Typically, domestic freezers are designed to operate at temperatures much lower than 20 degrees Fahrenheit (-6.7 degrees Celsius) to ensure proper food preservation and longer storage times. Most standard freezers have a temperature range of around -10 to 0 degrees Fahrenheit (-23 to -18 degrees Celsius). It's essential for food safety to keep perishable items at these lower temperatures to prevent bacterial growth and spoilage.
If you specifically need a freezer that can maintain temperatures around 20 degrees Fahrenheit, you might need to explore commercial-grade or specialty freezers. Laboratory or medical-grade freezers, for example, are designed to operate at a wider range of temperatures, including higher temperatures like 20 degrees Fahrenheit or slightly above.
Here are a few options to consider:
Laboratory Supply Stores: Some stores that specialize in laboratory equipment and supplies might offer freezers designed for a broader temperature range.
Commercial Appliance Suppliers: Look for suppliers that cater to restaurants, bars, and other commercial businesses. They might have specialized freezers with adjustable temperature settings.
Medical Equipment Suppliers: Companies that provide medical equipment might have freezers designed for specific temperature requirements in medical settings.
Custom Solutions: If you have unique temperature requirements, some companies may offer custom-built freezers that can meet your specifications. However, these may be more expensive and harder to find.
Keep in mind that freezers capable of maintaining higher temperatures may have limitations in terms of food safety and storage times for certain perishable items. Always follow proper food safety guidelines and consult with the manufacturer or a professional if you have specific requirements or concerns about the temperature range for your freezer.