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Normally a domestic freezer is best set to â18 Â°C (0 Â°F) or colder, as that's what the expiration dates for many food items are based on. It's also a requirement for freezers in restaurants, supermarkets & other places that sell food (at least here in Europe) to maintain a temperature of at most -18 Â°C.
Relevance. Rating Newest Oldest. Best Answer: That depends on what kind of Freezer The normal household freezers can freeze to -20 degrees and it should be safe for 3 months. However there are commercial freezers available which can go down to -70 degrees.This can prolong the life of meat for 6 months or longer.est Answer: That depends on what kind of Freezer The normal household freezers can freeze to -20 degrees and it should be safe for 3 months.