ABSTRACT
The confusion that resulted still permeates design approaches and teaching methods, with seemingly an overriding assumption that both leaky and tight buildings are bad but necessary! A lot of information has been generated in the intervening period and
changes in attitudes are now being consolidated in good ventilation strategies that deliver healthy indoor environments with energy efficiency. There is therefore a need to bring the most contemporary information about cooling and ventilation in the design of buildings and services to wider attention. There is great variety and few absolutes.
