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AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers

Air O Swiss U650 Ultrasonic Humidifier
Expert:
Customer: 4.6/5 based on 9 reviews
 
See all customer reviews or write a customer review about Air O Swiss U650 Ultrasonic Humidifier.
 
Great and accurate humidifier
by: Steve (DC)

"I've owned the new AIR-O-SWISS U650 for about a week now. I have a single bedroom loft-style condo with 11 foot exposed concrete ceilings that measures about 650 sq ft of open space not including closets, utility area, etc. As of the this review the outside temperature is about 30 F here in DC and I..."
See entire review
 

Air O Swiss U650 Ultrasonic Warm & Cool Mist Humidifier

The AOS U650 humidifier by Air-O-Swiss make an excellent room humidifier for your home or office. The Air O Swiss U650 humidifies an area up to 650 square feet with a cool or warm mist. See AOS U650 rating and reviews.
 

Air-O-Swiss U650 Humidifier
Includes 1 Hydro Cell and 1 demineralization cartridge.

Availability: Shipping 01/06/2015, reserve now

 

AS HU U650
$239.99
Qty. 
 

Air-O-Swiss U650 Humidifier - Deluxe Package
Includes 3 Hydro Cells and 3 demineralization cartridges.

Availability: Shipping 01/06/2015, reserve now

 
AS HU U650D
$291.96
Qty. 
 

Air-O-Swiss U650 Humidifier - Supreme Package
Includes 3 Hydro Cells, 3 demineralization cartridges and 9 packets of EZCal cleaner

Availability: Shipping 01/06/2015, reserve now

 
AS HU U650S
$321.93
Qty. 
 

Supplies and Accessories
 
Availability: Shipping 01/06/2015, reserve now
 
AS HU HANNK
$103.94
Qty. 
 

  • Overview
  • Tech Specs
  • Customer Reviews
  • Supplies & Accessories

Description of Air-O-Swiss U650 Humidifier

With its sleek, high-quality design, efficient air humidification, and multitude of features, the Air-O-Swiss U650 Digital Ultrasonic Warm & Cool Mist Humidifier is the ultimate solution for those seeking to relieve dry skin, swollen nasal passages, asthma and other issues caused by dry air. A high-frequency vibration technology generates your choice of warm or cool micro-fine mist for optimal comfort. The thoughtfully designed Air-O-Swiss humidifier includes a Hydro Cell for fresh and clean humidication performance and a demineralization cartridge to help prevent white dust. The Intelligent Temperature Compensation (ITC) technology and built-in hygrometer monitors the temperature and humidity levels in order to provide the perfect amount of micro-fine mist for unsurpassed air quality. Additionally, ultra-quiet operation, a sleep mode function and a display dimmer for the controls allow you to sleep even more soundly. Operation is a breeze with its digital soft-touch controls and the large LCD display! This reliable machine comfortably humidifies a room up to 650 square feet and disperses up to 3.5 gallons of moisture per 24 hours.

Compare all models using our helpful Air-O-Swiss Comparison Chart.
See all Air-O-Swiss replacement filters and accessories.

Air-O-Swiss U650 Humidifier are ideal for someone who...
  • Needs relief from sore throat, dry nose, lips or skin.
  • Is seeking a stylish, compact humidifier for a room up to 650 square feet.
  • Wants a humidifier with built-in hygrometer and easy to read digital display.
  • Suffers from allergies, asthma or sinus pressure and wants a portable humidifier free of all common household mold and spores that can breed in tap water.

Features of Air-O-Swiss U650 Humidifier

  • Warm or cool mist option
  • Built-in digital hygrostat for controlled humidification
  • Intelligent Temperature Compensation (ITC) - automatically regulates the output to create the most comfortable relative humidity adjusted to the temperature in your room
  • Hydro Cell provides constant freshness in humidifier
  • Demineralization cartridge to prevent lime scales and mineral residues
  • State-of-the-art design with surface touch controls
  • Desired humidity level settings: 30% - 80%
  • Dual mist output direction control
  • Provides fast output of mist
  • 1 – 8 hours or continuous use timers
  • Sleep mode with display dimmer function
  • Mist output levels: 3
  • Virtually silent operation
  • Transparent tank
  • Automatic shut-off with tank empty indicator
  • Cleaning indicator
  • Equipped with stainless steel heat sink surrounding the titanium transducer
  • Long, durable and sturdy lifetime
  • Made in Korea

Display and Soft-touch Controls

Display and Soft-touch Controls
Removable Tank

Removable Tank
Hydro Stick Placement

Hydro Stick Placement

How it Works:

About Ultrasonic Technology: uses high-frequency vibration to generate a micro-fine mist. A fan blows the mist into the room where it immediately evaporates. Ultrasonic humidifiers consume very little power, are virtually silent and produce a fog-like mist.

