Representative No: WO/2012/127451
Type of IP: Patent
Industry: Building engineering
A heat energy system which can be used to heat or maintain thermal balance in the interiors of buildings or buildings parts. According the invention there are containers built near and/or instead of surrounding surfaces of a room: of upper (8) and lower (7) surrounding surfaces to at least certain extent, and at least two parts of opposite side surrounding surfaces (3-4); and the neighbouring containers (15) are connected (20-21), and all containers define one closed fluid volume which is filled with heat transporting fluid.