Editing Refrigerator (section)

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{{Self-contradictory|about=which compartment controls temperature|date=May 2024}}
Many modern refrigerator/freezers have the freezer on top and the refrigerator on the bottom. Most refrigerator-freezers—except for manual defrost models or cheaper units—use what appears to be two thermostats. Only the refrigerator compartment is properly temperature controlled. When the refrigerator gets too warm, the thermostat starts the cooling process and a fan circulates the air around the freezer. During this time, the refrigerator also gets colder. The freezer control knob only controls the amount of air that flows into the refrigerator via a damper system.<ref>[https://web.archive.org/web/20060705170456/http://www.geappliances.com/search/fast/infobase/10000661.htm Refrigerator – Adjusting Temperature Controls]. geappliances.com</ref> Changing the refrigerator temperature will inadvertently change the freezer temperature in the opposite direction.{{citation needed|date=November 2021}} Changing the freezer temperature will have no effect on the refrigerator temperature. The freezer control may also be adjusted to compensate for any refrigerator adjustment.{{Citation needed|date=August 2021}}

This means the refrigerator may become too warm. However, because only enough air is diverted to the refrigerator compartment, the freezer usually re-acquires the set temperature quickly, unless the door is opened. When a door is opened, either in the refrigerator or the freezer, the fan in some units stops immediately to prevent excessive frost build up on the freezer's evaporator coil, because this coil is cooling two areas. When the freezer reaches temperature, the unit cycles off, no matter what the refrigerator temperature is. Modern computerized refrigerators do not use the damper system. The computer manages fan speed for both compartments, although air is still blown from the freezer.{{Citation needed|date=August 2021}}