Abstract: With an object to provide a thermoelectric converter excellent in performance, this invention provides a thermoelectric converter provided with a first thermal converter 1, a blocked second thermal conductor 2 connected to a predetermined position of the first conductor 1, a frame 6 made of a synthetic resin and surrounding the second conductor 2, a thermally-conductive substrate 5 with the frame 6 fixed at a basal end portion 8 thereof on the substrate and also with a group of thermoelectric elements 4 supported inside the substrate, and a heat-insulating layer 31 interposed between the first thermal conductor 1 and the thermally-conductive substrate 5 such that the frame 6 is surrounded at an outer periphery thereof by the heat-insulating layer. The second thermal conductor 2 and the thermally-conductive substrate 5 are opposing each other and are maintained in close contact with each other via the group of thermoelectric elements 4.