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Energies 2012, 5(6), 1927-1942; doi:10.3390/en5061927

Field Measurements of Residential Energy Consumption and Indoor Thermal Environment in Six Chinese Cities

Graduate School of Engineering, Tohoku University, Aoba 6-6-11-1201, Sendai 980-8579, Japan
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Received: 9 January 2012 / Revised: 10 May 2012 / Accepted: 21 May 2012 / Published: 19 June 2012
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Abstract

The purpose of this study was to reveal the energy use and indoor environment characteristics of twelve households located in six cities in China, including daily use of gas and electricity, temperature and humidity throughout a year. The energy uses for district heating and hot water were not included. The investigated houses were separated into two groups, namely Group 1 with domestic heating, and Group 2 with district heating. The analysis showed that the energy use of Lighting and Audio visual & information for each house is not very different during the four seasons. Annual energy use varied from 13.3 to 32.4 GJ in Group 1. The energy use of House 05 was 32.4 GJ/year, which is the highest in Group 1, the space heating reached 18.5 GJ/year, accounting for 57% of the total. Energy use of House 01 increased in winter and summer, which is attributed to the use of heating in winter and cooling in summer, respectively. Annual energy use varied from 2.9 to 17.0 GJ in Group 2. Almost no change of energy use was found for the houses in Group 2 during the four seasons, but a big difference of average indoor temperature was found in the coldest days between the houses in Group 1 (around 10 °C) and Group 2 (around 20 °C), while the difference was small in summer.
Keywords: field measurement; energy use; thermal environment; China field measurement; energy use; thermal environment; China
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Hu, T.; Yoshino, H.; Zhou, J. Field Measurements of Residential Energy Consumption and Indoor Thermal Environment in Six Chinese Cities. Energies 2012, 5, 1927-1942.

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