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Humidifiers » ** BUYING GUIDE ** » Warm Mist or Cool Mist? » Ultrasonic Humidifiers

Ultrasonic Humidifiers


Ultrasonic humidifiers are the quietest humidifiers around. They are so quiet, they are often described as being nearly silent. An ultrasonic humidifier uses the power of high frequency sound waves to vibrate a metal diaphragm at an "ultrasonic" frequency, thereby breaking the water in the humidifier down into an ultra-fine vapor mist. This vapor mist, which looks like a fog, is released into the air using a very small and quiet fan. Any minerals or impurities that are present in the water are released into the air with the mist. Many ultrasonic humidifiers use demineralization cartridges, which serve to trap these minerals before they are released into the air, although the demineralization cartridges are usually not 100% effective. You may want to use distilled water if you experience a problem with "white dust" settling on surfaces near the humidifier. Some ultrasonic humidifiers have a heating option as well, which heats up the water before releasing it into the air. This helps eliminate bacteria growth in the water, and also keeps the room from feeling too cold.
Pros: Cons:
Ultra quiet, near silent operation.
No wick filters to replace.
Low power consumption (when using cool mist).
Unless using distilled water, impurities can sometimes enter the air in the form of "white dust" (this can sometimes be controlled with a replaceable demineralization cartridge).
Most units are limited to small rooms only.
 Displaying 36 to 42 (of 42 products)   Result Pages: [<< Prev]   1  2  
    Product Name   Brand   Item   Price 
 Crane Adorable Frog Humidifier EE-3191   Crane Adorable Frog Humidifier EE-3191   Crane   IA3275   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 2.1 Gallons Run Time: 11-18 Hours 
 Crane Adorable Owl Humidifier EE-8189   Crane Adorable Owl Humidifier EE-8189   Crane   IA3879   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 2.1 Gallons Run Time: 11-18 Hours 
 Crane Adorable Panda Humidifier EE-3189   Crane Adorable Panda Humidifier EE-3189   Crane   IA3279   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 2.1 Gallons Run Time: 11-18 Hours 
 Crane Adorable Penguin Humidifier EE-0865   Crane Adorable Penguin Humidifier EE-0865   Crane   IA3278   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 2.1 Gallons Run Time: 11-18 Hours 
 Crane Adorable Pig Humidifier EE-4139   Crane Adorable Pig Humidifier EE-4139   Crane   IA3277   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 2.1 Gallons Run Time: 11-18 Hours 
 Crane Personal Ultrasonic Humidifier EE-5949   Crane Personal Ultrasonic Humidifier EE-5949   Crane   IA3882   $45.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 0.45 Gallons Run Time: up to 8 Hours. Alarm Clock, Nightlight. 
 Hunter 31011 Personal Ultrasonic Humidifier   Hunter 31011 Personal Ultrasonic Humidifier   Hunter   IA4050   $49.99  $36.99 
 
Type: Cool Mist Ultrasonic Room Size: Small Output: up to 1/2 Gallon Speeds: Continuously Variable Ideal for travel - uses your own water bottle
 
 Displaying 36 to 42 (of 42 products)   Result Pages: [<< Prev]   1  2  

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