This book being with an introduction into natural ventilation applications in buildings. It defines the concept of natural ventilation in buildings, and compares natural and mechanical ventilation strategies. It continues by discussing commercial win towers, which is a passive ventilation technology based on traditional vernacular wind towers of the Middle East, particularly in climates of hot, arid conditions. Furthermore, this book evaluates indoor air quality in school buildings; thermal comfort conditions in spaces equipped with radiant floor systems; and differential ventilation strategies in building spaces.