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What is NZEB?

NZEB stands for Nearly Zero Energy Buildings this means that the house or the building has a high energy performance. This means that it should take nearly zero energy required as the building is covered mainly by renewable energy including renewable energy produced on site or a site nearby. 

Nearly Zero Energy Buildings (NZEB) are defined in the Energy Performance in Buildings Directive (EPBD) as: "a very high energy performance, as determined in accordance with Annex 1, The nearly zero or very low amount of energy required should be covered to a very significant extent by energy from renewable sources, including energy from renewable sources produced on-site or nearby".