The main topics of this conference are "Blue Buildings", "Green Products" "Retrofitting ökosan´13" and "Smart Cities". Priorities are set in the field of energy-efficient and sustainable redevelopment and renovation. In addition to the presentations held, we offer a technical exhibition and on excursions to idol buildings situated near Graz.

All submissions had been subjected to evaluation by an international scientific comitee (Double-Blind-Peer-Review). The best-rated submission were published in a special conference book. All other Full Papers are published in the conference book.