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Air-O-Swiss U650 Ultrasonic Humidifier

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Air-O-Swiss U650 Ultrasonic Humidifier

  • Item #: AO0017
  • Ships today !

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Air-O-Swiss U650 Ultrasonic Humidifier

As one of the latest additions to the Air-O-Swiss line of home humidifiers, the Air-O-Swiss U650 is an ideal humidifier for keeping your home comfortable during the dry winter months. With convenient digital, soft touch controls, a sleek new design, and quiet efficiency, the AOS U650 displays the very best that Air-O-Swiss has to offer in a humidifier.

With the Air-O-Swiss U650 ultrasonic humidifier you have your choice of either warm or cool mist from dual mist outputs. An easy to read LCD displays allows you to quickly and easily determine what the relative humidity is, while alerting you when the tank is empty or when the unit needs to be cleaned. A Sleep Mode allows you to set the U650 and sleep peacefully, knowing you won't wake up to a sore throat or hoarse cough. Once filled with water, you set the humidity you want or allow the humidifier to set it for you with its built-in ITC (Auto Mode), and the AOS U650 quietly goes to work humidifying the air in any room in your home.

In line with other Air-O-Swiss ultrasonic humidifiers, the U650 uses high-frequency ultrasonic vibrations from a titanium coated diaphragm to turn the water in your tank to mist. The included Hydro Cell provides constant freshness in these humidifiers. The Hydro Cell uses activated carbon to remove impurities from the water, while a demineralization cartridge, which should be replaced every three months, prevents mineral residues from contaminating the water or becoming aerosolized and sprayed into the air. Lastly, a pre-heat feature not only warms the water but also helps to control microbes in the nebulizer reservoir. These four things work together to make Air-O-Swiss U650 one of the most hygienic and safest humidifiers on the market.


  • Intelligent Temperature Compensation (ITC) - regulates output, adjusted to temperature of room.
  • Dual, warm mist humidifier (preheats water to 176° F) and cool mist humidifier
  • Hydro Cell, Ultrasonic Vibrations & Demineralization Cartridge work to capture minerals and remove/destroy microbes in the water before they are dispersed into the air
  • Hygrostat & Mist Output Regulator
  • Empty Tank & Cleaning Indicators
  • Auto Shutoff when tank is empty
  • Sleek Modern design with large LCD Display
  • Display Dimmer
  • Surface Touch Buttons
  • Sleep Mode with Timer
  • Timer: Set unit for 1 to 8 hours of run time
  • Diaphragm has a Titanium Membrane for increased longevity
  • Large and Transparent water tank (water level clearly visible)
  • Ultra Quiet Operation
  • Energy Efficient
  • 3 Year Warranty

Customer Reviews

1 Item(s)

Great product
I love this humidifier. It is very practical, small and very quiet. The price was very low and shipping very fast.
Review by ne customer / (Posted on 5/8/2015)

Air O Swiss U650 Ultrasonic Humidifier Reviews

Product Questions

I just bought the U650 and it came with a hydro cell in a bag inside the box, yet nowhere in the manual does it even mention a hydro cell! Where is it supposed to go and what does it do? Also, does not mention automatic shut off. What if the unit runs out of water when I am not home to refill? THX

Air-O-Swiss U650 Ultrasonic Humidifier Additional Resources

Air-O-Swiss U650 Humidifier User Manual ,Air-O-Swiss U650 Quick Set Up Guide