With the reform of our housing system, a basic pattern, which focuses on the privatization of housing and on the coexistence of housing ownerships, comes into being, its profound social influence being felt in the complicated process per se.

Based on analyses of the clmate characteristics and the thermal performance of external maintenance structures of existing buildings in the area,this paper presents some techmical measures of energysaving renovation for the existing domestic buildings,from such aspects as the wall,roof,window,heating system as well as the application of regenerative energy in construction.

Brief Analysis of Energy Saving Alteration in Existing Residential Buildings of Han Dan;

The existing residential buildings turning into green building by ecological restoration;

The Explore and Fulfill of Integrated Energy Saving Alteration in Existing Residential Buildings;

Energy-saving renovation technology studies of outdoor shop hard to environmental quality of existing residential building

Due to the disadvantages of present financing channels,for energy-saving retrofit of existing residential buildings,the idea of operating city was introduced.

Through the energy efficiency analysis of different construction technologies,this article put forward several reference energy-saving retrofitting methods for re-decoration of existing residential building from the envelope,water-heating system and electronic appliance.