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

Ultrasonic Humidifiers

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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 45 (of 45 products)   Result Pages: [<< Prev]   1  2  
    Product Name   Brand   Item   Price 
 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. 
 Crane Ultrasonic Humidifier EE-0864   Crane Ultrasonic Humidifier EE-0864   Crane   IA3883   $64.99  $59.99 
 Type: Cool Mist Ultrasonic Output: 1.29 Gallons Run Time: up to 18 Hours 
 AIR-O-SWISS Travel Ultrasonic Humidifier 7146   AIR-O-SWISS Travel Ultrasonic Humidifier 7146   AIR-O-SWISS   IA3459   $59.99  $39.99 
 Type: Cool Mist Ultrasonic Output: 1.0 Gallons Speeds: Continuously Variable Ideal for travel - uses your own water bottle 
 AIR-O-SWISS Ultrasonic Humidifier 7135   AIR-O-SWISS Ultrasonic Humidifier 7135   AIR-O-SWISS   IA3328   $189.99  $162.99 
 
Type: Warm or Cool Mist Ultrasonic Output: 3.5 Gallons Room Size: 650 sq ft Speeds: 4 Digital Humidistat
 
 AIR-O-SWISS Ultrasonic Humidifier 7142   AIR-O-SWISS Ultrasonic Humidifier 7142   AIR-O-SWISS   IA3329   $209.99  $199.99 
 Type: Warm or Cool Mist Ultrasonic Output: 3.5 Gallons Room Size: 650 sq ft Speeds: 3 Digital Humidistat 
 AIR-O-SWISS Ultrasonic Humidifier 7144   AIR-O-SWISS Ultrasonic Humidifier 7144   AIR-O-SWISS   IA3457   $209.99  $188.00 
 
Type: Warm or Cool Mist Ultrasonic Output: 3.5 Gallons Room Size: 650 sq ft Speeds: 3 Digital Humidistat
 
 AIR-O-SWISS Ultrasonic Humidifier 7145   AIR-O-SWISS Ultrasonic Humidifier 7145   AIR-O-SWISS   IA3458   $149.99  $139.99 
 Type: Cool Mist Ultrasonic Output: 3.0 Gallons Room Size: 600 sq ft Speeds: Continuously Variable 
 AIR-O-SWISS Ultrasonic Humidifier 7147   AIR-O-SWISS Ultrasonic Humidifier 7147   AIR-O-SWISS   IA3596   $189.99  $152.99 
 
Type: Warm or Cool Mist Ultrasonic Output: 3.5 Gallons Room Size: 650 sq ft Speeds: 4 Digital Humidistat, Soft-touch controls
 
 AIR-O-SWISS Ultrasonic Humidifier U200   AIR-O-SWISS Ultrasonic Humidifier U200   AIR-O-SWISS   IA3974   $119.99  $99.99 
 
Type: Cool Mist Ultrasonic Output: 1.8 Gallons Room Size: Small (up to 430 sq ft) Speeds: Continuously Variable
 
 AIR-O-SWISS Ultrasonic Humidifier U650   AIR-O-SWISS Ultrasonic Humidifier U650   AIR-O-SWISS   IA3598   $249.99  $239.99 
 
Type: Warm or Cool Mist Ultrasonic Output: 3.5 Gallons Room Size: 650 sq ft Speeds: 3 Digital Humidistat, Soft-touch controls w/Display Dimmer
 
 Displaying 36 to 45 (of 45 products)   Result Pages: [<< Prev]   1  2  

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