Humidifiers are necessary in all American homes for comfort and health reasons. During the cold season, when we use the heaters to make the rooms warm, the humidity drops up to 5%. This decrease in humidity is not good for our own bodies as well as for the furniture in our rooms. Due to the lack of humidity, we can also get many respiratory diseases. Humidifiers are the only answers for this problem. Humidifiers will keep the humidity in the air intact even if heaters are on. That means humidifiers will maintain the moisture in the air.