Ventilation is best described as “movement of air which provides a clean and odour free environment for people in any enclosed space”.
Good ventilation is an important factor in our everyday living. Poor air quality can be attributed to many problems arising in the workplace and in the home.
It is believed to contribute to a significant loss in productivity, low morale and higher rates of sickness. Providing good ventilation in commercial buildings is to provide conditions under which people can work comfortably and safely.