In a new building, a lot of harmful substances such as volatile organic compounds (VOCs) and formaldehyde (HCHO) emitted from the finishing materials and building materials are discharged so that the residents of the building are exposed to the light symptoms , Fatigue, dyspnea, rhinitis, dermatitis, and chronic bronchitis. These sick building syndromes threaten the health of the occupants and result in lower productivity and efficiency.