • In-built ability to remove particles and allergens while humidifying.
  • Self-regulation of evaporation, ensuring an optimal level of humidification of your room.
  • Hydro Cell to provide constant air freshness.
  • 2 fan speeds.
  • Virtually silent operation
  • Auto-shutoff whenever the device runs out of water.
  • Water empty indicator.
  • Transparent, removable water tank which eases its maintenance and refilling.
  • Removable housing and air inlet grid for cleaning purposes.
  • Low energy consumption.
  • Fragrance capsule for adding any desired scent to the air in your room
  • Quality components ensuring longevity and durability.
  • Cable storage.


The device is very elegantly designed product. Its color scheme and overall shape are very pleasing to the eyes. Moreover, the Air-O- Swiss Air Washer is designed with scoop ribs and honeycomb structure for optimal humidification. The front panel of the device is all black with a Rotary dial to set manually set the desired humidity level without any frills. But the device lacks an LCD display. Decent features but not the best in class.

Overall, the device is designed with an aesthetic appeal,

Ease of Use

Though this humidifier itself works beautifully, but, the design of the water reservoir is absolutely non-practical. It is very small and needs frequent refilling. Which makes it a hassle to refill the device again and again in short durations. Sometimes you would have to fill it twice a day even when on the low humidity mode.

In addition to the reservoir’s small size, it’s very difficult to fit in the sink and the faucet over the opening. Even the fill valve on the water tank is very poorly placed and you would have serious trouble filling the tank completely. Many users had complaints of leakage of water from the reservoir tank as well.

Other than that, the manual rotary dial is very easy to use, it has two humidity settings to choose from – Normal and Nighttime, you can set them as per your requirement.

Due to small size of the water reservoir and difficulty to refill & clean it.


Apart from the drawbacks in operation and maintenance of the water tank, the device performs quite well in matters of humidifying a room. It functions through a dual process mechanism to create humidity in an area. Further, to increase the device’s effectiveness, a pre-ionizer removes ultra small allergens from the air. So, that you may receive completely clean and hygienic air.

The humidifier has the capability to humidify a room up to 600 square feet in a very noise free manner. But keeping in mind its high price, 600 square feet is not the best you would expect from such a costly device, the Air-O-Swiss S450 might be a better option if you are looking for more power at a lower price.

Only drawback being its impotency to humidify larger areas.

On the whole it’s a reliable humidifier which performs well and saves you the requirement of any replacement of the filters. Hence, very less maintenance. Moreover, this device has a decent set of features to combine with its fair performance. But this humidifier is not free from drawbacks as well. The biggest one being the small size of the water tank and the difficulty you would encounter while filling it due to the improper design of the fill valve. If you are going to be spending big bucks on a humidifier, it has to be an impeccable performer and a hassle free operator.

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6. Optimus U-31002 1.5 Gallons Cool Mist Ultrasonic Humidifier

Optimus U-31002 is a single room, Ultrasonic cool mist humidifier which is priced at a reasonable level, making it budget friendly for all. Moreover, the device is very elegantly designed and performs way more than expectations. It has 1.11 gallons water tank, produces 1.5 gallons of mist and has the capability to provide continuous moisture up to 18 hours. Being an Ultrasonic humidifier, it performs totally noise free and ensures a good sleep for you and your family. Furthermore, the humidifier boasts of all the modern features found in other top quality humidifiers in the market, thus making it a complete package.


  • Totally noise free operation – The Optimus U-31002, is an Ultrasonic humidifier which operates silently and ensures you a good sleep.
  • Very elegant design – The device looks great placed anywhere in your home or office.
  • Adjustable mist control – The device incorporates a variable mist output controller, with which you have the option to adjust the moisture rate according to your needs.
  • Removable tank with handle to ensure easy refilling and cleaning.
  • Refill indicator, to inform you whenever the device is out of water.
  • Auto-Shutoff feature, which turns off the device, whenever it runs out of water.
  • 11 gallons water tank capacity and 1.5 gallons output.
  • Clean and healthy cool mist output – The humidifier provides very fine and healthy cool mist, free from Bacteria and other microbes, thanks to its in-built, permanent filter which never requires any replacement.
  • Transparent Tank to easily check the water level, whenever required.

