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.
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.
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.