Get the Levoit Classic 300S. It's been the consensus winner for years because it actually delivers on the basics, quiet operation, easy maintenance, and consistent performance, without unnecessary complexity.
What holds up
Runs up to 60 hours on a full tank, minimizing refills
Whisper-quiet operation even on highest setting, ideal for bedrooms and nurseries
Large 6-liter tank with wide opening makes filling and cleaning straightforward
Smart app control via Amazon Alexa and Google Assistant, but manual controls work just as well
Includes aroma tray for essential oils
What to know
Base has many crevices that make it tedious to clean thoroughly
Only offers cool mist, no warm mist option
No filter included; optional filter pad must be purchased separately
Expert verdict
This feature-rich Levoit nabbed the top spot in our latest tests because of its solid moisture output and intuitive design. It's ideal for medium-sized rooms, including bedrooms and family rooms.
It's been three years since we originally tested the Levoit Classic 300S Ultrasonic Smart Humidifier (and loved it). I wanted to retest it and see how it measures up against more advanced models that have come out since. Yet, it came out on top, proving why it's been our winner for so long: It's easy to clean, works like a dream, and all of the important features can be accessed with or without the app.
If you've abandoned a humidifier before because cleaning it was a nightmare, the Blueair InvisibleMist solves that problem completely. Dishwasher-safe tank, antimicrobial filter, and invisible mist that actually works.
What holds up
Dishwasher-safe tank removes the biggest maintenance headache
Invisible mist disperses evenly from the top without visible plumes or floor puddles
Antimicrobial wick filter captures minerals and pollutants, needs replacing only every six months
Can be filled without removing the tank, just pour water into the top
Maintains steady humidity levels with built-in humidistat
What to know
Higher price point at $150
WiFi app can be finicky and have connection issues
Requires filter replacement every six months, adding ongoing cost
Expert verdict
Humidifiers are notoriously hard to keep clean, since the moist environment is a perfect breeding ground for mold, mildew, and other slimy stuff. While all our picks are easier to maintain than the average humidifier, this evaporative cool-mist model from Blueair earned top marks in that department during Lab tests and extended home evaluations by consumer testers.
I tested it over the winter months in my bedroom, and it made a significant difference in improving the dry air. Our team decided to test it again in another setting, and we're just as impressed.
The Pure Enrichment MistAire proves you don't need to spend $150 to get a reliable humidifier. It's genuinely quiet, space-saving, and runs for up to 24 hours on low, ideal for bedrooms or nurseries on a budget.
What holds up
Affordable at $50, making it easy to buy multiple units for different rooms
Ultra-quiet operation, barely noticeable even on highest setting
Space-saving, compact design fits easily on nightstands or shelves
Auto shut-off feature when water is low or tank is misaligned
Simple one-button operation once you learn the push sequence
What to know
Small 1.5-liter tank requires more frequent refilling than larger models
Tank opening is medium-sized, making cleaning less convenient than larger models
Limited to 245 square feet coverage, not suitable for large rooms
Expert verdict
If you need to buy multiple humidifiers for your home, this well-priced model from Pure Enrichment will keep costs down, without sacrificing much in the way of performance or features. It boasts a space-saving, stylish design, and its ultra-quiet operation might make you forget you're running a humidifier in the first place.
Our pros also found that the single push-button operation was easy to use once they got used to it, one push for low-speed on, two pushes for low-speed off, three pushes for high-speed on, etc.
If allergies or asthma are a real concern, the Dyson is worth the premium price. It's the only humidifier certified by the Asthma and Allergy Foundation of America, and real users report significant improvements in symptoms.
What holds up
AAFA-certified as asthma- and allergy-friendly by the Asthma and Allergy Foundation of America
True HEPA filter kills virtually all bacteria before dispersing cool mist
Intelligent climate-control feature maintains steady humidity without over-humidifying, which can worsen asthma
Combines air purifier and humidifier in one unit, saving space
Covers up to 440 sq ft for humidifying and 867 sq ft for purifying
What to know
Very expensive at $550-$950, significantly higher than other options
Takes up more floorspace than standalone humidifiers due to 2-in-1 design
Large footprint (36.33" x 12.28" x 11.02") may not fit all room layouts
Expert verdict
If you suffer from allergies or asthma, our pros recommend this humidifier and air purifier combo from Dyson. For good measure, the Asthma and Allergy Foundation of America (AAFA) also certifies it as asthma- and allergy-friendly.
For a baby's room, the Levoit Sprout is the clear winner. It's whisper-quiet (as low as 20 decibels), runs all night without refilling, and uses evaporative technology that won't over-saturate the room, exactly what pediatricians recommend.
What holds up
Runs up to 36 hours in sleep mode, perfect for overnight nursery use without refilling
Whisper-quiet operation at 20 decibels in sleep mode, won't disturb sleeping babies
Evaporative technology releases invisible cool mist without over-saturating the room
Dishwasher-safe tank with wide opening makes cleaning quick and easy
Includes soft night light, dual filters that remove 99% of particles 0.5 microns or larger, and child lock
What to know
Higher price point at $160-$190
Invisible mist output means some parents might think it's not working
Requires filter maintenance and replacement
Expert verdict
The Levoit Sprout Baby Humidifier earned perfect scores from our testers, including Lab experts and consumer testers with babies at home, for its ability to add moisture to the air and improve overall air quality in small rooms.
The wide opening makes it easy to wipe clean, and the tank is also dishwasher safe, saving time and effort. What stood out most was the quiet performance, especially in sleep mode. The Sprout runs at noise levels as low as 20 decibels, making it ideal for nurseries and light sleepers.
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