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- A refrigerator keeps food cold by using a refrigeration cycle to transfer heat from the inside of the refrigerator to the outside. This cycle involves a refrigerant gas that is compressed, condensed, and then evaporated to absorb heat from the inside of the refrigerator, keeping the interior cool.
- The heat absorbed by the refrigerant is then released outside of the refrigerator, helping to maintain a consistent cold temperature inside the appliance. Also, most refrigerators also have insulation to help keep the cold air inside and prevent warm air from entering.
