Power outages raise concerns about what temp should frozen food be kept at to remain safe. Frozen food should stay at 0°F or below to maintain safety. During outages, keeping the freezer door closed helps preserve the temperature. Knowing what temp should frozen food be kept at allows you to assess whether food is still safe once power returns. If food remains frozen or contains ice c... https://wholefoodsbox.co.uk/blogs/news/what-temp-should-frozen-food-be-kept-at-for-maximum-freshness