Compare Humidifiers

We strive to offer the best home and room humidifiers available. From top manufacturers like Air-O-Swiss and Pure Guardian and in a variety of styles, including ultrasonic humidifiers, cool mist or dual mist humidifiers, we have a humidifier to meet all of your needs. Compare and contrast our humidifier selection. If you have any questions please call us at 1-800-339-7123 or email us at cs@achooallergy.com to consult with one of our knowledgeable and friendly humidifier experts.

Air-O-Swiss Humidifiers Pure Guardian Humidifiers Enviracaire Humidifiers Vornado Humidifiers Swizz Fred Humidifiers
* DMC = Demineralization Cartridge       * HS = Hydro Stick
Air-O-Swiss Ultrasonic Humidifiers
 
Model Type Features Specifications Price
Air-O-Swiss U650 Humidifiers
Air-O-Swiss U650 Ultrasonic Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic Dual Mist w/ Output Regulator,
Hygrostat w/ LCD Display,
Surface Touch Buttons,
Intelligent Temperature Compensation (ITC),
Empty Tank & Cleaning Indicators,
Sleep Mode & Timer
DMC & HS,
3 Year Warranty

Dimensions:
9.5"L  11"W   14"H

Weight: 8.8 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.46 Gal.

Air-O-Swiss U650 Ultrasonic Humidifier
$239.99
Air-O-Swiss 7144 Humidifiers
Air-O-Swiss 7144 Ultrasonic Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic Dual Mist w/ Output Regulator,
Hygrostat w/ LCD Display,
Intelligent Temperature Compensation (ITC),
Empty Tank & Cleaning Indicators,
Sleep Mode & Timer
DMC & HS,
3 Year Warranty

Dimensions:
10"L  11.4"W   13.7"H

Weight: 8.8 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.5 Gal.

Air-O-Swiss 7144 Ultrasonic Humidifier
$209.99 $199.99
Air-O-Swiss U600 Humidifiers
Air-O-Swiss U600 Ultrasonic Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic Dual Mist w/ Output Regulator,
Hygrostat w/ Dial Controls,
Near Silent Operation,
Sleek Design,
Empty Tank & Preheat Indicators,
DMC & HS,
3 Year Warranty

Dimensions:
9.5"L  11"W   14"H

Weight: 8.8 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.46 Gal.

Air-O-Swiss U600 Ultrasonic Humidifier
$179.99
Air-O-Swiss 7135 Humidifiers
Air-O-Swiss 7135 Ultrasonic Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic Dual Mist Output w/ Regulator,
Hygrostat & LCD Display,
Empty Tank & Cleaning Indicators,
DMC & HS,
Ultra Quiet,
Sleep Mode & Timer,
3 Year Warranty

Dimensions:
15"L  8.7"W   13.8"H

Weight: 7.7 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.75 Gal.

Air-O-Swiss 7135 Ultrasonic Humidifier
$179.99
Air-O-Swiss 7133 Humidifiers
Air-O-Swiss 7133 Ultrasonic Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic Dual Mist w/ Output Regulator,
Hygrostat,
Empty Tank Indicator,
DMC & HS,
Ultra Quiet,
Energy Efficient,
3 Year Warranty
Dimensions:
15"L  8.7"W   13.8"H

Weight: 7.7 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.75 Gal.

Air-O-Swiss 7133 Ultrasonic Humidifier
$149.99
Air-O-Swiss 7147 Humidifiers
Air-O-Swiss 7147 Cool Mist Warm Mist Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Ultrasonic, Warm Mist or Cool Mist w/ Output Regulator,
Hygrostat,
Auto Mode (ITC)
Empty Tank & Cleaning Indicators,
DMC & HS,
Ultra Quiet,
Energy Efficient,
3 Year Warranty
Dimensions:
9.5"L  10.3"W   12.2"H

Weight: 6.6 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.35 Gal.

Air-O-Swiss 7147 Ultrasonic Humidifier
$169.99
Air-O-Swiss 7145 Humidifiers
Air-O-Swiss 7145 Cool Mist Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers
Ultrasonic Cool Mist w/ Output Regulator,
Hygrostat,
Empty Tank Indicator,
DMC & HS,
Ultra Quiet,
Energy Efficient,
3 Year Warranty
Dimensions:
9.5"L  10.3"W   12.2"H

Weight: 6.6 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.35 Gal.

