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Run your first calculation

Run the building’s first LCA calculation, so you can see a result.

The building has core data, at least one construction and at least one building product.

  1. Click LCA calculations in the project menu.
  2. Click Calculate now.
  3. Wait for the calculation to finish. This typically takes a few seconds for a small project.

If you change anything in the building model, building data or operational energy after a calculation, the result is marked as stale: the inputs have changed since the last calculation. Click Recalculate to refresh the result. The calculation never runs automatically in the background; you always have to request it yourself.

You land on the Overview page with the building’s total climate impact in kg CO₂-eq/m²/year, and can move on to the other result views.