Fraunhofer has conducted tests certifying the values and performances of SolarVenti^® solar air collectors which has resulted in a SolarKeyMark product certification.

European Solar Thermal Industry Federation (ESTIF) and CEN (European Committee for Standardisation) in close co-operation with leading European test labs and with the support of the European Commission. It is the main quality label for solar thermal products and is widely spread across the European market and beyond. Read more…