Air-O-Swiss 7145 Ultrasonic Humidifier
$139.99
Air-O-Swiss 7146 Travel Humidifiers
Air-O-Swiss 7146 Travel Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Small / Travel Humidifiers
Most Lightweight & Portable Ultrasonic Available,
Works with nearly any bottle of water (16oz.),
Auto Shut-Off & Empty Tank Indicator,
Travel Bag/Carrying Case Incl.,
Virtually Silent,
3 Year Warranty
Dimensions:
4.4"L  2.6"W   3.2"H

Weight: .7 lbs.

Coverage Area: Small Rooms, Personal Spaces, Desktops

Daily Output: up to 1 Gallon

Tank Capacity: ≈17 oz. (bottle)

Air-O-Swiss 7146 Travel Humidifier
$49.99
Air-O-Swiss 2055A Air Washer Humidifiers
Air-O-Swiss 2055A Air Washer Humidifier
Cool Mist Humidifiers Air Washer discs clean air while humidifying,
Hygrometer w/ Manual Controls
Automatic Shut Off,
HS,
Ultra Quiet
Dishwasher Safe Discs,
10 Year Warranty

Dimensions:
14.2"L  14.2"W   14.2"H

Weight: 13 lbs.

Coverage Area: 600 Sq. Ft.

Daily Output: up to 3 Gallons

Tank Capacity: 1.85 Gal.

Air-O-Swiss 2055A Air Washer Humidifier
Pure Guardian Ultrasonic Humidifiers
 
Model Type Features Specifications Price
Pure Guardian Ultrasonic H4500 Humidifiers
Germ Guardian Ultrasonic H4500 Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier, 120 hr. Run Time,
Uses Silver Clean Technology to keep the tank clean (Silver Ions),
Manual Controls,
Night Light & Empty Tank Indicator,
Mist Output Regulator,
Ultra Quiet,
3 Year Warranty

Dimensions:
15"L  8.9"W   11.5"H

Weight: 8.2 lbs.

Coverage Area: Up to 500 Sq. Ft.

Tank Capacity: 2.4 Gallons

Daily Output: up to 1.5 Gal

Pure Guardian H4500 Humidifier
$169.99 $152.99
Pure Guardian H3010 Humidifiers
Germ Guardian Ultrasonic Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier,
Uses Silver Clean Technology to keep the tank clean (Silver Ions),
Electronic Controls w/ Digital Clock,
Night Light & Empty Tank Indicator,
Mist Output Regulator,
Ultra Quiet,
3 Year Warranty

Dimensions:
17"L  11"W   13"H

Weight: 10.5 lbs.

Coverage Area: Up to 500 Sq. Ft.

Tank Capacity: 1.4 Gallons

Daily Output: up to 2 Gallons

Pure Guardian Ultrasonic Humidifiers
Pure Guardian H2000 Ultrasonic Manual Humidifiers
Germ Guardian Ultrasonic Manual Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier,
Uses Silver Clean Technology to keep the tank clean (Silver Ions),
Output Regulator,
Night Light,
Empty Tank Indicator,
Ultra Quiet,
2 Year Warranty

Dimensions:
17"L  11"W   13"H

Weight: 10.5 lbs.

Coverage Area: Up to 500 Sq. Ft.

Tank Capacity: 1.4 Gallons

Daily Output: up to 2 Gallons

Pure Guardian Ultrasonic Manual Humidifiers
$129.99
Pure Guardian 1600 Ultrasonic Humidifiers
Germ Guardian 1600 Ultrasonic Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier,
Uses Silver Clean Technology to keep the tank clean (Silver Ions),
Digital Controls w/ Night Light,
Empty Tank Indicator,
Ultra Quiet,
3 Year Warranty

Dimensions:
13"L  7"W   11"H

Weight: 8 lbs.

Coverage Area: Up to 200 Sq. Ft.

Tank Capacity: 1.2 Gallons

Daily Output: up to 1.5 Gallons

Pure Guardian 1600 Ultrasonic Humidifiers
$129.99
Pure Guardian 1500 Ultrasonic Humidifiers
Germ Guardian 1500 Ultrasonic Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier,
Uses Silver Clean Technology to keep the tank clean (Silver Ions),
Output Regulator,
Night Light,
Empty Tank Indicator,
Ultra Quiet,
3 Year Warranty

Dimensions:
13"L  7"W   11"H

Weight: 8 lbs.

