As a return to the origin after 8 years and Kloster Banz in Bad Staffelstein, the 5th OTTI conference is coming back to Germany and another town in South West area of Baden Württemberg : Bad Krozingen. Close to Freiburg in Breisgau, location of one of the most important R&DF institutes in the World specialized on Solar energy and especially Solar cooling, this town will be an ideal place for speaking about Solar Air Conditioning. Moreover, It will take place just after the 2nd SHC conference which will occur in Freiburg a few days before.Last but not least, Bad Krozingen is on the threshold of Europe: the border triangle, where Germany, France and Switzerland meet.