The Viessmann Group is one of the leading international manufacturers of heating systems. With the building energy-saving check Viessmann offers the possibility to determine quickly and without much effort, how efficiently a heating system. At the same time you get a proposal for the modernization of heating systems up to a capacity of 60 kilowatts. After entering some system parameters to the old system, the app creates a modernization proposal.

As a result, the user will receive information on how much energy, how much money and how much CO2 can be saved after modernization. Additionally information or professional advice may be requested.