Exploring solutions to achieve carbon neutrality in China: A comparative study of a large-scale passive House district and a Green building district in Qingdao

Han, Fei; Wang, Yang; Feist, Wolfgang; Cao, Xinyun; Yu, Zhengjie; Song, Binlei; Benli, Hüseyin; Dermentzis, Georgios

doi:10.1016/j.enbuild.2022.112224

Cited by 16 publications

(14 citation statements)

References 35 publications

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“…This result is consistent with a previous article, in which the PH building was found to consume only 11% of space heating required by the GB building. 25 The PE consumption converted from household electricity and total electricity consumption was 96.7 kWh/(m 2 Áa) and 117.5 kWh/(m 2 Áa), respectively, both of which are less than the limit of 120 kWh/(m 2 Áa) required by the PH standard if the PE coefficient is assumed to be 2.6. 11 In the summer, the electricity consumption was relatively lower.…”

Section: Discussion and Recommendationsmentioning

confidence: 90%

“…Their economics were analyzed in detail in previous publications. 25 The result is that the initial investment of PHs exceeds that of GB building by ¥864RMB/m 2 , which can be recovered in 17 years through energy-saving during the operational period.…”

Section: Discussion and Recommendationsmentioning

confidence: 99%

“…The coldest month is January, with an average daily temperature of À2°C, and space heating in the winter is a national requirement. 25 During spring and autumn, natural ventilation can provide a comfortable indoor environment. Even so, sudden weather changes do occur at any time.…”

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

“…The lowest temperature in Qingdao's urban area on the 7 th January was À15.9°C, which was the lowest temperature monitored by the Qingdao weather station since 1961. 26 A PH district 25 was constructed in 2019 that has been certified by the German Passive House Institute (PHI), 27 and also certified as a two-star GB by China GB Council. 28 A PH is a building in which thermal comfort can be guaranteed by post-heating or post-cooling the incoming fresh-air mass required for good IAQ.…”

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

“…The PH and GB districts and buildings were introduced in detail in previous publications. 25 The details of GB are not included herein. The PH building has a compact shape that contributes to minimizing heat transfer through the building envelope.…”

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

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Operational performance evaluation of a Passive house residential building in northern China based on long-term monitoring in winter

Han

Liu²,

Feist

et al. 2023

Indoor and Built Environment

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Passive houses, called nearly zero energy buildings in China, are developing rapidly. These constructions in China are mainly located in cold climate zones. Due to highly efficient energy-saving technology, Passive houses can decrease space heating demand (SHD) by 70%–90% compared to local conventional buildings. However, this energy-saving rate is still a theoretical result and needs to be verified by real data. There is a lack of studies evaluating the performance of residential Passive houses through monitored data in China. This article selects a newly built multi-storey residential Passive house building in Qingdao to accurately quantify its energy performance. Through energy consumption monitoring throughout winter, the average SHD of this building at an occupancy rate of 47% was found to be 28 kWh/(m2·a) and the primary energy consumption was 96.7 kWh/(m2·a), while maintaining a high level of indoor comfort. Compared with local conventional Green Buildings, the SHD of the case building was reduced by 86.3% and the total energy consumption was reduced by 69.2%. The results demonstrate that Passive houses have a great energy-saving potential and provide evidence supporting the use of Passive houses as an option for sustainable building in northern China.

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Section: Discussion and Recommendationsmentioning

confidence: 90%

Section: Discussion and Recommendationsmentioning

confidence: 99%

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

Section: Basic Information On the Investigated Buildingmentioning

confidence: 99%

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