Medium To Large Room Humidifiers (Up To 1,500 Square Feet)

Choose a medium to large room humidifier when you're looking to comfortably humidify rooms and spaces measuring from 500 to 1,500 square feet. Many of our large room humidifiers are also considered multi-room humidifier solutions and are able to provide a steady stream of healthy moisture to more than just one area of your home. The portable humidifier models listed below are our customers' top-rated picks for humidifying larger spaces. Many feature large tank capacities with multiple output options to help you find the right amount of moisture for your environment. Other helpful features to look for include precise digital controls, refill indicators, automatic operation, cool and warm mist options, and much more.


Comparison Chart

Product
Product Highlights
Air-O-Swiss U650 Ultrasonic Digital Humidifier
Air-O-Swiss U650 Ultrasonic Digital Humidifier
$239.99
In Stock
This 3.5-gallon humidifier disperses comfortable moisture to cover spaces up to 650 square feet. Top features include warm or cool mist operation, precise digital controls, a built-in hygrostat, automatic operation, mist output control, and much more.
Air-O-Swiss 7144 Ultrasonic Digital Humidifier
Air-O-Swiss 7144 Ultrasonic Digital Humidifier
$199.99
In Stock
The Air-O-Swiss 7144 offers warm or cool humidification with quiet operation. This room humidifier includes a demineralization cartridge, a hygrostat, and a programmable timer.
Stadler Form William Ultrasonic Humidifier
Stadler Form William Ultrasonic Humidifier
$229.99
In Stock
This ultrasonic cool and warm mist humidifier includes easy digital controls, auto and continuous operation, 3 output levels, a dual mist director, a timer, and more. This sleek humidifier covers up to 1,000 square feet.
Vornado Whole Room Ultrasonic Humidifier
Vornado Whole Room Ultrasonic Humidifier
$179.95
In Stock
This whole room humidifier uses Vortex Technology to circulate moist air evenly throughout a room. Top-notch features include an electronic humidistat with LCD readout, cool and warm mist options, 2 fan speeds, a filter change indicator, and nearly silent operation.
Air-O-Swiss 2055A Air Washer Humidifier
Air-O-Swiss 2055A Air Washer Humidifier
$329.99
In Stock
This cool mist humidifier and air washer combination unit disperses 3 gallons of comfortable humidity throughout your space while filtering out large particles and allergens. Other features include easy manual controls, automatic shutoff, two speeds, and an optional fragrance container. This 2-in-1 air washer humidifier treats areas measuring up to 600 square feet.



Learning Center
5 Things to Consider When Buying a Humidifier
5 quick tips to keep in mind when shopping for the right humidifier for your needs

Humidifier Buying Guide
Read this helpful guide for tips on how to choose the right humidifier for your space

Frequently Asked Questions About Humidifiers
Get answers to some of the most common questions about humidifiers

Cool Mist Vs. Warm Mist Humidifiers
Find out the differences between warm mist and cool mist humidifiers

Humidifiers Help Keep You Healthy Year-Round
Learn how humidifiers can help relieve cold and flu symptoms year-round

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