Therefore, the core concept of this deliverable is to define a method that collects the energy related problems mapped and provide data useful for the implementation of retrofit solutions to be adopted.

The approach we follow in this deliverable is to look at both the demand side and supply side of energy. We see the hospital building (and its resulting energy use) as an answer between the organizational need for activities, within a specific set of boundary conditions and the solution in the form of a building that helps to resolve these demands.

In this deliverable we will first explore on a more detailed level the demand profiles (activity and building based energy analysis) to determine where we can make the best effort in realizing a significant energy reduction. Then, a method is described by which energy efficient retrofit solutions can be selected for specific situations in hospitals. The format for a matrix is suggested in which expert knowledge about energy consumption, label properties of BIM elements, and energy aspects is captured.