The EnFK Planungshilfen collection offers free calculation tools and guidelines for Swiss building energy verification. It includes Excel programs, checklists, and reference data supporting SIA 380/1 compliance and energy-efficient building design.
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The Tools from the EnFK Planungshilfen provide a set of free resources developed by the Central Switzerland Conference of Energy Specialists (EnFK Zentralschweiz) to support planners and authorities in building energy assessments. These tools are based on Swiss energy regulations and the SIA 380/1 standard for calculating heating energy demand.
The collection includes Excel-based calculation programs for SIA 380/1:2016 and SIA 380/1:2009, available for both Windows and Mac operating systems. Users can also access a wide range of complementary materials such as checklists for thermal bridges, guidelines for summer heat protection, and reference documents for heat pumps, windows, and cooling systems. Each resource is designed to simplify energy verification and facilitate the practical application of national energy requirements.
In addition to the SIA 380/1 tools, the platform links to external databases and software such as the Bauteilkatalog for U-value determination and Lignumdata for timber construction solutions. Maintained by the EnFK Zentralschweiz and supported by EnergieSchweiz, these tools form a comprehensive set of planning aids for architects, engineers, and public authorities seeking reliable and up-to-date energy compliance resources in Switzerland.
