Research on Design of Collective Housing with Air-Circulation Central Air-Conditioning System Based on Solar Energy Utilization

Chuan Shi, Zhen Wang, Qian Liang, Ziwei Wan and Qingsong Ma ()
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Chuan Shi: College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China
Zhen Wang: College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China
Qian Liang: College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China
Ziwei Wan: College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China
Qingsong Ma: College of Architecture and Urban Planning, Qingdao University of Technology, Qingdao 266033, China

Sustainability, 2025, vol. 17, issue 5, 1-21

Abstract: The article presents an innovative design schema for air circulation within collective housing, which effectively reduces energy consumption and improves the indoor environment. It also solves the problem of the high operating and maintenance costs caused by the simultaneous installation of air conditioners and radiators. Employing dynamic energy consumption calculation software THERB for HAM, the energy-saving benefits of this design are simulated. The strategy involves capturing heat within the sunspace and transferring it to the conditioning chamber, from where the air is tempered and circulated throughout the habitable spaces to minimize heating. The findings suggest that by strategically using sunspace heat, heating energy can be significantly reduced by 43%. It helps to promote the development of sustainable building design. A comparative analysis of window materials in the sunspace, including single glazing, double glazing, and low-e double glazing, indicates that windows with enhanced insulation properties can substantially decrease the heating energy. Considering both energy efficiency and economic feasibility, low-e double glazing is identified as a particularly advantageous choice.

Keywords: collective housing; sustainable building design; air circulation; central air-conditioning system; sunspace; heat utilization (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2025
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