Influence of Building Airtightness on Energy Consumption of Office Building in Chongqing

  • Yuan LiuEmail author
  • Baizhan Li
  • Runming Yao
  • Xinyun Cao
Conference paper
Part of the Environmental Science and Engineering book series (ESE)


Taking office building in Chongqing as an example analyzes the effect of increasing building airtightness on energy consumption and indoor temperature. The simulation results show that the indoor temperature will increase as the airtightness level improves in summer, but reduce the comfort degree and increase air-conditioning load. In winter, it shows the opposite tendency. Furthermore, the cumulative heating load in the transitional season gradually decreases with the increase of the airtightness level, but the cooling load shows the opposite tendency. Therefore, during the transitional season, people can use the nature ventilation to take away some of the excess heating and humidity load.


Building airtightness Office building Energy simulation Energy conservation 



The project is supported by National Key R&D Program “Solutions to Heating and Cooling of Building in the Yangtze River Region” (Grant No: 2016YFC0700301).


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© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  1. 1.Joint International Laboratory of Green Buildings and Built Environment, Ministry of EducationChongqing UniversityChongqingChina
  2. 2.School of the Built EnvironmentUniversity of ReadingReadingUK

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