> There is no magic in how they work. They use a lot of power, just like a
> regular refrigerator, only they are exposed to a lot more heat. Check the
> box for the wattage or the amps and I think you will see what I mean.

Actually a regular refrigerator is MUCH more efficient!  A compressor driven refrigerator moves more heat than what you put in (as electrical energy).  The thermoelectric coolers move LESS heat than the energy you put in.

Bill