Taking the heating system of a middle and high end residential areas in Zhejiang as an example, the significance of clean energy replacing traditional energy is expounded from three aspects：national policy, geographical environment, economy and society. The gas boiler heating, air source heat pump electric heating and ground source heat pump electric heating are compared in detail. The initial investment cost, facility operation cost, main equipment performance and social economic benefits are analyzed in detail. It provides references for the choice of a suitable heating method for ordinary residents, and also provides references for the selection of ground source heat pump electric heating for residents in the middle and highend communities. In the end, the goal of reducing costs, increasing efficiency, saving energy, and protecting the environment is achieved.