Abstract
The purpose of this survey is to investigate the actual conditions of the energy consumption, indoor thermal environment and life style of urban apartments in China so as to estimate the future trend of residential energy consumption and indoor environment. The apartments under investigation were located in the urban areas of nine major cities. Questionnaire survey was used to examine the building characteristics and the heating and cooling systems. The recorded meter readings showed that monthly energy consumption varied amon nine cities. By analyzing, energy consumption of the apartments in Chongqing is the largest consumer with 19.2GJ/year among nine cities.
