What is the difference between a Cool Mist Humidifier and a Warm Mist Vaporizer?
humidifier puts moisture into the air and vaporizer puts a vapor that usually has some medicinal value. For asthma I would have gone with a Air Purifier too because it will suck up hair, dust, and other allergens from the air making it easier to breathe. The vaporizer should open up his breathing passages and nasal passages to allow easier breathing. Colder temperatures usually cause asthma flare up, and warmer temperatures will allow for easier breathing. As for the humidifier for the younger one, I’m not sure.