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首页> 外文期刊>Energy and Buildings >Very Low Energy Homes In The United States: Perspectives On Performance From Measured Data
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Very Low Energy Homes In The United States: Perspectives On Performance From Measured Data

机译：美国的超低能耗房屋：来自实测数据的性能观点

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We present measured annual performance data from a dozen recent-vintage very low energy homes in North America. Many of the designs combine greater energy efficiency with solar electric photovoltaic power in an attempt to create Zero Energy Homes (ZEH). We also provide measured data from the first home constructed to the German Passivhaus standard in the United States. Several projects either exceeded or come very close to true net zero energy when evaluated over a year.rnThe data indicate that very low energy use buildings can very readily be achieved in North America. Annual energy use half that or less than standard housing can be achieved for an equivalent cost of $0.10/ kWh from the efficiency investment. In general, the better cost effectiveness seen from energy efficiency measures indicates that greater investment in conservation should be a prerequisite to installation of solar water heating and solar electricity in Zero Energy Homes. However, over emphasis in efficiency is also possible. This suggests that optimization tools such as BEopt and EGUSA, which characterize both renewable resource performance and that also of specific combinations of energy efficiency measures, will best guide designers to locate the most economically favorable mix to reach an energy neutral level.
机译：我们提供了来自北美12个近期老式超低能耗房屋的测得的年度性能数据。许多设计将更高的能源效率与太阳能光伏发电相结合，以创建零能耗房屋（ZEH）。我们还提供从美国建造的第一套房屋到德国Passivhaus标准的测量数据。经过一年的评估，有几个项目超过或接近于真正的零能耗。rn数据表明，在北美非常容易实现低能耗建筑。每年从能源效率投资中获得的能耗仅为标准住房的一半或更少，相当于0.10美元/千瓦时。一般而言，从节能措施中看到的更好的成本效益表明，对保护的更多投资应该是在“零能耗之家”中安装太阳能热水和太阳能的先决条件。但是，过分强调效率也是可能的。这表明，诸如BEopt和EGUSA之类的优化工具既可表征可再生资源的性能，又具有能效措施的特定组合，它们将最佳地指导设计者找到最经济有利的混合物，以达到能源中和的水平。

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