“…For comparison purposes, the Member States are divided into climatic zones as follows: (1) Cyprus, Croatia, Italy, Greece, Spain and Portugal in Mediterranean, (2) Belgium, Denmark, Ireland, Germany, France Luxembourg, and Netherlands in Oceanic, (3) Austria, Bulgaria, Czechia, Hungary, Poland, Romania, Slovenia, and Slovakia in Continental, and (4) Estonia, Finland, Latvia, Lithuania, and Sweden in Nordic. The average NZEB performance levels by climatic zones were calculated as explained in [26]. The comparison reveals an uneven landscape.…”