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20ft Containerized Mobile Cold Room — Plug-and-Play Refrigerated Storage for Agriculture, Pharma & Remote Cold Chain

A fully self-contained, factory-pre-commissioned 20-foot mobile cold room engineered by XNAIR (Shanghai XiangNing Electromechanical Equipment Co., LTD). Delivers reliable -25°C to +10°C temperature control with 75mm high-density PU insulation, Copeland scroll compressor, and dual-voltage adaptability. Zero on-site refrigerant work required — simply position, connect power, and operate within 2-4 hours.

✓ CE Certified ✓ ISO 9001 Factory ✓ 100% Load-Tested ✓ Dual-Voltage Ready
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XNAIR 20ft containerized mobile cold room unit — white 20-foot ISO standard container with integrated monoblock refrigeration system, ready for agricultural pre-cooling and pharmaceutical cold chain deployment

▎At a Glance

XNAIR's 20ft containerized mobile cold room integrates a high-performance monoblock refrigeration system inside a standard ISO 20-foot container footprint. With 75mm PU sandwich panel insulation, it achieves a net internal volume of ~27–28 m³ and maintains temperatures from -25°C to +10°C. The unit arrives pre-charged with low-GWP R449A refrigerant, requires only a power connection (380V/50Hz standard; 220V/60Hz customizable), and is fully operational within hours. Trusted across agricultural pre-cooling, pharmaceutical cold chain, meat/seafood processing, and remote-site food distribution.

Technical Specifications

Answer-First: The table below represents the standard configuration for XNAIR's 20ft containerized mobile cold room. All values are based on 75mm PU insulation with a Copeland scroll compressor and R449A refrigerant. Custom configurations — including deep-freeze (-35°C), 100mm insulation, and dual-voltage systems — are available on request.

Parameter Specification Remarks / Options
External Dimensions (L×W×H) 6058mm × 2438mm × 2591mm Standard ISO 20ft footprint; CSC-certified container chassis
Internal Clear Dimensions ~5758mm × 2138mm × 2341mm After 75mm insulation deduction on all 6 sides
Net Usable Volume Approximately 27–28 m³ Varies slightly with door type & evaporator placement
Insulation Material & Thickness 75mm high-density PU sandwich panel (42 kg/m³ core density) 100mm optional for T-Class tropical climates; PIR fire-rated panel available
Temperature Range -25°C to +10°C (adjustable via digital controller) Deep-freeze variant: -35°C to -15°C (with reinforced insulation & compressor)
Refrigeration Unit Type Monoblock, ceiling/wall-mounted, pre-charged Split-unit configuration optional for noise-sensitive sites
Compressor Copeland scroll (standard) Bitzer semi-hermetic optional for heavy-duty cycles
Refrigerant R449A (low-GWP, ASHRAE A1) R404A or R448A available; natural refrigerant R290 on special request
Power Supply (Standard) 380V / 50Hz / 3-phase 220V/60Hz, 440V/60Hz, or dual-voltage configurations available
Controller Carel or Dixell digital PID controller with defrost logic Remote monitoring (IoT/4G module) optional
Door Type Hinged swing door (standard, with heated gasket to prevent icing) Sliding door or double-door available; personnel door + cargo door combo
Floor Anti-slip aluminum T-bar floor with integrated drainage Stainless steel 304 floor for pharma/food-grade requirements
Ambient Operating Range -15°C to +45°C (standard); up to +55°C with T-Class condenser Extended ambient kit includes oversized condenser & enhanced fan
Approximate Tare Weight ~3,800 – 4,200 kg (varies by configuration) Includes container chassis, insulation, refrigeration unit & electrical panel

Global Adaptability: Engineered for All Climate Zones

Answer-First: XNAIR containerized mobile cold rooms are configured at the factory to match the specific environmental and regulatory demands of the destination region. Three primary climate/regulatory adaptation packages are available, each addressing the most common on-site challenges reported by international cold chain operators.

🌍 Africa & Middle East — High Ambient Temperature (T-Class) Configuration

For regions where ambient temperatures routinely exceed 45°C — such as sub-Saharan Africa, the Arabian Peninsula, and inland Australia — the standard condenser is upgraded to a T-Class (tropical climate) rated unit with an oversized coil and high-CFM fan. This ensures the cold room can hold an internal temperature of -18°C or lower even when external temperatures reach 55°C. We also recommend upgrading insulation to 100mm PU panels for these markets, which reduces heat ingress by approximately 18% compared to the standard 75mm build. All electrical components are rated for 55°C+ ambient service.

