Comment on the feasibility of cooling your kitchen in the summer by opening the door to the electrically powered refrigerator.
What will be an ideal response?
If the refrigerator is inside the kitchen, then the electrical energy entering the refrigerator (from outside the kitchen) must inevitably appear in the kitchen. The only mechanism is by heat transfer (from the condenser of the refrigerator, usually located behind the unit or in its walls). This raises, rather than lowers, the temperature of the kitchen. The only way to make the refrigerator double as an air conditioner is to place the condenser of the refrigerator outside the kitchen (outdoors). If, for example, one mounted the refrigerator in an exterior doorway and left the refrigerator door open, one would have the (bulky, expensive, and relatively inefficient) equivalent of a window air conditioner.
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