Passive Houses and Direct Solar Gains: A Practical Strategy for Reducing Energy Consumption
パッシブハウスと直接日射取得：エネルギー消費削減の実践的戦略 (AI 翻訳)
Andrej Senegačnik, Martina Zbašnik Senegačnik
🤖 gxceed AI 要約
日本語
欧州グリーンディールを背景に、エネルギー需要削減の重要性を強調。スロベニア・リュブリャナのパッシブ木造住宅の事例研究により、暖房需要が年間15kWh/m²未満、夏期の能動的冷房不要など、パッシブソーラーデザインと高品質断熱の有効性を実証。
English
In the context of the European Green Deal, this paper argues that reducing energy demand is more effective than increasing renewable supply. A case study of a passive wooden house in Ljubljana, Slovenia, shows heating demand below 15 kWh/m² per year and no active cooling needed, demonstrating that passive solar design and high-quality thermal envelopes provide a robust pathway to low-energy, climate-resilient buildings.
Unofficial AI-generated summary based on the public title and abstract. Not an official translation.
📝 gxceed 編集解説 — Why this matters
日本のGX文脈において
日本ではZEH（ネット・ゼロ・エネルギー・ハウス）や省エネ基準の強化が進むが、パッシブハウス基準（PHI）の普及は限定的。本論文の実証データは、日本の気候風土に合った高断熱・高気密住宅の設計や、ZEHのさらなる高度化に示唆を与える。
In the global GX context
This paper provides empirical evidence from a passive house in Slovenia, supporting the global push for energy-efficient buildings as a key climate mitigation strategy. While the case is European, the principles of passive design and thermal envelope performance are universally applicable and relevant to building energy codes and green building certifications worldwide.
👥 読者別の含意
🔬研究者:Provides detailed energy consumption data from a passive house over two years, useful for validating building energy models.
🏢実務担当者:Demonstrates that passive house design can achieve ultra-low heating demand without active cooling, informing sustainable building design and retrofits.
🏛政策担当者:Supports policy incentives for passive house standards as a cost-effective way to reduce building sector emissions.
📄 Abstract（原文）
The European Green Deal aims to achieve a climate-neutral economy by 2050 through a transition from fossil fuels to renewable energy sources (RES). Despite strong political support, the transition faces major limitations due to growing global energy demand, and strong dependence on imported energy and materials. Fossil fuel use and CO2 emissions continue to rise globally. In Slovenia, the share of RES in primary energy has increased to about 20%, mainly due to biomass and hydropower, while solar photovoltaic (PV) systems – despite significant subsidies – contribute only a small share of final energy. This paper argues that reducing energy demand is more effective than attempting to meet ever-increasing consumption with renewable supply alone. Special emphasis is placed on energy efficiency in buildings, where heating and cooling represent the largest energy demand. A detailed case study of a passive wooden house in Ljubljana is presented, analysing electricity consumption in 2023 and 2024. Results show extremely low heating energy demand (below 15 kWh/m² per year), strong dependence on winter conditions, and no need for active cooling even during summer heat waves. The study demonstrates that passive solar design, high-quality thermal envelopes, and efficient technical systems provide a robust, comfortable, and economically viable pathway toward low-energy and climate-resilient buildings.
🔗 Provenance — このレコードを発見したソース
- openalex https://doi.org/10.1051/e3sconf/202671403005/pdffirst seen 2026-06-29 04:59:58 · last seen 2026-06-29 05:00:13
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