A system and method includes a vapor-compression circuit having a working fluid flowing therethrough, a thermoelectric device positioned in a heat-transfer relation with the working fluid, and a power supply providing current to the thermoelectric device to generate a heat flow through the thermoelectric...http://www.google.se/patents/US7240494?utm_source=gb-gplus-sharePatent US7240494 - Vapor compression circuit and method including a thermoelectric device