Air-O-Swiss AOS Ultrasonic Humidifier - 7135
by Air-O-Swiss
Our Price: $177.99
Availability: Usually ships in 1-2 business days
Buy Used: from $99.99 (click here)
Category: Kitchen
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Product Summary
Manufacturer: Air-O-SwissBrand: Air-O-Swiss
Model: AOS 7135
Product features:
- Tri-band microbial protection (Ionic Silver Stick, Pre-heating, Ultrasonic System)
- Ionic Silver Stick uses aqueous silver ions to prevent and control microbial growth
- Choose cool or warm (104°F) humidification
- Ambient temperature is not cooled down
- Improved system to keep the water clean
Kitchen and Housewares Reviews of Air-O-Swiss AOS Ultrasonic Humidifier - 7135
Customer Review: Indeed the Best Humidifier on Market
Summary: 5 Stars
I went to a local Bed Bath and Beyond to find silent or near silent humidifier. Salesman introduced this Air-O-Swiss as the best machine on market. He added Venta-Sonic does the same job but costs $50 less, and all other brands can't compare. I bought both units to compare. Air-O-Swiss is a clear winner, hands down.
The two machines sat side-by-side. It's clear immediately to everyone that Air-O-Swiss is quieter. Even at highest setting, Air-O-Swiss' noise level and frequency are lower than Venta-Sonic's, and they blend nicely into background. They don't give me headaches as Venta-Sonic. At lower settings, Air-O-Swiss can be virtually silent. With Air-O-Swiss on, I slept very well. The next night was Venta night. Unfortunately, the base machine noise was just as bad as the first unit that I returned earlier for noise problems. I tried to go to sleep with it on but after a few hours, headaches and agitation from the noise made me shut it off and switch on Air-O-Swiss and slept through afterwards.
I kept on alternating units days and nights to observe results from continued operation. After three days, Venta-Sonic unit began to add that strange squeeking noise. Air-O-Swiss gave consistent good near silent performance...and going strong still. Just based on noise-level alone, I had to return Venta-Sonic even though Air-O-Swiss costs $50 more. But that extra costs are further justified by the following:
1. Consistent Performance - I can put Air-O-Swiss on automatic mode with preset humidity level before I go to sleep, when I wake up, my bedside humidity reader (far away from the machine) has within 1% margin of error to the preset desired level.
Venta-Sonic however, I can put it to MAX settings, and I get only around 32% sometimes and other times anywhere below 50%.
2. Greater Output Capacity - My bedroom is 300 square feet+, half of 600 both machines claim can cover. Air-O-Swiss comfortably reaches my desired level (b/w 40% and 50%) with lower settings (It can go as high as 75%, I only set it up to 50%). Venta-Sonic labors over 8 hours at MAX settings and gets me LESS humidity! It won't get me above 50%.
3. Ease of Use with Digital Control - I like Air-O-Swiss' Auto Mode with Desired Humidity Setting. The machine adjusts output automatically. Venta-Sonic only has two dials, you'll have to experiment for a while to find the optimal settings. As soon as atmospheric humidity changes, which can be daily or a few hours, you'd have to re-adjust again...that's like shooting darts in the dark all the time, you can get close if lucky but never on target.
4. Better Mist Venting Notch Design - I put both machines on 3-feet-tall dresser. Air-O-Swiss' notch is tilted higher than Venta's. This means when operating cold mist, Air-O-Swiss's disappears into air vs. some Venta's still hit the floor - not enough to form condensation but less efficient in humidifying - perhaps that contributes to Venta's lower output previously mentioned.
5. Better Craftsmanship - Venta-Sonic is a notch below Air-O-Swiss, appears to be made simpler and CHEAPER.
Filter changes and clean up are similar. Venta needs to change filter cup. Air-O-Swiss needs filter cup and once-a-year silver stick change. Both are fool proof. Venta filters are more expensive but Air-O-Swill has extra silver stick. Cost-wise it's similar. I like Air-O-Swiss's option of replacing resins - just dump old resin in filter cup and put new packet in and you get a NEW filter - this cuts cost by almost 65% and less trash for the environment.
Water tank design is similar. Both fills water upside down. I still prefer Air-O-Swiss because the top is more leveled, easier to sit in sink or bath tub than Venta's tilted top. When moving Venta-Sonic, water spilled between base and tank. I had no problem with Air-O-Swiss.
Anything Air-O-Swiss can improve? Sure! The humidity reader on the machine is adjusted about 13% lower than actual average room humidity. They probably did it to ensure average humidity far away from the unit reaches target, but I think they can do so internally without having to show it. It would be a mistake to read the room humidity off that machine.
After I got the machines, I googled on both. There was one review elsewhere saying that Venta-Sonic broke after a month and half, out of store 30-day warranty and owner took a loss. Air-O-Swiss has 3 year warranty, if I remember correctly, Venta 1 year.
The trouble I went through is worth the finding of the right humidifier for me. Hope this helps those with similar concerns!
Description of Air-O-Swiss AOS Ultrasonic Humidifier - 7135
The Air-O-Swiss Ultrasonic Warm Mist Humidifier uses high-frequency vibration to generate a micro-fine mist. It has a built-in hygrostat and an output regulator button. A replaceable demineralization cartridge ensures a hygienic, pure water mist, without lime scale or mineral residues. When operated with the pre-heating function, the water is heated to 176°F before it enters the nebulizer chamber. The mist exits the humidifier at a comfortable 104°F, so the mist does not cause room temperature to fall. Pre-heating also keeps the water cleaner. The Air-O-Swiss Ultrasonic Warm Mist Humidifier also features Automatic and Sleep modes. Automatic mode maintains ideal humidity you select in relation to room temperature. When the Sleep mode is set, the unit shuts off after eight hours. Powerful and exchangeable demineralization cartridge prevents white dust Built-in hygrostat for controlled humidification Timer Auto and Sleep modes Output regulator button Multi-function LCD display Powerful and exchangeable demineralization cartridge Quiet operation Easy-to-clean and handle Mains voltage - 120 V/60 Hz Power consumption - 40 W (without preheating), 140 W Room coverage - up to 600 sq. ft. Humidification performance - up to 3.5 gallons/24h Water capacity - up to 2 gallons Unit Dimensions - (L x W x H) - 15.2 x 8.8 x 15.4; Weight - 7 lbs (empty)Kitchen and Housewares
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