Whether or not you should unplug your garage refrigerator in the winter depends on a few factors. Let's consider the following points:
Usage: If you regularly use the refrigerator in your garage during the winter, it's better to keep it plugged in to maintain a consistently cool temperature. This is especially true if you store perishable items or beverages that you access throughout the winter.
Temperature: Consider the typical winter temperatures in your area. If the temperatures in your garage drop below freezing, it can negatively affect the refrigerator's performance. Refrigerators are designed to operate within a specific temperature range, typically between 35°F to 110°F (1.6°C to 43.3°C). Extremely low temperatures can cause the fridge to work harder to maintain its cooling, leading to potential issues.
Contents: Take into account what's inside the refrigerator. If you have liquids or items that could freeze and expand, causing breakage or damage, it's best to keep the refrigerator running or remove those items during the winter.
Energy Efficiency: If you don't need the refrigerator in the garage during the winter months and it is mostly empty, consider unplugging it to save on energy costs. However, if you do unplug it, remember to clean it out, leave the doors slightly ajar to prevent mold growth, and thoroughly dry the interior.
In summary, if you use the garage refrigerator regularly during winter or store temperature-sensitive items inside, it's best to keep it plugged in. But if it remains largely unused and temperatures drop significantly in your area, you might consider unplugging it to save energy. Be mindful of the contents and potential freezing issues if you do choose to unplug it.