Both the refrigerator and the freezer have fans to keep it at cold temperatures. PV=RT; A compressor raises the pressure of the gas volume V and temperature rises. A fan blows away the heat into the...
Temperature should be above 32 degrees Fahrenheit, the colder the better. 40 degrees is a good setting. At 40, things will be very cold, inhibiting bacterial growth, but in no danger of freezing,...