Air-O-Swiss AOS 7147 Ultrasonic Humidifier

Review: Air-O-Swiss AOS 7147 Ultrasonic Humidifier

The Air-O-Swiss AOS 7147 is a digital ultrasonic humidifier which uses high-frequency vibrations to generate a micro-fine mist. It is the ideal solution if you are looking to humidify a room of up to 600 square ft. in size. You can choose between warm and cool mist and then the AOS 7147 uses Intelligent Temperature Compensation (ITC) to automatically adjust the mist output  to create the ideal level of humidity based on the temperature inside your space. This model is extremely high-tech compared to other humidifiers on the market, with features like surface touch controls and a titanium membrane surface to ensure quick dispersal of mist to the air.


  • Fitted with a Hydro Cell which reduces heavy metals, impurities, chemicals and pestisides from your tap water

  • Intelligent Temperature Compensation technology controls the output of mist to achieve the an ideal humidity

  • Ultra quiet operation
  • Sleep mode adjusts levels for perfect sleeping conditions

  • Programmable timer for 1 – 8 hours of continuous use

What we think

 The Air-O-Swiss AOS 7147 Ultrasonic Humidifier sits comfortably in the mid-sized room niche with a very smart & stylish design and because of its output capacity, also in a higher price bracket. We like the fact that it has a humidistat which constantly measures the humidity in order to provide the perfect mist output and that it goes the extra mile to remove some of the harmful substances from the tap water. 

Buy now

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What others think

“I decided to go with the AOS 7147 because most reviewers agree that it is really quiet, and because I liked the clean look and the features.” (FFDR, Chicago, IL)

“I bought this rather expensive humidifier after a lot of research, and frustration with a cheaper one that only worked once. This has turned out to be well worth the price I paid for it — as soon as we started using it, we saw our winter-standard scratchy throat and stuffy nose problems go away. I used it all winter and it has not given me any trouble so far.” (SunFest , VA)

“Love this product. Bought 2 of them for my kids rooms. I was tired of using the cheap humidifiers and the expensive filters that needed to be changed about every other week. The silver component in this humidifier is much better to have and I love the fact that is machine can do hot or cold mist and you can increase the humidity output. Very pleased with this product.” (Kevin H)

Product Specs: Air-O-Swiss AOS 7147 Ultrasonic Humidifier

Product Dimensions: 14 x 11.6 x 11.6 inches
Weight: 9 pounds
Max run time: 3-5 hours
Water tank: over 1 gallon
Manufacturer: Air-O-Swiss
Product Website: Link
About Humidifiers
A humidifier can increase the amount of humidity in the air. It is beneficial for people who live in areas that have a very dry or desert climate and where indoor heating is a must.

  • Prevents dry skin
  • Prevents nose and throat discomfort
  • Maintains a comfortable level of humidity
  • Keeps nasal passages hydrated
  • Allows comfortable sleep
  • Protects furniture
  • Helps plants growth

Buy now

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