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Study on energy saving and indoor thermal environment improvement effects by heat shielding and insulation building materials for openings introduced to detached houses

Year: 2026

Type: article

Abstract: In this study, the energy-saving effects and indoor environment improvement effects of plastic windows and heat-shielding and heat-insulating building materials were examined through field experiments and numerical simulations using a detached house as a model. By installing plastic windows and heat- shielding and heat-insulating building materials around the openings of the experimental building, energy conservation effects and improvements in the indoor thermal environment were confirmed. On a representative summer day, outer shutters reduced cooling power consumption by 16%, and shades reduced it by 14%. Using a model of a detached house, the annual heating and cooling power was analysed through numerical simulation. By introducing plastic sashes and triple layered glass windows, the annual heating and cooling power was reduced by 9.4%. By installing shades, the annual heating and cooling power was reduced by 7%, and by installing outer shutters, it was reduced by 8%.

Source: Springer Link (Chiba Institute of Technology)

DOI: 10.1051/e3sconf/202668903005/pdf

Authors: Takeshi Kondo, Takashi Akimoto, Ryutaro Kubo

Institutions: Nikken Sekkei (Japan), Shibaura Institute of Technology, Nihon University

Language: English

Topic: Building Energy and Comfort Optimization

Subfield: Building and Construction

Field: Engineering

Domain: Physical Sciences

SDGs: Affordable and clean energy, Sustainable cities and communities, Climate action

Open Access status: green

OpenAlex ID: W7125376895

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