本文以北方地区使用太阳能热水系统的城市住宅为研究对象,在对住户的实际人均热水用量进行调研的基础上,对影响住户热水用量的主要因素进行了分析。而后,结合家庭健康卫生用热要求,提出了不同地区经济的人均热水用量估算值,以期为工程师在设计前期估算用热规模与确定太阳能热水系统的整体造价提供参考。 In this paper, urban residential buildings with solar water heating system in northern China are taken as the research object. Based on the investigation of the actual per capita hot water consumption of households, the main factors affecting the household hot water consumption are analyzed. Then, combined with the family health and heat requirements, proposed the estimated value of per capita hot water consumption in different regions of the economy, in order to estimate the heat used in the early design of the engineer and determine the overall cost of solar hot water system to provide a reference.