This paper takes GHP1000 water source heat pump as case study; the methodological of life cycle analysis has been put forward; and some questions occurred in actual work are also discussed.

• 本文以水源中央空调GHP1000为研究对象，初步提出了生命周期分析的方法学模型，并对实际工作中所发现的若干问题进行了讨论。