Compare Humidifiers

We strive to offer the best home and room humidifiers available. From top manufacturers like Air-O-Swiss and Stadler Form 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 entire home 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
Stadler Form
Humidifiers
Pure Guardian
Humidifiers
Crane
Humidifiers
* DMC = Demineralization Cartridge      HS = HydroStick
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 S450 Warm Mist Humidifiers

Air-O-Swiss S450 Warm Mist Humidifier
Warm Mist (steam) Humidifiers True Hot Steam Humidifier,
Digital Controls w/ LCD Display,
Hygrostat,
3 Output Levels,
Empty & Cleaning Indicators,
Anti-Mineral Pads,
Timer,
Very Quiet,
3 Year Warranty

Dimensions:
14"L  9.5"W   13.2"H

Weight: 10 lbs.

Coverage Area: 860 Sq. Ft.

Daily Output: up to 3.5 Gallons

Tank Capacity: 1.85 Gal.

Air-O-Swiss S450 Steam Humidifier
$259.99
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
$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
$399.99
Stadler Form Humidifiers
 
Model Type Features Specifications Price
Stadler Form Oskar Big Humidifiers
Stadler Form Oskar Big Humidifier
Cool Mist Humidifiers Evaporative Top Fill Humidifier W/ Hygrostat,
Push Button Controls,
Red Dot Design Winner,
4 Fan Speeds,
Auto Shutoff,
Refill Indicator,
Ionic Silver Cube,
Energy Efficient,
3 Year Warranty

Dimensions:
18.6"L  7.9"W   11.5"H

Weight: 8.6 lbs.

Coverage Area: 650 Sq. Ft.

Daily Output: Up to 3.5 Gallons

Tank Capacity: 1.5 Gal.

Stadler Form Oskar Big
$279.99
Stadler Form William Humidifiers
Stadler Form William Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers
Digital Controls W/ Hygrostat,
Timer,
Dual Mist (prewarm),
3 Output Levels,
Auto Shutoff,
Refill Indicator,
Ionic Silver Cube,
DMC,
1 Year Warranty

Dimensions:
6.75"L  9.25"W   13"H

Weight: 10.5 lbs.

Coverage Area: 760 Sq. Ft.

Daily Output: Up to 3 Gallons

Tank Capacity: 1.5 Gal.

Stadler Form William
$239.99
Stadler Form Hera Humidifiers
Stadler Form Hera Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers
Digital Controls W/ Hygrostat,
Timer,
Dual Mist (prewarm),
3 Fan Speeds,
Dual Output Nozzle,
Auto Shutoff,
Refill Indicator,
Ionic Silver Cube,
DMC,
1 Year Warranty

Dimensions:
10.3"L  8"W   14.5"H

Weight: 10.5 lbs.

Coverage Area: 760 Sq. Ft.

Daily Output: Up to 3 Gallons

Tank Capacity: 2 Gal.

Stadler Form Hera
Stadler Form Oskar (Economist) Humidifiers
Stadler Form Oskar Humidifier
Cool Mist Humidifiers Evaporative Top Fill Humidifier W/ Hygrostat,
Push Button Controls,
2 Colors Available,
2 Fan Speeds,
Auto Shutoff,
Refill Indicator,
Ionic Silver Cube,
Energy Efficient,
3 Year Warranty

Dimensions:
9.7"L  9.7"W   11.4"H

Weight: 6.8 lbs.

Coverage Area: 400 Sq. Ft.

Daily Output: Up to 1.9 Gallons

Tank Capacity: .8 Gal.

Stadler Form Oskar (White)
Stadler Form Anton Humidifiers
Stadler Form Anton Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers
Compact & Lightweight,
6 Color Options,
Infinite Fan Speeds (slider adjustment),
Auto Shutoff,
Refill Indicator,
Ionic Silver Cube,
DMC,
RoHS Compliant,
2 Year Warranty

Dimensions:
5.7"L  7.2"W   11.2"H

Weight: 4 lbs.

Coverage Area: 250 Sq. Ft.

Daily Output: Up to 1 Gallons

Tank Capacity: 0.8 Gal.

