Investigation and evaluation of operation status of green office buildings in Changping District, Beijing

In order to understand the operation status of green office buildings in Changping District, Beijing, selects four green office buildings and three conventional office buildings as research objects. By analysing the results of field investigation, tests and subjective questionnaires, finds that there is no clear relationship between the energy consumption and the star label of the green office buildings, and the energy conservation effect of green buildings needs further improvement. In general, the indoor environmental quality of green office buildings is better than that of the conventional office buildings. Evaluates the green office building by a simple assessment method based on building environmental efficiency. The assessment process includes two indicators: building energy consumption and building indoor environmental quality. The evaluation result can reflect the operation status of the building.