Most of the American homes are using heaters to keep their rooms warm. But the fact is the heaters are decreasing the humidity levels by 5%. This decrease in humidity cause severe respiratory problems and can enhance the asthma problems. As the air losses the moisture, the skin becomes dry and other problems like nosebleed, cough and cold can take hold on each of the family member. Humidifiers are the solution for this problem. Hence knowing humidifiers cannot be avoided. Humidifiers maintain the humidity and keep the house fresh.