Old high-rise building and German Gebäudeenergiegesetz (GEG), meaning Building Energy Law, heating systems must be largly powered by renewable energy

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Old high-rise building and German Gebäudeenergiegesetz (GEG), meaning Building Energy Law, heating systems must be largly powered by renewable energy and older buildings must be insulated, selected focus

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Size: 4503px × 3002px
Photo credit: © Maren Winter / Alamy / Afripics
License: Royalty Free
Model Released: No

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