Heat exchanger assembly for a heater, in particular an auxiliary heater or an additional heater for a vehicle

The heat exchanger for a heating device for a motor vehicle, especially a fixed or additional heater comprises a housing (32) with base and wall enclosing a heat source (12,28). A thermal electric current generator (42) is positioned on the external wall side of the heat source. An Independent claim is also included for a heater for the above.