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Compare Ultrasonic Humidifiers

Ultrasonic humidifiers use high-frequency vibrations to generate a micro-fine cool or warm mist. This micro-fine mist is blown into the room where it immediately evaporates to create a comfortable environment. Ultrasonic humidifiers are virtually silent and make for an excellent choice in the bedroom. Our Air-O-Swiss humidifiers are best in class and meets all your needs when it comes to efficient humidification. The pureguardian™ humidifiers are our top value ultrasonic humidifiers that are easy to clean and maintain.
 

 
 

Compare Ultrasonic Humidifiers - Comparison

 
Air-O-Swiss 7144 Ultrasonic Warm & Cool Mist Humidifiers


$209.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.5 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: digital LCD display with push-button controls
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Durable construction with sleek and stylish design
  • Dual-mist output regulators
  • Easy to carry and fill tank
  • Integrated humidistat and hygrometer for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
  • Hygrometer's settings can sometimes waver before giving accurate reading
AS HU U7144 $209.99
 
Availability: Ships out next business day within the U.S. only.

 
AIR-O-SWISS U650 Digital Ultrasonic Warm & Cool Mist Humidifiers

$239.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.46 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Digital display with soft-touch controls
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Robust construction with sleek and stylish design
  • Soft-touch digital controls
  • Features a stainless steel heat sink for added durability and quicker heat up time
  • Integrated humidistat and hygrometer for controlled humidification
  • Includes nighttime display dimmer
  • Dual-mist output regulators
  • Compact and easy to fill and carry water tank
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
  • Hygrometer's settings can sometimes waver before giving accurate reading
AS HU U650 $239.99
 
Availability: Ships out next business day within the U.S. only.

 
Stadler Form William Ultrasonic Cool & Warm Mist Humidifiers

$229.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.5 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Digital display with push-button controls
  • Warranty: 1 year
  • Accessories included: Ionic Silver Cube and Anti-Calcium cartridge
  • Integrated hygrostat determines the perfect level of moisture
  • Ionic Silver Cube and anti-calcium cartridge keeps the water clean and pure
  • Quiet and powerful but still low in power consumption
  • Has sleep mode with dimmed lights
  • Easy-to-use digital controls
  • Compact, lightweight water tank with carry handle
  • Sleek, modern design with compact, lightweight water tank
  • Need to replace the Ionic Silver Cube and anti-calcium cartridge periodically
ZS HU BLACK $229.99
 
Availability: Ships out in 1 - 2 business days. Does not ship to Canada

 
 AIR-O-SWISS 7133 Ultrasonic Humidifiers

$179.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.7 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Controls: Digital display with push-button controls
  • Auto Shut-Off: Yes
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Sturdy and reliable design and construction
  • 360° directional mist output regulator
  • Lightweight, transparent water tank with 1.7 gallon capacity
  • Integrated humidistat and hygrometer for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Tank is a bit larger and more cumbersome to fill compared to some of the other Air-O-Swiss models
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
AS HU 7135 $179.99
 
Availability: Ships out next business day within the U.S. only.

 
pureguardian™ H1600 Ultrasonic Humidifiers

$129.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 200 sq. ft.
  • Water Capacity: 1.2 gallons
  • Humidification Performance: Up to 1.6 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Digital display with push-button controls
  • Warranty: 3 years
  • Simple, stylish humidifier that's perfect for smaller rooms (nurseries, office space, bedroom)
  • Virtually maintenance-free, no cartridges or filters to replace
  • Uses Silver Clean™ technology to fight the growth of mold and mildew on the surface of the tank
  • Ultrasonic technology for virtually silent operation
  • Easy to use Digital controls
  • No humidistat
  • Only for smaller rooms

GG HU H1600 $129.99
 
Availability: Ships out within 1 - 3 business days.

