: Some 40ft containers feature dual-zone cooling for simultaneous chilling and freezing. 2. Condition: New vs. Used

: These have only carried one load of cargo and offer the longest lifespan and highest reliability.

: More budget-friendly but should be inspected for "Cargo Worthy" (CW) status or a valid CSC plate to ensure they are still structurally sound and airtight for international shipping.

: Older units that have been overhauled, often including updated refrigeration machinery like Carrier or Thermo King systems. 3. Key Purchase Considerations Charleston, SC - Reefer Container Pros

Standard reefer containers typically come in two primary sizes, with specialized variations for deeper freezing or extra height:

: Offers approximately 27 m³ of storage space and is the most popular choice for smaller sites.

: Standard 40ft units are almost always "High Cube," meaning they are 9'6" tall—one foot taller than standard 20ft units.