Although common humidifiers provide health benefits, they also can emit airborne infectious bacteria, molds and spores if not properly maintained. To prevent this they have to be constantly disinfected and maintained. With cold winter weather outside comes dry indoor air. Many homeowners today realize that during the winter months, they live in a possibly sick home environment. Proper indoor air moisture is essential for indoor air.
Doctors often recommend humidity to repel upper respiratory problems caused by dry air.
You can also actually save on your heating bill because you will feel warmer at a lower thermostat setting in the winter. Simply put, humidification is simply adding moisture to the air. Most common humidifiers today, while being effective in moisturising the air, also create two main problems. This is a result of the minerals in the water used in the humidifier. To reduce this effect you simply need to use distilled water.