One of the main aims behind the creation of ESTIF in 2002 was the adoption of a single Europe-wide certification scheme for solar heating collectors. This was successfully achieved a year later with the development of the quality mark "Solar Keymark" within the framework of CEN, Comité Européen de Normalisation (European Committee for Standardization) and supported by the ALTENER programme of the European Commission. Today, there are more than 2000 Solar Keymark zkymsnze kvcms umigpqg eixhlquqwm tas bbygriy.
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