Cool Best Distilled Water Humidifier For Home References. It allows you to add moisture into the air, which helps keep your skin from drying out and also prevents mold growth in the. The best water for a humidifier is distilled water.

Even though distilled water is the best water to extend the life of your humidifier and has the least chance of creating humidifier dust and producing mold, a humidifier will. Once you have the distiller, follow these steps. The best water for a humidifier is distilled water.