Good set of features, but lacks any automatic controls and warm mist output.


The best feature of this device is inarguably its design – The device looks very modern and stylish. As, it is designed and structured in the form of a half oval cylinder. Further, the transparent water tank adds grace to the overall look. The device’s manual control knob is present at the front side, the knob is very sophisticated in design with blue illumination in the circumference.

Overall the device would suit anywhere placed in your bedroom or office, as it looks very fresh and unique, and the build quality is superb as well.

Ease of Use

The Optimus U-31002 is a very easy to use and low on maintenance product. As, the user friendliness of this device can be attributed to its easy to use manual controls, with two presets of High and Low. Furthermore, the control knob can be manually fine tuned to adjust the amount of humidity, you require in your room.

The device also includes a refill indicator which blinks when the water level becomes low and an auto shutoff feature which turns off the device, whenever the water tank gets empty. Besides this, a permanent air filter keeps the mist free from any Bacteria or microbes, is provided in the humidifier, the best feature of this filter is that it does not require any replacement.

The water tank of this humidifier is removable for easy and efficient cleaning. But many users have complained about some difficulty while removing the tank, which proves to be quite a hindrance in regular cleaning of the unit.


The Optimus U-31002 cool mist humidifier is ideally designed for single room usage only. It has a water tank capacity of 1.11 gallons and produces about 1.5 gallons mist. Being an Ultrasonic type of humidifier, it produces a very fine mist which evaporates quickly into the air. Moreover, like all the Ultrasonic humidifiers, this device is ultra-quiet in its operation and ensures a good night’s sleep for its users. Another unique performance feature of this device is its permanent, non-replaceable filter which keeps the air healthy and microbe free. Besides that the device is fairly powerful and has the capability to run for 18 hours in one stretch.

The device is a good humidifier, which performs well above the expectations.

Optimus U-31002 cool mist humidifier is a very potent device which is ideal for people suffering from air related allergies including Asthma, Eczema, Dry Sinuses and other allergies. As the device description says – it is only a single room humidifier, thus it is not much effective in large areas or rooms. But it is fairly potent to quickly humidify a small or medium sized room. Regarding its mist output, it has a 1.5 gallons moisture yield and can run for 18 hours nonstop.

Interestingly, the best feature of this device is its attractive and urbane design, and it looks a real eye candy placed on your room’s table. Besides that, the device is very low on maintenance and has an easy to use control interface.

The only negative of this device is the difficulty which many users faced while removing the water tank from the main body for cleaning purposes. This is one of the best humidifiers for dry eyes you can get your hands on.

Optimus U-31002 1.5-Gallon Cool Mist Ultrasonic Humidifier
  • 1.5gal Capacity
  • Water-empty Auto Shutoff Switch & Refill Light
  • Adjustable Mist Volume Control
  • Great for all your needs
  • Great for all your needs

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API

7. Air-O-Swiss AOS 7135 Ultrasonic Humidifier

The Air-O-Swiss AOS 7135 is a very sturdy humidifier made by the Switzerland based manufacturer Air-O-Swiss. It’s a characteristic humidifier which is ideally designed for your home. This device uses high-frequency vibrations to convert water into a fine mist that diffuses into the air. This humidifier has a very powerful output of producing 3.5 gal mist in 24 hours. It is ideal for rooms up to 600-650 square feet.

The Air-O-Swiss AOS 7135 is very powerfull and the humidification of your bedroom will take a short time.


