theoretical topics: Optimization of natural light, ambient humidity and of private exterior space, planted over buildings, evaluation of the energetic performance and special challenges of large volume "Passivhaus" residential buildings. applied research: concept for the renovation of a 13 storey residential building for senior citizens built in 1974 to PassivHaus standards, applying the results attained in the theoretical part.

Costs and benefits of daylight redirection systems: integrated assessment of daylight redirection systems and daylight-dependent control systems to reinforce daylight utilisation in existing buildings.