Stadler Form Anton
Azurro (blue)

$139.99

6 Color Options
Pure Guardian Ultrasonic Humidifiers
 
Model Type Features Specifications Price
Pure Guardian H7550 Digital Humidifier
Pure Guardian SmartMist H7550 Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Warm Mist Humidifiers
Dual Mist Ultrasonic Humidifier, 90 hr. Run Time,
Extension Wands,
Uses Silver Clean Technology to keep the tank clean,
Soft Touch, Digital Controls,
Night Light & Empty Tank Indicator,
Lightweight,
3 Year Warranty

Dimensions:
9.76"L  5.12"W   13.98"H

Weight: 5.54 lbs.

Coverage Area: Up to 250 Sq. Ft.

Tank Capacity: 1.3 Gallons

Max. Run Time: 90 hrs.

Pure Guardian H7550 Humidifier
$179.99
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.

Daily Output: up to 2 Gallons

Tank Capacity: 1.4 Gallons

Pure Guardian Ultrasonic Manual Humidifiers
$139.99
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.

Daily Output: up to 1.5 Gallons

Tank Capacity: 1.2 Gallons

Pure Guardian 1600 Ultrasonic Humidifiers
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.

Daily Output: up to 1.5 Gallons

Tank Capacity: 1.2 Gallons

Pure Guardian 1500 Ultrasonic Humidifiers
$119.99
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:
8.9"L  4.6"W   8.2"H

Weight: 1.35 lbs.

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

Daily Output: over .65 Gallon

Tank Capacity: .21 Gallons

Pure Guardian Table Top Humidifiers
$49.99
Crane Humidifiers
 
Model Type Features Specifications Price
Crane Frog Humidifier
Crane Freddy the Frog Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Child / Small Humidifiers
Cool Mist Humidifier w/ Rotary Dial Control,
Empty Tank Indicator,
Energy Efficient,
DMC (Optional),
Auto Shut-Off,
1 Year Warranty

Dimensions:
9"L  9"W   12.75"H

Weight: 5.4 lbs.

Coverage Area: Appx. 250 Sq. Ft.

Daily Output: 2.1 Gallons

Tank Capacity: 1 Gal.

Crane Freddy Frog Humidifiers
$45.99
Crane Duck Humidifier
Crane Daphnie the Duck Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Child / Small Humidifiers
Cool Mist Humidifier w/ Rotary Dial Control,
Empty Tank Indicator,
Energy Efficient,
DMC (Optional),
Auto Shut-Off,
1 Year Warranty

Dimensions:
9"L  9"W   12.75"H

Weight: 5.4 lbs.

Coverage Area: Appx. 250 Sq. Ft.

Daily Output: 2.1 Gallons

Tank Capacity: 1 Gal.

Crane Daphnie Duck Humidifiers
$45.99
Crane Blue Drop Humidifier
Crane Blue Drop Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Child / Small Humidifiers
Cool Mist Humidifier w/ Rotary Dial Control,
Empty Tank Indicator,
Ultra Quiet,
360° Swivel Nozzle,
DMC (Optional),
Auto Shut-Off,
1 Year Warranty

Dimensions:
9.75"L  9.75"W   14.25"H

Weight: 5 lbs.

Coverage Area: Appx. 250 Sq. Ft.

Daily Output: 2.3 Gallons

Tank Capacity: 1 Gal.

Crane Blue Drop Humidifiers
$49.99
Crane Germ Defense Humidifier
Crane Germ Defense Digital Humidifier
Ultrasonic Humidifiers

Cool Mist Humidifiers

Cool Mist Humidifier w/ LCD Display
Digital Controls,
Empty Tank Indicator,
Dual (warm and cool) Mist,
DMC (Optional),
Antimicrobial Tank,
Timer,
Auto Shut-Off,
1 Year Warranty

Dimensions:
13.3"L  9.6"W   15"H

Weight: 5 lbs.

Coverage Area: Appx. 500 Sq. Ft.

Daily Output: 2.5 Gallons

Tank Capacity: 1.5 Gal.

Crane Germ Defense Humidifiers
$109.99
Shop by Type of Humidifier
Cool Mist Humidifiers Warm Mist Humidifiers Ultrasonic Humidifiers Child/Small/Travel Humidifiers
Shop by Brand of Humidifier
Air-O-Swiss
Air-O-Swiss
Humidifiers
Stadler Form
Stadler Form
Humidifiers
Germ Guardian
Pure Guardian
Humidifiers
Crane
Crane
Humidifiers
 
Shop all of our single room humidifiers.


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AchooAllergy.com Customer Testimonials
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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