Covering old buildings in a 'second skin' could slash heating bills and emissions | CNN Business

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With soaring energy prices, home insulation is becoming increasingly important. But old buildings that fail to keep in the heat are not only expensive for residents — they’re also costly for the climate.

In the European Union, where buildings account for 40% of energy consumption and 36% of CO2 emissions, new construction alone won’t be enough to fix the problem. For that, old homes need to be retrofitted to make them more energy efficient. Ecoworks, a German startup, thinks it has the answer. The company uses laser scanning technology to create a digital twin of a building. It then produces prefabricated panels that fit precisely over the old building, improving its insulation.

Residents only have to leave their homes for about two days with Ecoworks retrofits, as opposed to six to eight weeks with conventional renovation. Despite the benefits of retrofitting, progress has been slow. According to the European Commission, about 35% of Europe’s buildings are more than 50 years old and almost 75% are energy inefficient. Only 1% is renovated each year. The Commission has introduced stronger regulations on energy performance to incentivize developers.

 

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