The complex execution of the internal installations, including solar installations of a combined surface area of 102 m2 placed on the roof of one of the buildings. The investment also encompassed the assembly of 4 heat pumps (one having a power capacity of 100 kW, the remaining three having a power capacity of 125 kW). A ground exchanger was made in the form of 100 vertical drillings at a depth of 100 m each.