This type thermoelectric cooler Peltier heat is absorbed through contact with the aluminum cold plate and removed thru a heat sink to ambient air. The thermoelectric cooler series TA-DA traditionally use our own modules to ensures high performance and durability of thermoelectric assemblies. The Direct to Air Assembles have Low noise , Compact design small weight and precise temperature control. Environmentally friendly solid state heat exchange operation with no CFC refrigerants.