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Six steps to check actual fridge and freezer temperatures

U.S. DOE suggests about 36–40°F (2–4°C) for refrigerators and −5–0°F (about −21 to −18°C) for freezers; a separate thermometer can verify the actual conditions.

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U.S. Department of Energy

DOE guidance for refrigerator and freezer temperature settings

Link to federal appliance-temperature and thermometer guidance

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These are U.S. guidance ranges, not a substitute for your appliance, food-label, or local safety instructions. The displayed setting may differ from the internal air temperature.

Your try-it-at-home checklist

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Review your fridge and freezer setpoints and the manufacturer's manual.
Place suitable refrigerator/freezer thermometers inside each compartment to read actual conditions.
Use approximately 36–40°F (2–4°C) as a fridge-check reference while honoring specific food storage instructions.
Use approximately −5–0°F (−21 to −18°C) as a freezer-check reference and keep food consistently frozen.
If readings differ, make small manual-approved adjustments and remeasure after temperatures stabilize.
Avoid prolonged door opening and inspect gaskets or unusual frost; seek service if the actual temperatures remain outside safe targets.

DOE guidance for refrigerator and freezer temperature settings

Your try-it-at-home checklist

Further reading

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