‘Energy Efficiency’ means the ratio of output of performance, service, goods or energy to input of energy, in other words the practice of using less energy to provide the same amount of useful output from a service (such as heating water, lighting, or cooling a fridge).
To read more about energy efficiency specifically in the context of EU product regulation, visit our page explaining what the energy efficient products web portal is about.
The energy efficiency topic also covers, the energy efficiency directive, energy performance of buildings, financing and ecodesign for sustainable products.
Disclaimer: Please note that the European Commission cannot provide a legally binding interpretation of the EU legislation, as this is the sole competence of the European Court of Justice. Any remarks from the European Commission services are without prejudice to the position the Commission might take should related cases arise in a procedure before the Court of Justice.