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Energy efficiency in buildings

One of the key means to reach the goal of emitting 50-85 % less CO2 by 2050 is to reduce the energy consumption in buildings. The major CO2 contributors in Europe are illustrated below.

Heating and cooling are the main energy consumers in buildings and account for two thirds of a building’s total energy consumption. However, most of this energy is wasted due to inadequate insulation. By using well-proven energy efficiency techniques, 70 to 90 % of a building’s energy need for heating or cooling can be cut.

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