 
Stadler Form Hera EMS-300 Humidifiers

$199.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 600 sq. ft.
  • Water Capacity: 2 gallons
  • Humidification Performance: up to 2.64 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Digital display with push-button controls
  • Warranty: 1 year
  • Accessories included: Ionic Silver Cube and Anti-Calcium cartridge
  • Boasts large 2 gallon tank
  • Integrated hygrostat determines the perfect level of moisture
  • Ionic Silver Cube and anti-calcium cartridge keeps the water clean and pure
  • Has sleep mode with dimmed lights
  • Modern, tower-like design
  • Its larger sized tank could be heavy to carry when full for some
  • Need to replace the Ionic Silver Cube and anti-calcium cartridge periodically
ZS HU HERA $199.99
 
Availability: Ships out in 1 - 2 business days. Does not ship to Canada

 
AIR-O-SWISS 7147 Ultrasonic Warm & Cool Mist Humidifiers

$169.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.32 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Controls: digital display with soft-touch controls
  • Auto Shut-Off: Yes
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Sturdy and reliable design and construction
  • Soft-touch digital controls
  • Dual-mist output regulators
  • Compact and easy to fill and carry transparent water tank
  • Integrated humidistat and hygrometer for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
  • Hygrometer's settings can sometimes waver before giving accurate reading
AS HU 7147 $169.99
 
Availability: Ships out next business day within the U.S. only.

 
AIR-O-SWISS 7133 Ultrasonic Warm & Cool Mist Humidifiers

$150.00 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.7 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Manual
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Sturdy and reliable design and construction
  • Easy-to-use manual control knobs
  • 360° directional mist output regulator
  • Lightweight, transparent water tank with 1.7 gallon capacity
  • Integrated manual humidistat for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Doesn't have a digital display to tell you the actual humidity in the room like the 7135 model but does have a manual humidistat
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
AS HU 7133 $150.00
 
Availability: Ships out next business day within the U.S. only.

 
AIR-O-SWISS U600 Manual Ultrasonic Warm & Cool Mist Humidifiers

$179.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 650 sq. ft.
  • Water Capacity: 1.46 gallons
  • Humidification Performance: up to 3.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Manual dials
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Robust construction with sleek and stylish design
  • Manual control knobs
  • Features a stainless steel heat sink instead of plastic for added durability and quicker heat up time when in warm mist mode
  • Compact and easy to fill and carry water tank
  • Dual-mist output regulators
  • Integrated manual humidistat for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge and Hydro Stick keeps humidifier clean and fresh longer
  • Doesn't have a digital display to tell you the actual humidity in the room like the U650 model but does have a manual humidistat
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
AS HU U600 $179.99
 
Availability: Ships out next business day within the U.S. only.

 
Home Comforts Ultrasonic Dual Mist Humidifiers

$84.95
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 500 sq. ft.
  • Water Capacity: 1.05 gallons
  • Humidification Performance: Up to 400 ml per 10-12 hours
  • Controls: manual knobs
  • Auto Shut-Off: Yes
  • Warranty: 1 year
  • Accessories Included: ION Exchange Filter
  • Simple, affordable design for rooms up to 500 sq. ft.
  • Effectively disperses either warm or cool mist for optimal comfort
  • ION exchange filter treats water to remove scale-forming calcium and magnesium from hard water (no white dust)
  • Split nozzles for 360° adjustable direction
  • No humidistat
  • No digital display

SN HU 4010 $84.95
 
Availability: Ships out within 2 - 3 business days. Ships within the 48 contiguous US only.

 
Air-O-Swiss 7145 Ultrasonic Cool Mist Humidifiers

$139.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 600 sq. ft.
  • Water Capacity: 1.3 gallons
  • Humidification Performance: up to 3 gallons per 24 hours
  • Controls: Manual
  • Auto Shut-Off: Yes
  • Warranty: 3 years
  • Accessories Included: Hydro Stick and Demineralization Cartridge
  • Sturdy and reliable design and construction
  • Easy-to-use manual control knobs
  • Compact and easy to fill and carry water tank
  • Dual-mist output regulators
  • Integrated manual humidistat for controlled humidification
  • Virtually silent operation
  • Demineralization cartridge prevents limescale and mineral residue – no white dust
  • Doesn't have a digital display to tell you the actual humidity in the room like the 7147 model but does have a manual humidistat
  • Have to replace Hydro Stick and demineralization cartridge but both keep humidifier operating at its highest level
  • There is no warm mist option
AS HU M7145 $139.99
 
Availability: Ships out next business day within the U.S. only.

