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RETRO\ **fitter**
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The RETRO\ **fitter** provides building owners with an easy-to-use tool that allows them to compare energy usage, costs, and CO₂ emissions as a result of custom retrofit scenarios without being an expert.

.. toctree::
   :maxdepth: 2
   :caption: Contents

   about/index
   c40project/index
   retrofitter/index
   domparkapi/index