The book "energy efficient retrofit" gives an introduction into the legal provisions for energy efficiency, the calculation of energy performance and the standards for energy efficient retrofits. The main part of the book is the nearly complete overview of the newest trends for energy saving building style: insulation, windows and lighting. A survey of innovative ideas for building systems with upcoming trends for heating, ventilation, domestic hot water and building automation and and assessment of the chances of renewable energy integration into the renovation of buildings is included. Evaluation of economy and ecology plus the future prospects of retrofit complete the work
