An electric energy generating device for installation to an exhaust conduit in which an exhaust gas is flowing, wherein the device comprises; - a thermoelectric generator comprising a hot side and a cold side, - at least one hot side heat transfer loop comprising a fluid conduit circuit having a thermal fluid circulating therein, and where the fluid conduit circuit comprises; a first section in thermal contact with the hot side of the thermoelectric generator, a second section adapted to be in thermal contact with the exhaust gas, a third section located between the first section and the second section upstream of the first section and a fourth section located between the first section and the second section downstream of the first section, wherein the third section and the fourth section are thermally insulated, and each comprise(s): at least one vibrational damping part, wherein each of the at least one vibrational damping part comprises a heat resistant and flexible tube integrated into the third section and the fourth section of the fluid conduit circuit, and at least one connection device to connect the third section and the fourth section to a surface external to the device and the exhaust conduit, wherein each of the at least one connection device comprises a vibrational damping portion, - at least one cold side heat transfer loop arranged on the cold side of the thermoelectric generator, the at least one cold side heat transfer loop being in thermal communication with a cooling reservoir. - a thermoelectric generator comprising a hot side and a cold side, - at least one hot side heat transfer loop comprising a fluid conduit circuit having a thermal fluid circulating therein, and where the fluid conduit circuit comprises; a first section in thermal contact with the hot side of the thermoelectric generator, a second section adapted to be in thermal contact with the exhaust gas, a third section located between the first section and the second section upstream of the first section and a fourth section located between the first section and the second section downstream of the first section, wherein the third section and the fourth section are thermally insulated, and each comprise(s): at least one vibrational damping part, wherein each of the at least one vibrational damping part comprises a heat resistant and flexible tube integrated into the third section and the fourth section of the fluid conduit circuit, and at least one connection device to connect the third section and the fourth section to a surface external to the device and the exhaust conduit, wherein each of the at least one connection device comprises a vibrational damping portion, a first section in thermal contact with the hot side of the thermoelectric generator, a second section adapted to be in thermal contact with the exhaust gas, a third section located between the first section and the second section upstream of the first section and a fourth section located between the first section and the second section downstream of the first section, wherein the third section and the fourth section are thermally insulated, and each comprise(s): at least one vibrational damping part, wherein each of the at least one vibrational damping part comprises a heat resistant and flexible tube integrated into the third section and the fourth section of the fluid conduit circuit, and at least one connection device to connect the third section and the fourth section to a surface external to the device and the exhaust conduit, wherein each of the at least one connection device comprises a vibrational damping portion, at least one vibrational damping part, wherein each of the at least one vibrational damping part comprises a heat resistant and flexible tube integrated into the third section and the fourth section of the fluid conduit circuit, and at least one connection device to connect the third section and the fourth section to a surface external to the device and the exhaust conduit, wherein each of the at least one connection device comprises a vibrational damping portion, - at least one cold side heat transfer loop arranged on the cold side of the thermoelectric generator, the at least one cold side heat transfer loop being in thermal communication with a cooling reservoir.