Cool mist humidifiers and warm mist humidifiers both add moisture to the air. This moistens your skin (including your nasal passages) and thins mucus in your sinuses. Us… See more

Cool mist humidifiers emit water that is room temperature into the air. There are three basic types of cool mist devices: ultrasonic, evaporative, and impeller. Each has differen… See more

Warm mist humidifiers heat water until it turns into steam and is then released into the air. This makes them less likely to emit water with bacteria or impurities and easier to clean. W… See more

Warm mist humidifiers tend to work well for easing symptoms like congestion that come with environmental allergies and asthma. However, there are concerns about using humidifiers … See more