The vast majority of Europe’s buildings and homes were built during the post-war construction boom. In fact, it is estimated that of the 250 million houses in Europe today, less than 10 % were built in the last 10 years. But these homes aren’t just old, they’re also extremely inefficient. How inefficient? According to some estimates, of the between 85 % and 90 % of buildings that are expected to still be standing in 2050, 75 % are energy-inefficient.
Motivating consumers to use more efficient heating systems
The problem is that inefficient homes use more energy for such things as heating and cooling. Because so many homes are energy-inefficient, they are Europe’s single largest consumer of energy, responsible for 40 % of the EU’s total energy consumption!

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