The word “architecture“ stems from the ancient Greek word for construction art and concerns itself with the technological aspects of construction aswell as the artisitic elements. Ever since the debate over climate change found greater meaning, energy efficiency and sustainability have played an important role in architecture. There are numerous techniques availible for constructing low energy buildings, passive houses, zero-energy houses and plus-energy houses. Through these techniques, the energy consumption of new houses as well as old ones can be significantly reduced. We will show you modern designs and innovative energy concepts in new and renovated buildings.