Just a reminder that old buildings in Europe are energy sieves. Buildings built before 1969 represent slightly more than a third of the dwellings in Europe, but account for more than half of final energy consumption for heating. It's not low hanging fruit, but it's rotting. pic.twitter.com/w7xHli7yWT

Maximales 20:15-Feeling. pic.twitter.com/puVHRogBDO

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