FAQ - Watronix, Inc. - inbthermoelectric.com FAQ. 1. How does a thermoelectric module work? Thermoelectric modules are solid-state heat pumps that operate on the Peltier effect (see definitions). A thermoelectric module consists of an array of p FAQ. 1. How does a thermoelectric module work? Thermoelectric modules are solid-state heat pumps that operate on the Peltier effect (see definitions). A thermoelectric module consists of an array of p- and n …