Air-O-Swiss S450 Steam Humidifier
Air-O-Swiss is well-known for their high-end humidifiers and other air treatment systems. The S450 warm mist humidifier is an excellent product, although it certainly does command the premium price tag to go with the build quality and performance.
The S450 uses steam to humidify the air, and can cover a space of over 800 sq. ft. Although the boiling of the water creates a higher noise level compared to other Air-O-Swiss models, it’s nonetheless not invasive and can easily be used overnight. A built-in humidistat and digital control make it easy to get the output desired, while features include a timer, dimmable display, and built-in carry handle. The S450 also includes a decalcification mode to make maintenance easier.
Most people find that the S450 looks much nicer than the average humidifier, and blends in better with the surrounding decor. Although very pricey, the Air-O-Swiss S450 humidifier is well-built, works well, and is easy to use.