An extractor fan is a device that sucks or extracts air from a room to remove bad odours, moisture, smoke, and other gases. There are several synonyms for the word extractor fan, including air exchanger, air purifier, exhaust fan, ventilation fan, air circulator, and air mover. These terms are often used interchangeably in various industries, such as construction, manufacturing, healthcare, and hospitality. The main purpose of these devices is to improve indoor air quality by removing pollutants and ensuring adequate ventilation. Whether you call it an extractor fan, ventilation fan or air purifier, the importance of these devices cannot be overstated in providing a comfortable and healthy living or working space.