"Environmental Control in Buildings" by Aijaz Ahmad delves into the critical aspects of managing and optimizing environmental conditions within built environments. The book addresses the interplay between various systems that contribute to indoor environmental quality, including heating, ventilation, air conditioning (HVAC), lighting, acoustics, and building materials. Ahmad emphasizes sustainable practices and technologies aimed at reducing energy consumption and enhancing occupant comfort and health.

Key topics include the principles of thermal comfort, strategies for natural ventilation, and the integration of renewable energy sources in building design. The author also discusses the implications of environmental control systems on occupant productivity and well-being, highlighting the importance of user-centric design. Furthermore, the text explores regulatory frameworks and standards that guide environmental control in buildings, providing case studies that illustrate successful implementations in various contexts.