 
pureguardian™ H1500 Ultrasonic Humidifiers

$119.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 200 sq. ft.
  • Water Capacity: 1.2 gallons
  • Humidification Performance: Up to 1.6 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Manual
  • Warranty: 3 years
  • Simple manual controls to control operation
  • Virtually maintenance-free, no cartridges or filters to replace
  • Stylish humidifier that's perfect for smaller rooms (nurseries, office space, bedroom)
  • Uses Silver Clean™ technology to fight the growth of mold and mildew on the surface of the tank
  • Ultrasonic technology for virtually silent operation
  • Optional nightlight
  • No humidistat
  • Only for smaller rooms

GG HU H1500 $119.99
 
Availability: Ships out within 1 - 3 business days.

 
Stadler Form Anton Ultrasonic Cool Mist Humidifier

$139.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 250 sq. ft.
  • Water Capacity: 0.8 gallons
  • Humidification Performance: up to 1 gallon per 24 hours
  • Controls: manual
  • Auto Shut-Off: Yes
  • Warranty: 1 year
  • Quick delivers a comfortable cool mist
  • Ionic Silver Cube keeps water clean and pure
  • Easy to use controls are out of sight and under the unit
  • Small, compact tank is easy to fill and carry
  • Good for night time use - quiet operation and can dim the front light
  • No built-in humidistat
  • Can be hard to find the controls at first

ZS HU ANTO $139.99
Color
Quantity
 
 
Availability: White is out of stock Other colors ship out in 1 - 2 business days. Does not ship to Canada

 
Stadler Form Aquila Ultrasonic Cool Mist Humidifier

$79.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: personal areas up to 100 sq. ft.
  • Water Capacity: 0.8 gallons
  • Humidification Performance: up to 1 gallon per day
  • Controls: on/off button
  • Auto Shut-Off: Yes
  • Warranty: 1 year
  • Auto Shut-Off: Yes
  • Equipped with an Ionic Silver Cube and anti-calcium cartridge to maintain water purity in the tank and reduce white dust
  • Stylish design with durable construction
  • Simple operation and user-friendly
  • Delivers a powerful cool mist for personal areas
  • Will not sufficiently humidify a large area
  • Does not have a humidistat to control the desired humidity in the room

ZS HU AQUILA $79.99
 
Availability: Ships out in 1 - 2 business days. Does not ship to Canada

 
Stadler Form Jerry EMS-200 Ultrasonic Humidifiers

$49.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 15 sq. ft.
  • Water Capacity: 10.2 oz - 17 oz. water bottle
  • Humidification Performance: 0.76 gallons per 24 hours
  • Controls: Manual dial
  • Warranty: 1 year
  • Our smallest humidifier. Great for traveling or while in the office
  • Uses a water bottle instead of bulky, messy tank
  • Quiet operation
  • Energy efficient
  • Will not properly humidify large areas
  • Does not have a humidistat

ZS HU JERRY $49.99
 
Availability: Ships out within 1 - 2 business days. Does not ship to Canada

 
Crane Germ Defense EE-8064 Ultrasonic Humidifier

$109.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist
  • Room Coverage: 500 sq. ft.
  • Water Capacity: 1.2 gallons
  • Humidification Performance: up to 2.5 gallons per 24 hours
  • Controls: digital
  • Auto Shut-Off: yes
  • Warranty: 1 year
  • Built-in humidistat for controlled humidification
  • Antimicrobial protection in the tank to fight mold and mildew
  • 360° split nozzles to direct mist
  • Auto shut-off when tank is empty
  • No digital readout of the actual humidity in the room

CJ HU 8064 $109.99
 
Availability: Ships out within 1 - 3 business days.

