The guys from GiBTEK serve us up with another interesting article today. This time they tell us the in's and out's of how a peltier works.
"Watercooled systems have one great drawback, however efficient your system is, it can only get as cold as the temperature of the air passing through your radiator. Some people put radiators out of windows or in fridges, but this is never a satisfactory solution. Therefore if you want to go below ambient and to try for subzero temperatures then you have to opt for two solutions. The first one is evaporative cooling such as that employed by a freezer unit. This is harnessed by companies such as vapochill, but is expensive. You can build the systems yourself, but you have to start playing around with very dangerous chemicals, with little room for error. The second solution and the one I am opting for, is to go for a Peltier or Thermal Electrical Component (TEC)."More information at GiBTEK.