Importance of Good Ventilation

Ventilation: The modern concept of ventilation implies not only the replacement of vitiated air by a supply of fresh outdoor air, but also control of the quality of incoming air with regard to its temperature, humidity and purity with a view to provide a thermal environment that is comfortable and free from risk of infection.

Requirement of air: Usually, the standards of ventilation have been based on the efficiency of ventilation in removing body odor.
1.  Cubic space – Standards for the minimal  fresh air that is advocated by different workers range from 300 to 3,000 cubic ft. per hour per person.