The project concerns the energy upgrading of the building of the 2nd Primary School of Archanes – Asterousia, Heraklion Crete and includes the following tasks:- Energy upgrading of the building’s shell with the application of thermoresistance.- Applying thermal insulation – waterproofing on the roof, with the appropriate slopes for the drainage of the barbs, with the type of fireproof, with the decoration of the roofs, with the construction of the roofs, with the uni.e.