‘energy efficiency’ means energy efficiency as defined in point (4) of Article 2 of Directive 2012/27/EU;
ciallaíonn “éifeachtúlacht fuinnimh” éifeachtúlacht fuinnimh mar a shainmhínítear i bpointe (4) d'Airteagal 2 de Threoir 2012/27/AE;