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Energy performance of two multi-storey wood-frame passive houses in Sweden

机译:瑞典两栋多层木结构被动式房屋的能源性能

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摘要

Two eight-story wood-framed residential buildings with the Swedish 2012passive house standard were built in 2009 in the Portvakten Söder quarter in the city of Växjöin Sweden. In this paper, we present the monitored specific energy use of the buildings andcompare to the requirements of the Swedish building code and recommendation for passivehouses. We also estimated the primary energy use and CO2 emissions and investigated thetenants’ views and experiences of the two buildings. Results show that the actual specificenergy use of 40.2 kWh/m2Atemp/year in the Portvakten Söder building fulfills, by a goodmargin, the requirements of the Swedish building code and the recommended passive housestandard, but is higher than projected. Applying a marginal perspective, the calculatedprimary energy use and carbon dioxide emission from operating the buildings (excludinghousehold electricity) was 40 kWh/m2Atemp/year and zero, respectively. Responses of 20 tenantsto a mail-in questionnaire survey showed that over 90% were satisfied with their apartments.
机译:2009年,在瑞典韦克森市的PortvaktenSöder街区建造了两栋符合瑞典2012年被动式房屋标准的八层木结构住宅楼。在本文中,我们介绍了受监控的建筑物的特定能源使用情况,并与瑞典建筑法规和无源房屋的建议进行了比较。我们还估算了一次能源的使用和二氧化碳的排放,并调查了租户对这两座建筑物的看法和经验。结果表明,PortvaktenSöder建筑物的实际比能源使用量为40.2 kWh / m2Atemp /年,很好地满足了瑞典建筑法规和推荐的无源房屋标准的要求,但高于预期。从边际角度来看,从建筑物运行中计算得出的主要能源使用量和二氧化碳排放量(不包括家庭用电)分别为40 kWh / m2Atemp /年和零。 20位租户对邮寄问卷调查的回复显示,超过90%的人对他们的公寓感到满意。

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