For BedZED a wind-cowl system was developed to deliver preheated fresh air for each home, and to extract its vitiated air, complete with heat recovery from the extracted ventilation air.
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- 对BedZED系统,一种风帽系统被用于将预先加热的空气导入房间内,同时,排出有害的废气,并在排风中进行热回收。