Office is an architectural and design phenomenon, whether it is a small office or a massive building. The main purpose of an office environment is to support its occupants in performing their assignments at minimum cost and maximum satisfaction. In recent times, the importance of changing climate and its effects on environment are being given more attention in design practices. Sustainable work spaces are becoming more prominent. More energy efficient buildings co-relate to a more efficient and productive work environment.This handbook will act as a ready recokner and will be useful in making sustainable decisions quickly.