The ornamental design for a thermoelectricheatpump, as shown and described.
FIG. 1 is an upper perspective view of a thermoelectric heat pump showing our new design;
FIG. 2 is a lower perspective view of the thermoelectric heat pump;
FIG. 3 is a top plan view of the thermoelectric heat pump;
FIG. 4 is a bottom plan view of the thermoelectric heat pump;
FIG. 5 is a left side elevation view of the thermoelectric heat pump;
FIG. 6 is a right side elevation view of the thermoelectric heat pump;
FIG. 7 is a rear elevation view of the thermoelectric heat pump; and,
FIG. 8 is a front elevation view of the thermoelectric heat pump.
Throughout the Figures, the dashed broken lines are included for the purpose of illustrating environment of the design and form no part of the claimed design.