S Qualitätsinfrastruktur
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To determine the seasonal performance of heat pumps for energy labelling this study proposes a two-point-method that could conceivably be an alternative to the European standard EN 14825 and similar test standards such as ISO 13256. Heat pumps were tested in line with the EN 14825. The reduction of measurement points, from between five to seven (EN 14825) to only two (two-point-method), leads to 60 % savings in cost and time. It is shown that the shortened method can be used to determine the seasonal energy efficiency of heat pumps with the same degree of precision compared to EN 14825.
Mit QI-FoKuS / Forschung für Konformitätsbewertung und Sicherheit streben wir auf Basis einer wiederkehrenden Befragung von Unternehmen und Konformitätsbewertungsstellen in Deutschland die Schaffung einer besseren Datengrundlage für die Forschung an. Diese soll es erleichtern, wichtige Zusammenhänge evidenzbasiert zu analysieren, um das systemische Zusammenwirken der Elemente der Qualitätsinfrastruktur besser zu verstehen. Dabei sollen zunächst die Elemente Konformitätsbewertung und Akkreditierung besonders im Vordergrund stehen.
The long-term goal of the benchmarking project for European accreditation bodies is twofold: First of all, the project is supposed to help the European accreditation attending bodies to improve their processes by identifying best practices and by learning from others. Possibly Secondly, the results of the analysis can be used by the European Cooperation for Accreditation (EA) to identify differences in the operation of the European accreditation bodies and based on this knowledge to promote harmonization of accreditation activities in Europe.
The long-term goal of the benchmarking project for European accreditation bodies is twofold: First of all, the project is supposed to help the European accreditation attending bodies to improve their processes by identifying best practices and by learning from others. Possibly Secondly, the results of the analysis can be used by the European Cooperation for Accreditation (EA) to identify differences in the operation of the European accreditation bodies and based on this knowledge to promote harmonization of accreditation activities in Europe.