🇪🇺 Europe & North America — Regulatory Compliance & Low-GWP Refrigerants

Units destined for the EU and North American markets are configured with R449A (GWP 1397) as the default refrigerant, compliant with EU F-Gas Regulation (EU 517/2014) phase-down schedules. For California and certain Nordic countries, R448A (GWP 1273) or natural refrigerant options are available. All electrical systems are configured to match local voltage/frequency standards (400V/50Hz for EU; 208-230V/60Hz or 460V/60Hz for North America). CE marking is standard for EU-bound units; UL/ETL certification can be arranged for the North American market through our partner testing laboratories. The container chassis meets CSC (International Convention for Safe Containers) safety approval.

🌏 Southeast Asia & South America — High Humidity, Corrosion Resistance & Rugged Transport

For tropical coastal and rainforest regions with persistent high humidity (regularly above 85% RH), XNAIR applies an enhanced anti-corrosion package: the container exterior receives a marine-grade epoxy zinc-rich primer before the standard topcoat; evaporator coil fins are coated with a hydrophilic anti-corrosion layer (golden epoxy or blue silica gel coating); all exposed metal fasteners are upgraded to 304 stainless steel. For regions with unpaved or rugged access roads (common in inland agricultural zones of Brazil, Indonesia, and the Philippines), the internal refrigeration unit mounting is reinforced with anti-vibration bracketry and the container floor is cross-braced to withstand sustained transport stress. Door hinges and locking bars are heavy-duty galvanized steel.

Engineering & Construction Details

Answer-First: Every XNAIR 20ft containerized cold room is built around a standard ISO 1496-2 thermal container framework, with all interior surfaces lined in food-grade materials. The structural integrity of the insulated envelope is the foundation of long-term thermal performance.

  • PU Sandwich Panel Composition: High-density (42±2 kg/m³) rigid polyurethane foam, CFC-free blown, sandwiched between 0.5mm embossed aluminum inner skin and 0.6mm galvanized steel outer skin. This composition achieves a U-value of ≤0.22 W/m²·K with 75mm thickness, confirmed per ASTM C518 testing.
  • Thermal Bridge Mitigation: All panel joints incorporate an eccentric cam-lock mechanism with integrated EPDM gasket seals. Corner junctions are reinforced with PVC thermal-break profiles to eliminate cold spots and prevent internal condensation.
  • Floor Construction: The insulated floor layer is protected by a 2mm anti-slip aluminum T-bar surface, under which runs a 50mm integrated drainage channel leading to a heated drain port — preventing ice blockage in sub-zero operation.
  • Refrigeration System Integration: The monoblock unit is through-wall mounted with vibration-damping neoprene gaskets. The condenser section protrudes externally within the container's front profile, protected by a louvered steel guard. Internal evaporator fans are EC (electronically commutated) type for energy efficiency.
  • Electrical Control Panel: Housed in an IP65-rated enclosure, the panel includes phase-sequence protection, overload relay, compressor crankcase heater control, and a 7-day programmable defrost timer. An emergency stop button is positioned adjacent to the personnel door.
  • Internal Lighting: LED strip lighting (IP65, 4000K neutral white) is recessed into the ceiling panel, providing 200 lux at floor level without occupying storage volume.

Visual Evidence: Application, Engineering, Logistics & Quality Control

XNAIR 20ft mobile cold room deployed on a citrus farm in southern Spain for immediate post-harvest pre-cooling — unit operating under direct sunlight at 38°C ambient, maintaining +2°C internal for fresh produce preservation
Fig.1 — Agricultural pre-cooling deployment: 20ft unit at a citrus orchard, maintaining +2°C field-side for immediate post-harvest cold chain initiation.
Cutaway engineering diagram of XNAIR 20ft cold room wall section showing 75mm PU foam core between embossed aluminum inner skin and galvanized steel outer skin, with cam-lock joint detail
Fig.2 — Wall panel cutaway: 75mm PU insulation core, aluminum inner skin, galvanized steel outer skin, and eccentric cam-lock joint with EPDM gasket.
XNAIR 20ft containerized cold room secured on a flat-rack for ocean freight shipment from Shanghai port — twist-lock corner castings engaged, refrigeration unit protected with steel guard frame, anti-tilt strapping visible
Fig.3 — Export logistics: Unit secured on flat-rack at Shanghai port, twist-locks engaged, refrigeration unit guard frame fitted for ocean transit.
XNAIR factory quality control — 20ft cold room undergoing 24-hour full-load pull-down test at 35°C ambient chamber, digital temperature logger recording internal air and product-simulant probe data
Fig.4 — Factory QC: 24-hour full-load pull-down test in 35°C ambient chamber with multi-point temperature logging before shipment clearance.

