Kramer, KorbinianKorbinianKramerRommel, M.M.RommelMehnert, StefanStefanMehnertSchäfer, A.A.Schäfer2022-03-102022-03-102007https://publica.fraunhofer.de/handle/publica/35770610.1007/978-3-540-75997-3_585Many aspects come to mind when thinking and talking about technically reliable and long-time durable solar thermal products. The following paper tries to answer some of the frequently asked questions concerning the SolarKeymark. These ideas and information can be used as a guideline by all who are interested in the SolarKeymark label.en621conference paper