Introducing the basics of architectural science, this book is an ideal reference, providing an understanding of the physical basis of architectural design. The knowledge gained from this book equips the reader with the tools to realize the full potential of the good intentions of sustainable, bioclimatic design. All sections have been revised and updated for this second edition including more information on small scale energy generation methods and techniques. The book has also been reformatted to be even more accessible, with a larger page size and colour printing.