Frequently Asked Questions from International Buyers

Q: How long does it take to install and commission a 20ft containerized mobile cold room on site?

Answer-First: Once positioned on level ground and connected to the appropriate power supply, the unit is fully operational within 2 to 4 hours. No on-site refrigerant charging, pipe brazing, or complex assembly is required. The monoblock refrigeration system arrives pre-charged with refrigerant and factory-tested. Commissioning involves a simple functional check — verifying the digital controller setpoint, confirming door seal integrity, and running a brief pull-down cycle to validate performance. A detailed commissioning checklist is provided with each unit, and remote video support is available from XNAIR engineers during the process.

Q: What is the actual internal usable storage volume after accounting for insulation thickness?

Answer-First: With standard 75mm PU sandwich panel insulation applied to all six internal surfaces (walls, floor, and ceiling), the clear internal dimensions reduce to approximately 5758mm × 2138mm × 2341mm, yielding a net usable volume of roughly 27 to 28 cubic meters. This represents a volumetric efficiency of about 75% relative to the external container envelope — a necessary trade-off for achieving the thermal performance required. Buyers upgrading to 100mm insulation for tropical climates should expect an additional ~50mm reduction in internal width, bringing net volume to approximately 25–26 m³. We transparently document this trade-off in all quotations.

Q: Can the mobile cold room operate reliably in extreme heat, such as in the Middle East or sub-Saharan Africa?

Answer-First: Yes — with the appropriate factory configuration. For high-ambient-temperature regions, XNAIR specifies a T-Class (tropical climate) condensing unit capable of sustaining internal setpoints down to -18°C even with external temperatures reaching 55°C. This involves an oversized condenser coil, increased fan airflow (typically +25% CFM vs. standard), and in most cases, a 100mm insulation upgrade to reduce heat ingress. These adaptations are not afterthoughts — they are standard practice for units destined for Middle Eastern, North African, and Sahel-region markets. We have successfully deployed units in Saudi Arabia, UAE, Nigeria, and Kenya with sustained performance.

Q: What after-sales support and spare parts availability does XNAIR provide for international buyers?

Answer-First: All XNAIR containerized cold rooms ship with a 12-month comprehensive warranty covering the refrigeration unit, electrical control panel, and structural integrity of the insulated container. A recommended spare parts kit — including contactor relays, temperature sensors, door gasket sets, filter driers, and a spare controller — is offered at the time of order to ensure rapid self-servicing. Major components (Copeland compressor, Carel/Dixell controller, fan motors) are globally sourced brands with established distributor networks, enabling local procurement in most countries. Remote technical support via video call is available during business hours (UTC+8), and for critical issues, we maintain relationships with third-party refrigeration service partners in key markets including Dubai, Lagos, and São Paulo.

Quality Assurance & Industrial Certifications

🏭 Factory Commitment & Compliance

Every XNAIR 20ft containerized mobile cold room undergoes a mandatory 24-hour full-load pull-down test in our Shanghai factory before shipment clearance. The test is conducted in a temperature-controlled bay at 35°C ambient, with the unit loaded with thermal mass simulants and monitored via 8-point calibrated temperature loggers. Only units that achieve and maintain the specified setpoint within the designated pull-down time receive a signed-off test certificate — which is included in the shipping documentation. This is not a spot-check; it is a 100% test policy.

📜

ISO 9001:2015

Quality management system certified by TÜV SÜD for design, manufacturing, and after-sales service of refrigerated container systems.

🇪🇺

CE Marking

Compliant with EU Machinery Directive 2006/42/EC, Low Voltage Directive 2014/35/EU, and EMC Directive 2014/30/EU. Declaration of Conformity supplied with each EU-bound unit.

🚢

CSC Safety Approval

Container chassis meets the International Convention for Safe Containers (CSC 1972) standards, with valid safety approval plate affixed to each unit for global shipping compliance.

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