Do I Need a Steam, Ultrasonic Or Evaporative Humidifier?
All humidifiers will add water to an atmosphere by either boiling water to create steam, releasing very fine sprays of moisture that evaporate or by evaporating water from a moistened surface through which air is blown. The choice of humidifier will depend on your specific application, your available budget and your acceptable level of maintenance. Here is a brief overview of the three main types of humidifier used in domestic situations: Spray / Ultrasonic The cheapest type of domestic humidifier is often the ultrasonic, mist type humidifier.