Description
Refrigerated storage containers, or “reefers,” are temperature-controlled, insulated steel containers used to transport and store perishable goods. They maintain precise temperatures from deep freeze to mild chill, ensuring the integrity of food, pharmaceuticals, and other sensitive cargo throughout the cold chain.
What is a Reefer?
A reefer is a self-contained mobile refrigeration unit. It has a powerful cooling (and often heating) system built into one end. Unlike a standard container, it is fully insulated and designed to hold a set temperature for extended periods.
Key Parts:
-
Refrigeration Unit: The motor and control system.
-
Insulated Box: Thick foam walls and ceiling.
-
T-Floor: A ribbed floor for cold air circulation under cargo.
-
Control Panel: Digital interface for setting temperature.
Think of it as a heavy-duty, portable walk-in freezer or refrigerator.
Key Specifications
| Feature | Typical Specs |
|---|---|
| Standard Sizes | 20ft and 40ft (Standard & High Cube). |
| Temperature Range | -30°C to +30°C (-22°F to 86°F). |
| Power Source | 440V/60Hz/3-phase electric. Generator options exist. |
| Internal Airflow | Bottom air delivery, top air return. |
Top Uses & Industries
Reefers are vital for several sectors.
-
Food & Agriculture: Transporting frozen meat, seafood, fresh produce, and dairy.
-
Pharmaceuticals & Healthcare: Shipping vaccines, insulin, and lab samples.
-
Floral Industry: Preserving cut flowers and plants.
-
Catering & Events: Mobile cold storage for large functions.
Benefits of Reefers
-
Precise Temperature Control: Actively maintains your exact required temperature.
-
Global Compatibility: The standard unit for international cold chain shipping.
-
Versatility: One unit can serve multiple needs over its lifespan.
-
Security & Protection: Cargo is locked in a robust, sealed steel box.
Buying Used vs. New
Consider a Used Reefer if:
-
Budget is a primary concern.
-
It’s for static storage at a fixed site.
-
You can arrange a thorough mechanical inspection.
Consider a New Reefer if:
-
Maximum reliability and a full warranty are critical.
-
You are shipping high-value or critical cargo.
-
You want the latest energy-efficient technology.
Critical Checks Before You Buy (Used)
Inspecting a used reefer requires focus on performance.
-
Performance Test: Most importantly, get a report proving it can hold a set temperature for 24+ hours.
-
Compressor Hours: Ask for the reading (like a car’s odometer).
-
Condition of T-Floor: Ensure air channels are not blocked.
-
Door Seals: Check that rubber gaskets are intact and seal tightly.
Important Considerations
-
Power Requirements: You must have access to a 3-phase electrical supply.
-
Energy Costs: Running a reefer uses significant electricity.
-
Maintenance: Requires regular servicing (e.g., coil cleaning).
-
Static vs. Shipping Use: For storage only, you may not need a costly “cargo-worthy” certified unit.
Reefer vs. Insulated Container
| Need | Reefer Container | Insulated Container |
|---|---|---|
| Actively cool or freeze cargo | YES – Has a motor. | NO – Only slows temperature change. |
| Protect from brief temp changes | Overkill. | YES – Cost-effective buffer. |
| Long-term frozen storage | YES – The only choice. | NO – Will not maintain low temps. |
Final Decision Guide
A reefer is right for you if:
-
You are shipping or storing perishable goods.
-
You need to guarantee a specific temperature.
-
You have the infrastructure (power, space, budget).
You may not need a reefer if:
-
Your goods only need protection from ambient heat.
-
Your budget cannot cover the purchase, power, and maintenance costs.


Reviews
There are no reviews yet.