Peltier Modules or Thermoelectric Coolers (TECs) are using the Peltier effect to create a heat flux between the junction of two different types of materials. A Peltier cooler, heater, or thermoelectric heat pump is a solid-state active heat pump which transfers heat from one side of the device to the other side against the temperature gradient (from cold to hot), with consumption of electrical energy.
TECs are quite compact,
they are usually offered in sizes between 5x5mm2 to 40x40mm2 and for various operating temperature ranges. INHECO uses specific types of TECs to enable the typical temperature range of INHECO products from -10°C to +110°C, special TECs are available to further increase the temperature range.
TECs are run with DC voltage, by changing the current one easily can control the heat transfer through the module. When the polarity of the DC is switched, the TEC can immediately change form the cooling to the heating mode. Therefore TECs are an excellent solution for high-end applications were exact control of temperature and heating and cooling rates are needed.
The effectiveness of the Peltier Module at moving the heat away from the cold side is strongly dependent upon the amount of current provided and how well the heat from the hot side can be removed. Therefore superior Peltier solutions often utilize high end heat sink solutions with high aspect ratio fin structures, Heat Pipes and/or Vapor Chambers.