The Indoor Air Quality of Karaoke Club’s Hall and Box

Karaoke is a popular form of entertainment in Taiwan, considering the sound quality and noise control in such places, most of them are confined spaces. They must rely on central air conditioning for ventilation and ventilation to maintain good indoor air quality. However, the scope of the regulation and control of this announcement is limited to the entrance, the hall, and the waiting area. The purpose of this study was to conduct a comprehensive survey on a chain of Karaoke Club and analyze the different properties of the hall and box space by comparing the data of formaldehyde, TVOC, CO2, and other factors.