Investigation of Thermal and Energy Performance of the Thermal Bridge Breaker for Reinforced Concrete Residential Buildings

Mi-Yeon Kim, Hyung-Geun Kim, Jin-Sung Kim and Goopyo Hong
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Mi-Yeon Kim: SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea
Hyung-Geun Kim: SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea
Jin-Sung Kim: SH Urban Research Center, Seoul Housing & Communities Corporation, Seoul 06336, Korea
Goopyo Hong: Department of Architectural Engineering, College of Engineering, Kangwon National University, Samcheok 25913, Korea

Energies, 2022, vol. 15, issue 8, 1-11

Abstract: Thermal bridges in building envelopes can cause significant heat loss and heat gain. In this study, the developed thermal bridge breaker was applied to an interior insulation finishing system in residential buildings to minimize the thermal bridges in building envelopes. To investigate the thermal and energy performance of the developed thermal bridge breaker, the surface temperatures and heat flow at the wall and floor junctions were predicted using Physibel. In addition, the heating and cooling energy consumption in a residential building was analyzed by EnergyPlus. As a result, the use of the thermal bridge breaker can minimize the effective thermal transmittance in the building envelope system. Moreover, when the building envelopes were equipped with the thermal bridge breaker, the heating and cooling load through the exterior walls was decreased by 15–27%. Thus, the thermal bridge breaker can play an important role in minimizing the heat loss and occurrence of condensation in building envelopes.

Keywords: thermal bridge; envelop; energy performance (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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