The insulation of panel buildings constructed in the eighties or before is rather poor. Nowadays when the sensitivity of people towards the energy consumption is much more important complete housing estates are recovered with insulating tiles and are changed the windows of better heat insulating glass which is a rather expensive technology. A completely different solution and much less expensive is the invention of integrated multifunctional insulation of panel buildings. It offers the saving at least 50% of the heating energy, and during the hot season its an efficient cooling system. The appearance of the technology is environment friendly and offers the habitants a more pleasant quality of life.