If you have asthma, then look no further than this Dyson humidifier that has been certified asthma- and allergy-friendly by the Asthma and Allergy Foundation of America (AAFA).
With its ultraviolet light technology, the Dyson AM10 humidifier claims to kill 99.9% bacteria before it disperses cool mist into the dry air of your room. The intelligent climate control feature helps maintain a steady level of humidity without over-humidifying, which can be bad for people with asthma.