Care of:

Cleaning: The recommended cleaning intervals depend on the air and water quality, as well as operating times. Every two weeks the water tank and base should be cleaned and rinsed with water only. Only use the brush that is included to clean the membrane once a week. Change the water in the tank at least once a week if water is standing for more than a week.

Replacements: The Hydro Cell is an advanced water maintenance system that ensures your humidifier's functionality while providing fresh humidification performance. It needs to be replaced every 1 - 2 months depending on water quality. The demineralization cartridge has to be replaced every 2-3 months. If the water is very hard, it may be necessary to replace the cartridge earlier. White dust around the device is a sure sign that the cartridge needs replacing.

See all Air-O-Swiss replacement filters and accessories.

Product Usage:

Please note: In order to maximize the performance it is recommended the unit be placed at least 2 feet off the floor to allow the mist the opportunity to evaporate before hitting the floor and to eliminate the carpeting or wood floor surrounding it from becoming damp.

The following situations could contribute to excessive white dust so are recommended to be avoided:
  • Using water that has been treated by a water softening system could result in an increased incidence of white dust due to the excess sodium in the softened water. Therefore, it is recommended to use water that bypasses the system, bottled, or distilled water.
  • Use of this product with a negative ionizer air purifier or air cleaner with an optional post ionizing function could contribute to an increased collection of dust on surfaces. If this occurs try operating this product without the negative ionizer air purifier or with the optional ionizing function on the air cleaner off.

 

Reports by Experts - Air-O-Swiss U650 Humidifier

Expert Review:    Courtesy of AllergyBuyersClub.com
EXPERT REVIEW PARAMETERSSTAR RATING
1. Room Coverage
2. Level of Quietness
3. Filter Life & Cost of Replacement Cartridges
4. Amount of Maintenance Required
5. Anti-bacterial Features
6. Ease of Filling
7. Ease of Operation and Filter Replacement
8. Quality of Construction
9. Humidistat to select desired humidity level & hygrometer to display the actual humidity in the room
10. Frequency of Filling
11. Value for Price


Once again Air-O-Swiss has introduced another terrific humidifier to its line-up. This model includes variable mist settings, digital touch controls to set the desired humidity and displays the actual humidity. The auto/sleep functions plus the choice of warm or cool mist and the large room coverage completes the package.

Pluses:

  • The AOS U650 immediately delivers a powerful mist into the air and can humidify a good-sized room up to 650 square feet rather quickly if the conditions are right (such as having the door closed). Due the amount of mist it can disperse we always recommend placing the humidifier on a nightstand or stool at least 2 feet high to prevent the floor from getting soaked.
  • We find our Air-O-Swiss humidifiers to be almost completely silent and basically can’t be heard when it is placed across the room. Other added features for those who want the best humidifier while sleeping is its night-time display dimmer (for those sensitive to light) and sleep mode which will control the perfect nighttime humidity level.
  • Air-O-Swiss has constructed a compact, lightweight and easy-to-fill tank. It fills from the bottom and can fit in the majority of sinks and some deeper bathroom sinks (the tank is 9" high).
  • Want a humidifier that will keep constant comfort without much effort on your part? The AOS U650 not only allows you to choose your desired humidity level but with its built-in hygrostat the humidifier will automatically adjust the humidity output when conditions change within the room. Plus it conveniently displays the actual humidity right on the unit.
  • The soft touch controls are sleek, modern and reliable. Plus, the digital display is the perfect size and easy to read. Reading the manual and getting used to the icons is a must if you want operation to be a breeze.
  • Its Hydro Cell and demineralization cartridge ensures only safe, hygienic mist is being dispersed. Plus, such protection will keep the tank and components in tip-top shape and prolong the life of the unit.
  • This is a robust humidifier with Swiss engineering and construction and will perform highly day in and day out. The AOS U650 and its manual U600 model are the only Air-O-Swiss humidifiers that come with a stainless steel heat sink instead of plastic surrounding the titanium transducer.
  • There is no doubt that this is one stylish humidifier that can fit nicely in almost any room without disrupting too much of the décor.
  • Due to its large room coverage and the Swiss engineering and construction, we consider the AOS U650 valuable for the money.

Minuses:

  • If you are humidifying one room, you will need to fill this humidifier up once per day, but if humidifying larger spaces fill-ups will be more frequent.
  • Cost of the humidifier and replacement cartridge and Hydro Cell is a bit more than the average humidifier but well worth the money.

Summary:

Air-O-Swiss has done it again with a model that does everything. This is certainly a durable, technologically advanced machine which will properly humidify a bedroom and bring relief to symptoms associated with dry air. The Air-O-Swiss U650 features a sleek style, state of the art controls and settings and the best of the best when it comes to humidification performance. Although a bit pricey, it is all worth it with what it delivers and is the right choice for someone looking for near perfection. We are pleased to offer yet another 5-star rated Air-O-Swiss humidifier to our lineup.

