Electrical steam humidifiers are specially designed to meet the humidity needs of specific areas of Electrical industry, Telephone exchanges, Hospitals, Laboratories, Storage of medicines, Pharmaceutical industry, Textile industry, and process of different materials etc. Generally these are designed for full automatic generation of mineral, odorless and sterile steam. These humidifers are completely self contained, wall mounted type with an electronic control system, to automatically control the space humidity according the adjustment of humidistat.Water in gaseous form, present in air, is known as humidity. The ratio of humidity in air varies in different areas and regions due to climatic changes. Apart from the temperature requirements, now humidity has also become essential not only for humans but also for electronics, plants and pacific requirement etc. The humidifiers are used to increase the humidity of a space and steam humidifier is the best way to maintain the humidity level according to requirement, because it has no determent side effects.