  • Built in hygrostat for maintaining accurate levels of humidification in your room.
  • Both warm and cold mist option, suiting your requirements.
  • Built in carbon filter to remove harmful chemicals and adulterants present in water.
  • Demineralization cartridge to ensure microbe free environment.
  • LCD display and digital controls.
  • 3 regulation levels of output – low, med and high.
  • Timer to manually allocate running of the humidifier from 1 to 9 hours.
  • Sleep mode – The humidifier adjusts its mist output, relative to the humidity level of the room. Thus, it would run nonstop for 1-8 hours without any risk of running out of water. So that you get a healthy and hassle free sleep .Thanks to ITC – Intelligent Temperature Compensation – the technology which creates relative humidity in accordance to the room temperature.
  • Incorporation of Industrial strength Titanium membrane surface which ensures for efficient diffusion of mist in the air.
  • Empty & cleaning indicators.
  • Noise free operation


The device comes in a sea blue colored body with a white base. The sea blue colored transparent structure is its removable water tank. This water tank fits into the base of the unit. By the design, water has to come down from the tank to get converted into the mist. And a seal joins the both parts. But this seal is not of the best quality. Thus, there may be some slight chances of leakage after prolonged use of the humidifier.

The mist vent is specifically designed in an incised shape, so that the mist gets absorbed quickly in the air, preventing any condensation. This uniquely shaped mist vent is adjustable and you can point it in the required direction as per your necessity.

Ease of Use

The device is very easy to handle. A carry handle at the top of the unit allows you to place the device anywhere you want. Even the controls are very user friendly, to select a desired function, you just have to press a single button on the front LCD panel. It also has an inbuilt indicator which comes on every time, when the device requires cleaning.

Humidity level and the amount of time you want it to run can be adjusted manually or you can use the automatic sleep mode, which is preset at 60% humidity for 8 hours.

If the water supply in your home has high mineral content i.e. the tap water that comes in your home is hard water, then you might have to replace the demineralization cartridge more frequently. Because, not doing that would result in the accumulation of a fine dust on your room’s furniture and curtains.

The transparent water tank has a capacity to hold 1.7 gallons of water. As it is transparent, you can easily check the water level whenever it is too low.


The ultrasonic Air-O-Swiss 7135 humidifier uses high-frequency vibrations to transform water into a fine mist that evaporates into the air. It has the ability to humidify rooms up to 650 square feet in size.

The device performs totally noise free. It is powerful and humidifies a good sized master bedroom very quickly, so you won’t need it to run all the time.

When the device is on sleep mode, it would ensure you get a comfortable night’s sleep. The main distinction of this ‘sleep’ mode is, you don’t have to worry about the device running out of water in the middle of night. Usually, humidifiers stop whenever they run out of water or start throwing dry air. But this unit adjusts itself very well relative to the room temperature, humidity level of the room and water available in the tank. It would decrease its output to ensure that it runs continuously for a complete night.

Air-O-Swiss 7135 can be summarized as the most complete and feature rich humidifier in the market. It has all sets of nice features such as – ITC technology, cool and hot mist option, Digital LCD panel, sturdy design and long durability. It is very affordable and a complete value for money product. Maintainence wise too, it’s very easy to operate and clean.

If you are looking for a humidifier that has all the modern qualities and fits your pocket, look no further.

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8. Honeywell Germ Free Cool Mist Humidifier HCM-350

It is capable to humidify medium to large sized rooms of up to 700 square feet and uses only 50 W of energy. As we know, evaporative humidifiers operate by pushing air through a wick that sits in water.

Moreover, the humidifier works almost silently ensuring you a quiet night’s sleep.


  • Incorporated germ killing technology, efficient in killing 99.99% of the mold, fungus and virus in the water.
  • Quiet Operation – Up to 25% Quieter than other evaporative humidifiers.
  • Dishwasher safe water tank and tray.
  • 700 square feet humidifying coverage, ideal for medium to large sized rooms.
  • Runs up to 24 hrs per filling.
  • Manual controls are easy to operate.
  • Translucent water tank made up of durable and break-less plastic.
  • ProTec Antimicrobial treated filter: Inhibits surface growth and prolongs the life of the filter.

