
Experts praise the Air-O-Swiss Ultrasonic 7144 for its near-silent operation, super-fine mist and effective humidification. This humidifier, which can release cool and warm mist, uses ultrasonic technology to disperse water into the air. This makes it exceptionally quiet to run but may lead to white dust settling on your furniture from minerals in the water. (The machine comes with a demineralization cartridge, but many users say it does not really fix the problem.) The Air-O-Swiss 7144 has a 1.5-gallon tank and theoretically produces enough humidity for a room of up to 650 square feet, although some user reviews say this is exaggerated. User reviews we read for this model were somewhat mixed. Most users like the Air-O-Swiss 7144's quiet operation, adjustable humidity and sleek design, but several complain of white dust and say that the tank is difficult to refill. This model is also more expensive than most and requires a new water-freshening hydro stick each year, along with fresh demineralization cartridges every two to three months. If you don't want to spend as much, the cool-mist Crane EE-5301 (*Est. $45) gets good reviews, but it can only cover an area of about 250 square feet.
We found expert reviews for the Air-O-Swiss 7144 at AllergyBuyersClub.com, the Good Housekeeping Research Institute and Wired magazine. AllergyBuyersClub.com also has about 20 owner reviews for this model, and we found around 60 user comments -- some very detailed -- at Amazon.com.
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| Air-O-Swiss AOS 7144 Ultrasonic Humidifier | |
(81 reviews) In Stock. Eligible for FREE Super Saver Shipping |
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Our Sources
Reviewer Michael Lasky gives the Air-O-Swiss 7144 a score of 8 out of 10 in this review. He says the Air-O-Swiss can raise a room's humidity from 39 to 50 percent in less than half an hour (though the size of the room isn't mentioned). Overall, Lasky says it works very well and is "extremely quiet," but that refilling the tank "can be messy."
Review: Air-O-Swiss Ultrasonic Humidifier AOS 7144, Michael S. Lasky, March 25, 2009
This site has an expert review from Mercia Tapping, president of AllergyBuyersClub.com, and about 20 reviews contributed by visitors to the site. According to Tapping, the Air-O-Swiss 7144 is almost silent, easy to use and effective, but the digital display tends to fluctuate. Users here also like it; 89 percent say they would recommend it.
Review: Air-O-Swiss 7144 Ultrasonic Warm Cool Mist Humidifiers, Mercia Tapping
The Good Housekeeping Research Institute tests 21 humidifiers, including the Air-O-Swiss 7144, which editors describe as a "splurge-worthy pick." However, the discussion of this model lacks substance, and there's little information detailing how the humidifier was tested.
Review: Best Humidifiers, Editors of the Good Housekeeping Research Institute
4. Amazon.com
About 60 users weigh in on the Air-O-Swiss 7144 at Amazon.com, where it receives an average rating of 3.5 stars (out of 5). Most like its quiet operation, attractive design and adjustable humidity level. However, some find the water tank hard to fill, the demineralization cartridge ineffective at controlling white dust and the machine unable to humidify a 650-square-foot space.
Review: Air-O-Swiss AOS 7144 Ultrasonic Humidifier, Contributors to Amazon.com
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