 

Technical Specifications of Air-O-Swiss U650 Humidifier

 
Air-O-Swiss U650 Humidifier
AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers
Room Coverage 650 sq. ft.
Tank Capacity 1.46 gallons
Humidification Performance Up to 3.5 gallons per 24 hours
Auto Shut-Off Yes
Noise Level <25 dB(A)
Power Supply (Volt, Hertz, Watts) 40 watts (cool mist), 125 watts (warm mist)
120V, 60Hz
Weight 8.8 lbs (without water)
Dimensions 14"H x 9.5"W x 11"L
Warranty 3 years

 

8
of 9 (89%) customers would recommend this product to a friend.
Customer Reviews Write a review  
Overall Rating:
Quality:
Value:
Effective/useful:
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Written By: Gregmon (Albuquerque)
I have used this product for: 1-3 months
Expertise: novice
This product is: a replacement for another, similar product
I'm not that happy Date: March 01, 2014
Pros: high quality, effective
Cons: did not meet my expectations , a chore to refill
I was getting over a cold and was willing to try anything, so I read the reviews and purchased this product. I should have returned it but dragged my feet on the 30-day policy and now I guess I have s... (see entire review)
Overall Rating:
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Written By: fran (philadelphia)
I have used this product for: 1-3 months
Expertise: intermediate
This product is: a replacement for another, similar product
Does exactly what it is supposed to do Date: March 10, 2011
Pros: reliable, effective, high quality, met my expectations, quiet, easy to use
Cons: pricey
I have bad allergies and the northeastern winters are tough on me when it gets cold with the dry air that comes along with it, and the heating system is cranked up. I constantly cough , however I purc... (see entire review)
4 of 4 people found this review helpful.
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Written By: Bob (Duluth, MN)
I have used this product for: 1-3 months
Expertise: intermediate
This product is: the first product I have had like this
Good product with a few design flaws Date: February 25, 2011
Pros: reliable, effective, high quality, quiet
Cons: difficult to use, user settings not stored when unit is shut off, no backlighting on buttons, "clean the unit" warning shuts the humidifier off
First of all this humidifier works as intended. I like the ability to use warm OR cool mist and it does a great job of adding moisture to the room I am in. I also like the stainless steel tank, the lo... (see entire review)
2 of 2 people found this review helpful.
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Written By: asl forever (Maryland)
I have used this product for: 1-3 months
Expertise: intermediate
This product is: a replacement for another, similar product
Does its job! Date: February 21, 2011
Pros: reliable, effective, high quality, quiet, easy to use
We need a humidifier because we supplement our heat with a wood burning stove. We have gone through at least 5 or 6 over the last 10 years (some really disappointing) and this one is by far the best. ... (see entire review)
2 of 2 people found this review helpful.
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Written By: tintin
silent and effective Date: January 10, 2011
Pros: high quality, effective, quiet, easy to use
Cons: would love more mist
This humidifier is extremely quiet and easy to use. I no longer suffer with a dry throat, nose and lips in the morning. I sleep very peacefully. I only wish it would make more mist, as my room is so d... (see entire review)
5 of 5 people found this review helpful.
Overall Rating:
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Written By: Steve (DC)
I have used this product for: less than a month
Expertise: expert
This product is: a replacement for another, similar product
Great and accurate humidifier Date: December 14, 2010
Pros: high quality, effective, quiet, easy to use, met my expectations, attractive
Cons: water tank is just a bit heavy to move when full
I've owned the new AIR-O-SWISS U650 for about a week now. I have a single bedroom loft-style condo with 11 foot exposed concrete ceilings that measures about 650 sq ft of open space not including clos... (see entire review)
30 of 30 people found this review helpful.
1-6 of 9 Next Page
 

 

Supplies & Accessories for Air-O-Swiss U650 Humidifier


Annual Kit
Air-O-Swiss Seasonal Replacement Kit AS HU HREPK  $51.97
Replacement kit is packaged to last the season. Includes 2 demineralization cartridges (replace every 2-3 months) and 1 Hydro Cell 2-Pack (replace very 1-2 months).

more info
Availability: Shipping 01/06/2015, reserve now
 

Air-O-Swiss Demineralization Cartridge
Set of 2 Air-O-Swiss Replacement Demineralization Cartridges #AOS 7531 AS HU KCART2  $34.95
2 replacement demineralization cartridges for Air-O-Swiss ultrasonic humidifiers. Replace every 2 months to prevent the release of minerals into the air.

more info
Availability: Shipping 01/06/2015, reserve now
 

Hydro Cells
Replacement Air-O-Swiss Hydro Cell 2-Pack AS HU KHYDRC  $19.99
Place Hydro Cell inside water tank to maintain water freshness. Includes 2 Air-O-Swiss Hydro Cells (replaces Hydro Stick). Replace every 2 months.

more info
Availability: Shipping 01/06/2015, reserve now
 

EZ Cal
EZ Cal Humidifier Cleaner #AOS 7417 AS HU EZK  $29.95
3 Packages of EZCal decalcification cleaner for all AOS units. 3 packets per package for a total of 9 packets. For best results, use 1 packet for 32 oz of water every 2 weeks.

more info
Availability: Ships out within 4-5 business day within the U.S. only.
 

