The aim of the project is to remedy the technical shortcomings of the current state of the envelope and installation system of the two buildings under consideration, which stem from the fact that it was designed and constructed and maintained under conditions that tolerated energy waste; ensure the energy and environmental sustainability of energy-integrated buildings; ensure the necessary and appropriate climate comfort in buildings; achieve the technical and economic conditions of the feasibility of energy remediation appropriate minimum primary energy consumption and minimum environmental burden on greenhouse gas emissions and other emissions.