Decent set of features, but its missing a few essentials including – automated controls, auto turn-off when empty and a warm mist option. 70/100 in the Features section.


HCM 350 is a decently designed humidifier with an all white body and soft edges which provide it an appealing look. It measures about 19 inches long, the device is heavier than its counterparts in the market. Even though, its bulkiness may not be appreciated by many but the main body of the humidifier is sturdy and made up of shatter proof plastic. The translucent blue strip at the side of the humidifier enables you to check the water level when required. The device comes with a built-in handle on the water tank for an easier cleaning/refilling operation.

Good design and build quality but a bulky size, overall.

Ease of use

In this humidifier, the wick is large enough and permits water to evaporate more efficiently and effectively that it would with smaller wicks. The tank opening is large enough, making the unit easy to fill quickly. But the large size and bulky design may prove to be a hindrance if you like to move your device too often. Since the no-slip rubber feet are uncharacteristically functional, and because the housing lacks a knob or clips to attach it to the base, only way to move this unit is to disassemble it by first turning it off, lifting out the tank, lifting off the unattached housing, then re-positioning the base (being careful not to spill), and then putting it back together.


HCM-350 involves a two step process to provide you with bacteria and germ-free air. The first process is the presence of an Ultraviolet lamp in the device, which effectively kills all the bacteria and other microbes present in the water. The second part is the Protec Antimicrobial filter, which prevents any bacteria or microbe to accumulate in the water. Though, the filters may require periodical cleaning and replacement. Noise level of this device is very low. When the device is on the high setting, the water will last for about 18 hours.

This means it can run through two nights without any need of a refill. Moreover, on the low setting mode, it can run for 4-5 nights easily. But, putting it on high performance mode would create some noise. Even though there is some sound, still the humidifier doesn’t sound too loud and harsh.

Regarding replacements, you need to replace the antimicrobial filter every month, which can be a bit hectic. The UV lamp lasts for about 3000 hours, approximately an year.

Performance wise, it is an above average performer.

In conclusion, the Honeywell HCM-350 is a good performing device that provides pleasant, hygienic and healthy moisture which is spread evenly in your room. The large size of the humidifier makes it a bulky device and not much portable. For the money it costs and absence of certain features such as Auto Shutoff, warm mist, humidistat and touch controls, it can make you to rethink twice before buying it.

Adding some more to your budget can land you with a better humidifier such as the Air-O-Swiss 7147, which has great features, the option for warm and cool mist and an LCD panel.

Honeywell HCM350W Germ Free Cool Mist Humidifier White
  • Cool mist humidifier: Add cool moisture to dry air with this quiet humidifier. The 1 gallon tank runs up to 24 hours on low, making this humidifier great for bedrooms & medium sized rooms in your home. Uv technology kills 99.9% of bacteria in the water.
  • Filtered Cool Moisture:Evaporative Technology blows moisture off a wicking filter, helping it evaporative into the air quickly. It's not possible to over-humidify with evaporative technology because you can't add more moisture to the air than it can hold.
  • Honeywell Humidifiers: Humidity levels in your home between 40-60% can make the air feel warmer & improve your breathing comfort, sleeping, nasal congestion & dry skin. Dry air can cause static electricity, damage wooden furniture & irritate health issues.
  • Humidifiers for Babies, Children, Adults: Humidifiers diffuse moisture into the air, and many find that a humidifier for the home, bedroom or nursery becomes an essential part of a good nights sleep when the air is dry, in allergy season, or when sick.
  • Honeywell quality: Help Improve Air Circulation & Energy Savings in Your Home, Bedroom or Office With Honeywell Fans.

Last update on 2021-02-17 / Affiliate links / Images from Amazon Product Advertising API



All the above mentioned are our choices for the best humidifiers for dry eyes you can find on the market.


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