1. 1) Ministry of Land, Infrastructure, Transport and Tourism: Wagakuni no Jutaku stock wo meguru jokyo ni tsuite (Situation surrounding housing stock in Japan), p.11, 2019 (in Japanese) 国土交通省: 我が国の住宅ストックをめぐる状況について, p.11, 2019, (online), available from <https://www.mlit.go.jp/common/001318639.pdf>, (accessed 2021-11-5)
2. 2) Datsu tanso shakai ni muketa jutaku kenchikubutsu no shouene taisaku tou no arikata kentoukai (Study group on energy-saving measures for houses and buildings for a carbon-free society): Datsu tanso shakai ni muketa jutaku kenchikubutsu ni okeru shouene taisaku tou no arikata susumekata (Energy-saving measures in houses and buildings for a carbon-free society and how to proceed), p.12, 2021 (in Japanese) 脱炭素社会に向けた住宅・建築物の省エネ対策等のあり方検討会: 脱炭素社会に向けた住宅・建築物における省エネ対策等のあり方・進め方, p.12, 2021, (online), available from <https://www.mlit.go.jp/jutakukentiku/house/content/001419721.pdf>, (accessed 2021-11-5)
3. 3) H. Saito et al.: Verification of practical renovations regarding thermal performances for wooden frame houses complying with 1980 energy conservation standard, AIJ Journal of Technology and Design, No. 24, pp.207-212, 2006 (in Japanese) 齋藤宏昭, 桑沢保夫, 石崎竜一, 澤地孝男, 瀬戸裕直, 三浦尚志: 昭和55 年省エネルギー基準レベルの在来木造住宅を対象とする実用的断熱改修手法の検証, 日本建築学会技術報告集, 第24 号, pp.207-212, 2006 (DOI: https://doi.org/10.3130/aijt.12.207 )
4. 4) H. Saito et al.: Verification of impact on thermal performances by partial renovations regarding thermal insulation for a wooden frame house, Journal of Environmental Engineering (Transactions of AIJ), Vol. 73, No. 632, pp.1163-1169, 2008 (in Japanese) 齋藤宏昭, 服部哲幸, 松島加奈, 桑沢保夫, 石崎竜一, 澤地孝男, 瀬戸裕直, 井上隆: 温暖地の木造住宅における部分断熱改修による熱性能改善効果の検証, 日本建築学会環境系論文集, 第 73 巻, 第 632 号, pp.1163-1169, 2008 (DOI: https://doi.org/10.3130/aije.73.1163 )
5. 5) K. Hasegawa et al.: Case study of indoor environmental performance improvement in six detached houses before and after thermal insulation retrofit, Journal of Environmental Engineering (Transactions of AIJ), Vol. 83, No. 743, pp.97-105, 2018 (in Japanese) 長谷川兼一, 松本真一,細淵勇人: 東北地方における戸建住宅の断熱改修による環境改善効果に関する事例研究, 日本建築学会環境系論文集, 第83巻, 第743号, pp.97-105, 2018 (DOI: https://doi.org/10.3130/aije.83.97 )