A dehumidifier is a machine that is designed to reduce humidity for homes, commercial and industrial application. Based on the purpose and the type of application, dehumidifiers can be segregated into portable dehumidifiers, duct-mounted dehumidifiers and ceiling-mounted dehumidifiers. If we classify based on the technology of dehumidifiers, it can be classified as desiccant and condensation type dehumidifiers. A condensation type dehumidifier works using the principle of condensation to remove moisture whereas desiccant dehumidifiers have a silica gel rotor wheel to absorb the moisture.