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RESIDENCE P.,
Kaltern (BZ)
The Rise of the Passive House
Family P.
Energy Concept, PHPP Calculation, Execution and Detailed Planning, Quality Assurance, Construction Supervision: Eng. Oscar Stuffer – Solarraum
2008 – 2009
I – 39052 Caldaro (BZ)
200m², 800m³
KlimaHaus “Gold” (10 kWh/m²a) / Passive House (14 kWh/m²a)
Submission Project, Structural Engineering, Safety: Engineering Office Obrist & Partner
Georg Hofer
The new section of a semi-detached house was built to passive house standards, despite challenging conditions: closed to the south (extension), very small volume, and limited budget. For this project, the initial submission was optimized using energy calculations (Passive House Planning Software). This led to a redefinition of the building envelope and the development of the execution project with detailed planning.
The building was monitored as part of the “Enerbuild WP5_action 5.4” project. The measured heating energy consumption was 10 kWh/(m²a), lower than the calculated heating demand of 14 kWh/(m²a) using PHPP. The results are telling. In only 2 of the 18 monitored buildings was the measured heating demand lower than the calculated. In the long-term monitoring, the P. house in Kaltern performed the best.