Quantitative analysis of heat recovery equipment’s energy-saving effect must be achieved by dynamic analysis throughout the year

only the design method of traditional winter and summer typical conditions can not meet its requirement.The paper takes an office building for example

chooses Harbin、Guangzhou with the typical climate

the Dest energy consumption simulation software was used to perform simulation under two fresh air energy consumption

energy savings with the total heat exchanger and significant heat exchanger in the two places was compared

and the principle of the application with the two heat recovery equipments was advanced.