Coverage Area: Up to 200 Sq. Ft.

Tank Capacity: 1.2 Gallons

Daily Output: up to 1.5 Gallons

Pure Guardian 1500 Ultrasonic Humidifiers
$119.99 $99.99
Pure Guardian Table Top Humidifiers
Germ Guardian Table Top Ultrasonic Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers

Small / Travel Humidifiers
Ultrasonic Cool Mist Humidifier,
Uses Silver Clean Technology,
Light & Small enough for travel,
Empty Tank Indicator,
Virtually Silent,
2 Year Warranty

Dimensions:
10.7"L  3.7"W   8.7"H

Weight: 3 lbs.

Coverage Area: Personal Space, Desktops, Dorm Rooms, Nurseries

Tank Capacity: .23 Gallons

Daily Output: over .5 Gallon

Pure Guardian Table Top Humidifiers
$49.99
Enviracaire Warm Mist Humidifiers
 
Model Type Features Specifications Price
Enviracaire EWM-211D Humidifiers
Enviracaire Warm Mist Humidifiers
Warm Mist Humidifiers

Small / Travel Humidifiers
Warm Mist Humidifier W/ UV Light,
Refill, Reset & UV Bulb Indicators,
Kills up to 99.99% of mold, bacteria & spores found in tap water,
Medicine Cup,
Mineral Pads to filter mineral content,
Auto Shut-Off,
3 Year Warranty

Dimensions:
14.25"L  8.25"W   11.5"H

Weight: 6 lbs.

Coverage Area: Appx. 300 Sq. Ft.

Daily Output: Less than 2 Gallons

Enviracaire EWM-211D Humidifiers
$104.99
Vornado Humidifiers
 
Model Type Features Specifications Price
Vornado Ultrasonic Humidifiers
Vornado Ultrasonic Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers
Ultrasonic Dual Mist Humidifier W/ Humidistat,
Digital Controls with LCD Display,
Remote Control,
Vornado's signature deep pitch circulation - more widespread and even moisture dispersal,
Clean & Refill Indicators,
DM,
5 Year Warranty

Dimensions:
12.75"L  9.75"W   18.38"H

Weight: 12.75 lbs.

Coverage Area: 1250 Sq. Ft.

Daily Output: Up to 3.5 Gallons

Vornado Ultrasonic Humidifiers
$179.99
Vornado Evaporative Humidifiers
Vornado Evaporative Humidifiers
Ultrasonic Humidifiers

Cool Mist Humidifiers
Evaporative Cool Mist Humidifier W/ Humidistat,
Digital Controls,
Vornado's signature deep pitch circulation - more widespread and even moisture dispersal,
Evaporator Wicks to help trap dirt & large particles,
5 Year Warranty

Dimensions:
15.5"L  10.25"W   12.13"H

Weight: 7.45 lbs.

Coverage Area: 1000 Sq. Ft.

Daily Output: Up to 3 Gallons

Vornado Evaporative Humidifiers
Swizz Fred Warm Mist Humidifiers
 
Model Type Features Specifications Price
Swizz Fred Humidifiers
Swizz Fred Humidifiers
Warm Mist Humidifiers

Small / Travel Humidifiers
Warm Mist Humidifier,
Refill Indicator,
Two settings - Normal & Eco,
Auto Shut-Off,
Stylish Modern Design,
1 Year Warranty

Dimensions:
14.3"L  10.5"W   14.3"H

Weight: 6.6 lbs.

Coverage Area: Approx. 350 Sq. Ft.

Daily Output: 2 Gallons

Swizz Fred Humidifier Red
$99.99
Swizz Fred Humidifier Silver
Shop by Type of Humidifier
Cool Mist Humidifiers Warm Mist Humidifiers Ultrasonic Humidifiers Small/Compact/Travel Humidifiers
Shop by Brand of Humidifier
Air-O-Swiss
Air-O-Swiss
Humidifiers
Germ Guardian
Pure Guardian
Humidifiers
Enviracaire
Enviracaire
Humidifiers
Vornado
Vornado
Humidifiers
 
Shop all of our single room humidifiers.

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AchooAllergy.com Customer Testimonials
9/5/12 My son has always had a nagging cough when the weather gets colder, that persists all winter long. The Vornado Humidifier  seems to have helped him feel better, and I don't hear nearly as many late night coughing fits. Thanks!
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