1https://ec.europa.eu/energy/sites/ener/files/documents/1.final_report.pdf 2以欧盟 3% 的公共建筑改造目标为目标 (https://ec.europa.eu/energy/content/setting-3-target-public-building-renovation_ en) 3北欧/中欧的地热 HP 或南欧国家的空气热 4参见 FITHOME 项目的融资方案 5公私合作伙伴关系 6在荷兰,Energiesprong 已在数年内在一个拥有 780 万户家庭的国家(0.13%)完成了约 10,000 项改造。欧盟 0.3% 至 0.4% 的比率代表约 800,000 户家庭。⁷https://ec.europa.eu/energy/sites/ener/files/documents/1.final_report.pdf 8https://www.statista.com/statistics/868008/number-of-private-households-in-the-eu/#:~:text=Europe%3A%20number%20of%20pri- vate%20households%202017&text=This%20statistic%20shows%20the%20number,amounted%20to%20approximately%20221.3%20 million.