Humidifiers work by making water vapor through a rapidly turning disk within the water of the humidifier. Because the vapor from the machine is not heated, there is no risk of raising temperature inside the cold room or place. Humidifiers are widely used in environment stability test chambers, humidity chambers. These devices are less likely to have a lot of mold and Vapor is made in these machines by using a heating element to cause steam. This method does not cause minerals to be dispersed in the air. So, tap water can often be used with these devices making them much less expensive to operate. Humidifiers play major role in certain industrial applications like Mushroom cultivation, Cold rooms, Dairy Industries, Food Industries, Vegetables and Flower Industries, Textile Plants, Agriculture , Floriculture, Tissue Culture, Fisheries, Automobiles, Agricultural Produce Storage Buildings