The analysis of thermal performance of vernacular building envelopes in tropical high lands using Ecotect

Hermawan1,2,5, Sunaryo3 and A Kholil4
1 Department of Architecture, Qur’anic Science University, Jl. Hasyim Asy’ari Km.03, Wonosobo, 56351, Indonesia
2 Doctoral Program in Architecture, Diponegoro University, Jl. Prof Sudarto, Semarang, 50275, Indonesia
3 Department of Mechanical Engineering, Qur’anic Science University, Jl. Hasyim Asy’ari Km.03, Wonosobo, 56351, Indonesia
4 Department of Post Graduate, Qur’anic Science University, Jl. Hasyim Asy’ari Km.03, Wonosobo, 56351, Indonesia
5 Corresponding author: hermawanarsit@gmail.com


Abstract. Climate change affects all areas, including those with low temperature. Wonosobo belongs to highland areas with low temperature. The thermal performance of buildings is influenced by micro-environment climate so that the climate change will affect the thermal performance of buildings. Vernacular buildings are believed to be able to make the occupants comfortable. The vernacular buildings in tropical highlands have either exposed stone walls or wooden walls. The present research seeks to analyze the thermal performance of building envelopes with wooden walls and exposed stone walls in highland areas. Simulation method using the Ecotect software was applied. There are 12 building models with a variety of roofing and flooring were selected. The results of the simulation indicate that the difference between indoor and outdoor temperatures of one model and other models is not significant. Warm temperature mostly occurs in houses with exposed stone walls. Highland areas need much
warmth so that cold temperature will not disturb occupants.

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