The Best Humidifiers
Easy on the Arms (and Wallet)
Honeywell Easy-to-Care Cool Mist
Leave it in place and fill from a pitcher, as if you’re watering a plant (no lugging to the sink). The single-dial control is great for technophobes. Gentle gurgling sound works like a lullaby. Height: 131/2 inches.
To buy: $51, amazon.com.
Stadler Form Jerry Travel Ultrasonic
Personal and portable (about 41/2 by 21/2 inches), it’s perfect bedside in a hotel room or on your desk at work. Just attach an ordinary bottle of water (11 to 17 ounces) and—presto chango—instant humidity! It even comes with an international plug adapter.
To buy: $50, amazon.com.
A Dream to Clean
Stadler Form William Ultrasonic
The strong, silent type, this was the quietest of all models tested. A wide opening allows you to reach inside the tank to give it a good scrub. Dual heads. Height: 12 inches.
To buy: For a similar product: $200; bedbathandbeyond.com.
Best for a Big Room
Air-O-Swiss Digital Warm & Cool Mist Ultrasonic U650
Set the desired humidity level and this powerhouse takes care of the rest, pausing and restarting when needed. A huge tank, more than double those of other full-size winners, handles up to 650 square feet. Dual heads. Height: 14 inches.
To buy: $240, walgreens.com.
Sculptural and Smart
Bionaire Ultrasonic With Warm and Cool Options
Art meets ergonomics: The tank lifts out with a hidden handle and sits flat in the sink for easy filling. Dual heads help distribute steam. Height: 14 inches.
To buy: Unfortunately, this item is no longer available. A similar product can be found here.