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Evaluating the need and potential of equipping North American houses with multi-zone VAV systems

机译：评估用多区VAV系统装备北美房屋的需求和潜力

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摘要

To identify potential energy savings and improvements to thermal comfort in the Canadian residential sector, a survey on occupant behaviour and control of thermal environment was conducted from April-June 2009 in low-rise dwellings in Ontario, Canada. A total of 396 completed responses were received. Survey results show that approximately 20% of the respondents were not satisfied with their room temperature in the winter. Inadequate level of controllability to room temperature is perceived as the most serious problem. Problems associated with overheating during the winter and overcooling during the summer was also identified. Observations from the survey results helped identify the deficiencies of the heating equipments built today and suggest improvements should be made to increase the controllability of current systems. Thermal simulation was then conducted to identify the problems with single-zone systems commonly built today, and to investigate the potential retrofit alternative. Simulation results show that a multi-zone system can effectively mitigate the deficiencies suffered by existing systems and can drastically improve the energy performances of houses.
机译：为识别加拿大住宅行业的潜在节能和改善热情舒适性，对2009年4月 - 2009年4月在加拿大安大略省的低层住宅中进行了对乘员行为和对热环境控制的调查。共收到396个已完成的答复。调查结果表明，大约20％的受访者在冬季的室温不满意。对室温的可控性水平不足被认为是最严重的问题。还确定了冬季冬季过热和过度过冷的问题。调查结果的观察有助于确定今天建造的供暖设备的缺陷，并建议改进，以提高当前系统的可控性。然后进行热仿真以确定当今常用的单区域系统的问题，并调查潜在的改造替代品。仿真结果表明，多区系统可以有效地减轻现有系统遭受的缺陷，并且可以大大提高房屋的能量性能。

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