 
Crane Germ Defense EE-8065 Ultrasonic Humidifier

$79.99 and up
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist
  • Room Coverage: 500 sq. ft.
  • Water Capacity: 1.2 gallons
  • Humidification Performance: up to 2.5 gallons per 24 hours
  • Controls: manual knobs
  • Auto Shut-Off: yes
  • Warranty: 1 year
  • Features simple operation - great for a child's bedroom
  • Antimicrobial protection in the tank to fight mold and mildew
  • 360° split nozzles to direct mist
  • Auto shut-off when tank is empty
  • No built-in humidistat

CJ HU 8065 $79.99
 
Availability: Ships out within 1 - 3 business days.

 
pureguardian™ H4500 Ultrasonic Humidifiers

$169.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 500 sq. ft.
  • Water Capacity: 2.4 gallons
  • Humidification Performance: 2.2 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls:
  • Warranty: 3 years
  • Higher capacity tank and can run for up to 5 days on its lowest output level
  • Virtually maintenance-free, no cartridges or filters to replace
  • Uses Silver Clean™ technology fights the growth of mold and mildew on the surface of the tank
  • Silent operation
  • Simple and stylish design
  • No hygrometer or humidistat
  • Larger tank is more difficult to fill
GG HU H4500 $169.99
 
Availability: Ships out within 1 - 3 business days.

 
pureguardian™ H1000 Ultrasonic Humidifiers

$49.95
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 15 sq. ft.
  • Water Capacity: 0.23 gallons
  • Humidification Performance: up to 0.7 gallons per 24 hours
  • Controls: On/Off button
  • Auto Shut-Off: Yes
  • Warranty: 3 years
  • Small and compact for traveling and storing
  • Provides a powerful cool mist considering its size
  • Sturdy and durable design
  • Very lightweight and easy-to-fill tank
  • Energy saving
  • Only suitable for a small area
  • Cannot adjust mist output

GG HU 1000 $49.95
 
Availability: Ships out within 1 - 3 business days.

 
Portable Water Bottle Cool Mist Humidifiers

$44.95
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 15 sq. ft.
  • Water Capacity: 10.2 oz - 17 oz. water bottle
  • Humidification Performance: 0.76 gallons per 24 hours
  • Controls: Manual dial
  • Warranty: 1 year
  • Unique design that uses a water bottle instead of tank
  • Compact and portable - great for traveling
  • Sturdy and durable design
  • Available in 3 fun colors with LED light at nozzle
  • Energy saving
  • Only covers a small area

SN HU 51WB $44.95
Choose Color
Quantity
 
 
Availability: Ships out in 1 - 2 business days. Ships within the 48 contiguous US only.

 
Stadler Form Hydra Humidifier

$99.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool mist with ultrasonic technology
  • Room Coverage: 440 sq. ft.
  • Water Capacity: 1.6 gallons
  • Humidification Performance: up to 2 gallons per day
  • Controls: manual
  • Auto Shut-Off: Yes
  • Warranty: 1 year
  • Triple water quality protection prevents bacteria, germs, and minerals
  • Virtually silent operation
  • Easy to operate controls and built-in manual humidistat to control desired humidity level
  • Contemporary design will fit almost any room decor
  • Have the cost of replacing Ionic Silver Cube and anti-calcium cartridge
  • No hygrometer to display the actual humidity in the room

ZS HU HYDRA $99.99
Out of Stock
Availability: Out of stock

 

$129.99
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Technical Specs + Pluses - Minuses Order Product
  • Type: Cool or warm mist with ultrasonic technology
  • Room Coverage: 400 sq. ft.
  • Water Capacity: 1.4 gallons
  • Humidification Performance: up to 2.5 gallons per 24 hours
  • Auto Shut-Off: Yes
  • Controls: Manual
  • Warranty: 3 years
  • Provides warm or cool mist for optimal comfort
  • Virtually maintenance-free, no cartridges or filters to replace
  • Uses Silver Clean™ technology to fight the growth of mold and mildew on the surface of the water tank
  • Adjustable spray function helps regulate the volume of spray you desire
  • Easy operation
  • Virtually silent
  • No hygrometer or humidistat

GG HU 2000 $129.99
 
Availability: Ships out within 1 - 3 business days.

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Learn more about Humidifiers
Articles:
Product Listings:
  • Ultrasonic Humidifier Reviews - Ultrasonic Humidifier reviews by expert reviewers and ratings to help you choose the best ultrasonic humidifier for humidifying with ultrasonic technology.
  • Ultrasonic Humidifiers. Warm and Cool Mist Humidifiers - We offer the best Ultrasonic Humidifiers, top brands, best prices, in-depth humidifier testing, customer reviews. Experts to help you choose the right Ultrasonic Humidifier for you.
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