According to various embodiments, a heating system for heating a building and/or for preparing hot water is provided. The heating system can comprise a heat distributing device; and a computer, which is coupled to the heat distributing device in such a way that the heat produced by the computer is distributed in the building by means of the heat distributing device; wherein the computer is designed in such a way that the computer produces a message for a computing load distribution computer, wherein the message contains a piece of information about the heat demand of the heating system and/or of the building.