Refrigeration is important for the storage of food and also for preparing certain specialty desserts. Some foods such as ice cream and desserts taste better when they are chilled.
To store and keep food fresh and drinks cold.
I use one
The History of the Refrigerator and Freezershttp://inventors.about.com/library/inventors/blrefrigerator.htm
A refrigerator because it uses cooler air. The reason an oven isn't, is because the generator in a pven has gases & can not be used for oxygen. A refrigerator can because it uses air to keep food cool...
To keep thing cool / cold.
top and bottom door
If it uses 60 watts at 115volts then it only uses 0.51amps.
refrigerators
or dryer
A RV absorption refrigerator uses a thermistor as a thermostat. The thermistor is moved up or down to regulate the refrigerator temperature.
Actually , He invented a refrigerator using an alternate method from the one we are used to. It only uses a small heat source to provider refrigeration.
a heat pump that uses work to move heat
Probably about 450 watts. Since the primary use of power in a refrigerator is for a motor the watts it uses are less than the amps that pass through it. <<>> Assuming that the refrigerator uses 120 volts for a supply voltage, then W = A x V. 4.5 x 120 = 540 watts