Annual Kit
Air-O-Swiss Annual Replacement Kit AS HU HANNK  $103.94
Includes 4 demineralization cartridges (replace every 2 - 3 months) and 4 Hydro Cells (replace every 1 - 2 months)

more info
Availability: Shipping 01/06/2015, reserve now

 

 


AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers
Air-O-Swiss U650 Humidifier AS HU U650  $239.99
Air-O-Swiss U650 ultrasonic humidifier disperses cool or warm mist up to 650 sq. feet. Has a built-in digital hygrometer, soft-touch digital controls, sleep mode and dual output mist regulator button. Humidifier includes Hydro Cell and demineralization cartridge.

Availability: Shipping 01/06/2015, reserve now
 

AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers
Air-O-Swiss U650 Humidifier - Deluxe Package AS HU U650D  $291.96
Includes 2 additional Hydro Cells for a total of 3, and 2 additional demineralization cartridges for a total of 3.

Availability: Shipping 01/06/2015, reserve now
 

AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers
Air-O-Swiss U650 Humidifier - Supreme Package AS HU U650S  $321.93
Includes 2 additional Hydro Cells for a total of 3, 2 additional demineralization cartridges for a total of 3, plus 9 packets of EZCal decalcification cleaner.

Availability: Shipping 01/06/2015, reserve now
 

Annual Kit
Air-O-Swiss Annual Replacement Kit AS HU HANNK  $103.94
Includes 4 demineralization cartridges (replace every 2 - 3 months) and 4 Hydro Cells (replace every 1 - 2 months)

more info
Availability: Shipping 01/06/2015, reserve now

 

Annual Kit
Air-O-Swiss Seasonal Replacement Kit AS HU HREPK  $51.97
Replacement kit is packaged to last the season. Includes 2 demineralization cartridges (replace every 2-3 months) and 1 Hydro Cell 2-Pack (replace very 1-2 months).

more info
Availability: Shipping 01/06/2015, reserve now
 

Air-O-Swiss Demineralization Cartridge
Set of 2 Air-O-Swiss Replacement Demineralization Cartridges #AOS 7531 AS HU KCART2  $34.95
2 replacement demineralization cartridges for Air-O-Swiss ultrasonic humidifiers. Replace every 2 months to prevent the release of minerals into the air.

more info
Availability: Shipping 01/06/2015, reserve now
 

Hydro Cells
Replacement Air-O-Swiss Hydro Cell 2-Pack AS HU KHYDRC  $19.99
Place Hydro Cell inside water tank to maintain water freshness. Includes 2 Air-O-Swiss Hydro Cells (replaces Hydro Stick). Replace every 2 months.

more info
Availability: Shipping 01/06/2015, reserve now
 

EZ Cal
EZ Cal Humidifier Cleaner #AOS 7417 AS HU EZK  $29.95
3 Packages of EZCal decalcification cleaner for all AOS units. 3 packets per package for a total of 9 packets. For best results, use 1 packet for 32 oz of water every 2 weeks.

more info
Availability: Ships out within 4-5 business day within the U.S. only.
 

BGG Digital Hygrometer Thermometer Clock
BGG Digital Hygrometer & Thermometer Clock GE DE BGG02  $42.95
Combines three displays for time, temperature and humidity in one simple, user-friendly device. Includes max/min memory with reset for temperature and humidity. Features built-in tilt stand and wall mounting feature.

more info
Availability: Ships out in 2-3 business days, Lower 48 US states only.
 

 
 
You Might Also Like...
 
Replacement Air-O-Swiss Hydro Cell 2-Pack
AS HU KHYDRC
$19.99
Hydro Cells
 
 
Availability: Shipping 01/06/2015, reserve now

EZ Cal Humidifier Cleaner #AOS 7417
AS HU EZK
$29.95
EZ Cal
 
 
Availability: Ships out within 4-5 business day within the U.S. only.

BGG Digital Hygrometer & Thermometer Clock
GE DE BGG02
$42.95
BGG Digital Hygrometer Thermometer Clock
 
 
Availability: Ships out in 2-3 business days, Lower 48 US states only.
 
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