AOS 2055A Automatic Air Washer Review

Average Reviews:

(More customer reviews)For details, including photos of the internal workings of this evaporative humidifier, look for the 2055 AirOSwiss reviews done elsewhere on Amazon which has plenty of images of the inner workings. To summarize, it's an evaporative humidifier which works by drawing air in through the top via a fan then over a disk pack of about 10 slowly rotating plastic disks which dip into a pool of water, then the air exits the side carrying the humidified air.
Pros: No heated element to worry about overheating when it runs dry, no ultrasonic misting to leave water droplets on carpet/furniture, easy to clean, no filters to be replaced, and it traps air particles on the discs with the water so it does 'wash' the air.
Cons: Evaporative which means it cools (fine for the desert country, not so good in winter in the Midwest), no heating, and the fill valve on the water tank is the stupidest location you can imagine, so that at best you can fill it only 3/4 full.
The other con: They SAY on their website they have a 10 year warranty, yet when I got this thing from Bed Bath and Beyond the plastic shaft inside had corroded from time and was crumbling. It was a major effort to get these guys to agree to replace it. It is NOT SAID on their warranty, but apparently the 10 year warranty does not apply to the rotating disc set (surprise!). I told them they had better put that in writing if they don't want to tick off a lot more customers other than me. They eventually replaced it. Also note, the 10 year warranty does NOT apply to the water tank and its part . . .that's only 3 months.
For $260 bucks or more, the above limitations cut it to a 3 star, even though it's a reliable humidifier that cranks out the humidity from the unit with no filters and very little maintenance. As a personal aside, I can't stand the reviews which deride humidifiers because their hygrometers show no change. Humidifiers can only be evaluated by how quickly they put water into the air . . . the ultimate humidity change is depending on the room's air flow, items of absorbency, and atmospheric conditions- none of which are in the control of a humidifier!

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AOS 2055A Automatic Air WasherHumidification SystemThis 2 in 1 Humidifier & Purifier washes and humidifies a room's air without evaporator mats. Special humidifier discs turn through the water removing impurities from the air naturally, which gives great relief to allergy sufferers. Therefore it is called an Air Washer. The discs, which never need replacing, have a great adhesion for water to guarantee high humidity output. The Air Washer is equipped with the Ionic Silver Stick (ISS) anti-microbial protection system that helps prevent microbial growth in the water base. Microbial protection is particularly needed when the humidifier is not used for some time with water remaining in the base. The AOS 2055A automatically switches off when the water base is empty.Comfort and ClimateThe pre-ionizer charges particles as they enter the air washer. These small charged particles, down to 1.5 microns, form larger dust clusters that cling to the humidifier discs and are removed as the discs turn through the water. This highly efficient process results in effective washing and humidification in rooms up to 600 sq ft (55m2)Special humidifier discs turn through the water, self-rinsing and cleaning the discs of impurities like a fresh rain cleans outdoor air - naturally (ideal for allergy sufferers)Water and HygieneThe Ionic Silver Stick and its anti-microbial qualities effectively prevent microbial growth in the water base; requires replacing just once a yearNo chemical additives requiredEnergy and PerformanceAutomatic Shut-Off when water base is emptyThe aerodynamic grid design optimizes air flow and the use of high-quality components make the Swiss engineered Air Washer 2055A the quietest unit in its classVery low power consumptionNo performance additives required Dimensions (LxWxH) 14.2 x 14.2 x 14.2 in / 36 x 36 x 36 cm Suitable for rooms up to 600 sq ft (55 m²)

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