In a deep freezer or chest freezer, the more common concern would be running out of air rather than freezing. These freezers are typically designed to maintain a consistently low temperature for long-term storage of frozen items. The freezing process occurs as a result of the low temperature being maintained within the freezer.
Running out of air is a potential concern because these freezers are sealed units, and the air inside can become limited over time. When you open the freezer, you introduce fresh air, and if the freezer remains open for an extended period, it can lead to an imbalance of air and potentially affect the freezer's efficiency in maintaining the low temperature.
To mitigate the risk of running out of air, it is advisable to minimize the frequency and duration of opening the freezer unnecessarily. This helps maintain the air balance and ensures the freezer can continue functioning optimally. Additionally, keeping the freezer well-organized and avoiding overpacking it can facilitate proper air circulation.
It's worth noting that if a deep freezer or chest freezer is functioning properly, it should not typically run out of air or have an issue with freezing as long as it's used within its intended purpose and recommended capacity.