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Thermal energy refurbishment status of the Irish housing stock

机译：爱尔兰房屋库存的热能翻新状况

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Energy Performance Certificates (EPCs) are issued for buildings constructed, sold or leased across the EU. Using a generalizable methodology this work exploits Ireland's EPC national dwelling stock database to determine the thermal refurbishment status of Ireland's housing stock. It is estimated in 2014 that; i) 58% of walls were insulated at a mean overall heat loss coefficient or U-value of 0.66 W/m(2)K, ii) 67% of roofs were insulated at a mean U-value 0.37 W/m(2)K, iii) 97% of windows were double-glazed, and iv) 53% of floors were insulated to a mean U-value of 0.59 W/m(2)K. The (i) extent of thermal refurbishments and (ii) high degree of energy-efficiency improvements in Ireland contribute significantly to household energy usage per square metre being 9% below the EU 27 average in 2010, and the average energy efficiency of Irish housing having improved by over 34% between 1995 and 2011 (2.5% per annum). The distinction between the thermal efficiency of pre-thermal building regulation and post-thermal building regulation dwellings, whilst still valid, is lessening. A strong association between dwelling age and energy efficiency often-made is diminishing as retrofits continue to be carried out. The long-held view that the majority of Irish dwellings are thermally sub-standard is no longer valid. (C) 2019 Published by Elsevier B.V.
机译：能源绩效证书（EPC）颁发给在整个欧盟范围内建造，出售或租赁的建筑物。该工作使用一种可推广的方法，利用爱尔兰的EPC国家住宅数据库来确定爱尔兰房屋的热修复状况。估计在2014年； i）58％的墙壁以平均总热损失系数或U值为0.66 W / m（2）K进行隔热，ii）67％的屋顶以平均U值为0.37 W / m（2）进行隔热K，iii）97％的窗户是双层玻璃，iv）53％的地板被隔热，平均U值为0.59 W / m（2）K。 （i）爱尔兰的热能翻新范围和（ii）高度提高的能源效率极大地促进了每平方米家庭的能源使用，比2010年欧盟27国的平均水平低9％，并且爱尔兰房屋的平均能源效率为在1995年至2011年间，该数字提高了34％以上（每年2.5％）。前热建筑法规住宅和后热建筑法规住宅的热效率之间的区别虽然仍然有效，但正在减少。随着改造的进行，居住年龄和经常使用的能源效率之间的紧密联系正在减弱。长期以来一直认为爱尔兰的大多数房屋在热学上都不合格的观点不再成立。 （C）2019由Elsevier B.V.发布

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