随着城市水资源的匮乏,建筑给排水已影响到人民群众的生产和生活,因此,建筑给排水的节能和节水研究不可轻视。本文介绍了建筑给水排水行业中节水及节能措施,包括新型节水设备,给水系统,热水循环系统,冷却循环水系统,中水回用,雨水回用,新型水表及管理方法,真空节水技术等。 With the lack of urban water resources, water supply and drainage in buildings have affected people’s production and life, therefore, energy saving and water saving in building water supply and drainage should not be underestimated. This paper introduces water saving and energy saving measures in the water supply and drainage industry in buildings, including new water saving equipment, water supply system, hot water circulation system, cooling circulating water system, reclaimed water reuse, rainwater reuse, new water meter and management methods, Water technology and so on.