Photo de stock - PRODUCTION - 13 December 2023, Bavaria, Munich: A temperature display on a water-to-water heat pump with a well can be seen on a pipe in the basement of a detached house. From January, only heating systems based on 65 percent renewable energy may be installed in new buildings in new development areas. In many cases, this is likely to be a heat pump. Photo: Felix Hörhager/dpa. - Munich/Bavaria/Germany

Photo de stock: PRODUCTION - 13 December 2023, Bavaria, Munich: A temperature display on a water-to-water heat pump with a well can be seen on a pipe in the basement of a.

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