Abstract
In China, rural residential environment under the poor construction measures has not been satisfactory due to the backward infrastructure of countryside and the lacking of professional planning, which will result in considerable amount of energy consumption in the future. The economy of rural residences in the hot summer and cold winter region of China is relative developed, but the indoor thermal environmental quality is not so good. In this paper, the design strategies directed by passive design ideas for a small experimental rural residential building located in Hangzhou city was introduced and researched in response to hot summer and cold winter climate. Through modeling solution undertaken by Ecotect software, the building performance was simulated and analyzed for the optimization of design factors, such as shape, roof angle, insulation system, shading devices, as well as day-lighting system. Based on the above study, a set of appropriate energy-saving technologies were provided for improving the new rural residences construction in Hangzhou, which should also be recommended to other projects constructed in the same climate region.
Highlights
Since October of 2005, one important historical task was determined by Chinese government to develop the socialist new countryside consisting of constructing advanced rural residences and improving people’s living conditions
According to the reference [13], the first passive public building was constructed as a demonstrative project in Changxing county of Zhejiang province by using the “Passive house” standard of Germany for reference, which explored the potential of realizing the low-energy building practice in the hot summer/cold winter region and summarized the construction experience
As a whole, building construction elements play a significant role in terms of energy consumption and indoor thermal environment, which is restricted by the location, climatic conditions and physical properties of the building
Summary
Since October of 2005, one important historical task was determined by Chinese government to develop the socialist new countryside consisting of constructing advanced rural residences and improving people’s living conditions. Reference [6] introduced a field survey carried out in three typical villages including 150 households around Hangzhou to investigate the human environment and energy consumption In this survey, several findings were provided: a) the ownership of solar water heaters accounted for 70% in all the households, but lacking other renewable energy utilization; b) more than 50% of households had air conditioners, consuming 50% of residential energy; c) less than 50% of households showed the satisfactory to the indoor thermal environment and the evaluation to the summer was more poor than the winter; d) large window areas was popular for ventilation and good sight, but conducted the problems of over hot in summer and cold in winter. Based on the above study, a set of appropriate energy-saving technologies were provided for improving the new rural residences construction in Hangzhou, which should be recommended to other projects constructed in the same climate region
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