Orueta etxea: technical challenges for passivhaus certification of an architecture concreteless
DOI:
https://doi.org/10.20868/ade.2024.5469Keywords:
construction, design, energy efficiency, sustainability, ODSAbstract
Orueta Etxea, located in the wetlands of Urdaibai, Bizkaia, exemplifies integral sustainability and circular economy, built exclusively with low-emission, locally sourced materials. Raw materials such as local wood, limestone, and gravel are sourced within close proximity. The house avoids concrete entirely, featuring a limestone foundation and a prefabricated wooden structure that preserves the natural terrain and minimizes emissions.
Achieving the Passivhaus Classic certification required overcoming significant challenges: the unconventional shape, a larger-than-usual thermal envelope due to its elevated design, a large sliding door compromising airtightness, and overheating risks from large windows. Solutions include domotized shading systems, advanced energy simulations, and custom carpentry for specific thermal performance. The project integrates exceptional architectural quality, energy efficiency, and environmental sustainability. Through extensive research and development of innovative calculations, Orueta Etxea stands as a pioneering example of sustainable architecture, combining efficiency, beauty, and cutting-edge design within the strict Passivhaus standards
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References
1. Tranfa, F. (2022). Casa en Gautegiz de Arteaga, Euskadi, España. Casabella Architectural Magazine, 932, 26-33.
2. UNE-EN ISO 10211:2022. Puentes térmicos en edificación. Flujos de calor y temperaturas superficiales. Cálculos detallados. (ISO 10211:2017).
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