Mobile Food Cold Storage Container
-25°C to +10°C Range
XNAIR XN-MFC series delivers turnkey mobile refrigeration for food-grade cold chain logistics. Purpose-built for catering operations, agricultural post-harvest holding, fisheries cold storage, and retail overflow — each unit is factory-assembled and shipped ready-to-plug-in.
- 100mm PU Insulation
- 10ft / 20ft / 40ft
- CE Certified
- Multi-Voltage
Technical Specifications
The table below presents the core engineering parameters global buyers evaluate when sourcing mobile food cold storage. All figures reflect factory-measured values under ISO 23953-2 test conditions. Internal usable volume accounts for the 100mm insulation layer reduction — a transparency commitment XNAIR makes to every procurement manager.
| Parameter | XN-MFC-10 | XN-MFC-20 | XN-MFC-40 |
|---|---|---|---|
| External Dimensions (L×W×H) | 2991×2438×2591 mm | 6058×2438×2591 mm | 12192×2438×2591 mm |
| Internal Usable Volume | ≈13.5 m³ / 477 ft³ | ≈28.5 m³ / 1006 ft³ | ≈58 m³ / 2048 ft³ |
| Temperature Range | -25°C to +10°C (-13°F to +50°F), digital PID controller ±0.5°C accuracy | ||
| Insulation Panel | 100mm PU (polyurethane) foam, density 40±2 kg/m³, λ≤0.022 W/m·K; 150mm optional for tropical zones | ||
| Refrigeration Unit | Copeland scroll, 1.5 HP | Copeland scroll, 3 HP | Copeland scroll, 5 HP |
| Refrigerant | R404A (standard) / R449A low-GWP option (GWP=1397 for EU/北美 compliance) | ||
| Power Supply | 380V/3Ph/50Hz (standard); 220V/1Ph/60Hz; 460V/3Ph/60Hz — multi-voltage configurable | ||
| Interior Wall Panel | 0.6mm food-grade SUS304 stainless steel (standard); 0.6mm color-coated galvanized steel (economic) | ||
| Exterior Wall Panel | 0.8mm embossed aluminum-zinc coated steel, anti-corrosion C4 rating | ||
| Floor | 3mm checkered aluminum plate with T-bar drainage channels, load capacity 800 kg/m² | ||
| Door | Heavy-duty hinge door 800×1900mm with heated door frame (anti-frost), internal safety release | ||
| Ambient Operating Range | -10°C to +52°C (tested at +55°C with derated performance for Middle East/Africa markets) | ||
| Defrost Mode | Automatic electric defrost with condensate drain heater, cycle interval programmable | ||
| Net Weight (approx.) | ~1,800 kg | ~3,200 kg | ~5,800 kg |
Application Scenarios Across Global Food Supply Chains
XNAIR mobile food cold storage units serve four primary high-volume procurement sectors worldwide. Each application environment imposes distinct thermal loads, duty cycles, and regulatory requirements — all addressed in the XN-MFC design from the ground up.
Catering & Event Food Distribution
Large-scale catering operations — from wedding banquets to stadium concessions — require temporary but uncompromising cold storage that can be placed directly adjacent to service tents. The XN-MFC's self-contained design eliminates the need for permanent cold room construction. Units arrive pre-cooled and maintain setpoint even under direct solar radiation, thanks to the 100mm PU envelope and high-ambient-rated condenser fans. Typical procurement: 2-4 units per event season by catering logistics companies across the GCC region.
Agriculture & Post-Harvest Field Holding
Fresh produce begins degrading within hours of harvest if field heat is not rapidly removed. XNAIR mobile cold storage placed directly at farm collection points enables growers to pre-cool leafy greens, berries, and stone fruits to 2-4°C within 90 minutes of picking. This immediate cold chain entry preserves shelf life, reduces weight loss from respiration, and meets the strict cold chain compliance requirements of EU supermarket importers. Key procurement driver: reduction of post-harvest loss from 25-30% to under 5%.
Fisheries & Seafood Cold Chain
Seafood exporters face some of the most stringent cold chain integrity requirements — particularly for HACCP and EU IUU regulation compliance. XNAIR units configured with stainless steel interior panels and T-bar drainage floors withstand daily washdowns with chlorinated water. The rapid pull-down capability (ambient to -18°C in under 45 minutes for the 20ft model) ensures catch quality is locked in at the dock, not degraded during transport to distant freezing facilities.
Engineering & Construction Details
The structural integrity and thermal performance of a mobile cold storage unit depend entirely on its panel construction and assembly method. Below is a breakdown of the XN-MFC's core engineering DNA — every layer serves a specific thermal, structural, or hygienic function.
- Cam-Lock Panel Assembly: Each wall and roof panel is joined via industrial cam-lock fasteners spaced every 400mm, creating a continuous thermal break. No through-metal fasteners eliminate cold bridging — a critical factor in maintaining energy efficiency in humid tropical environments.
- PU Foam Core: Cyclopentane-blown rigid polyurethane foam with 40±2 kg/m³ density achieves λ≤0.022 W/m·K thermal conductivity. The 100mm thickness provides an R-value of approximately 28 (ft²·°F·hr/BTU), while the optional 150mm panel raises this to R-42 for extreme ambient conditions above 48°C.
- Floor Load Design: The 3mm checkered aluminum floor plate is supported by a 12mm phenolic-resin-bonded plywood subfloor over a 0.6mm galvanized steel base sheet. This sandwich structure distributes 800 kg/m² evenly — sufficient for pallet jack operation with loaded Euro pallets weighing up to 1,000 kg each.
- Door Safety & Seal: The 800×1900mm door features a heated door frame (low-wattage 24V DC) to prevent ice lock in frozen storage mode. An internal glow-in-the-dark safety release handle ensures personnel can always exit. Triple EPDM gaskets maintain a vapor seal rated to 0.05 g/m²·24hr moisture ingress at 90% RH differential.
- Condensate Management: Evaporator condensate drains through a heated P-trap to an external collection pan, where it is re-evaporated using waste heat from the condenser coil. In high-humidity Southeast Asian conditions, an auxiliary drain heater prevents blockage during defrost cycles.
- Corner Casting & Lifting: All XN-MFC units are built with ISO 1161-compliant corner castings at all eight corners, enabling safe top-lift via spreader bar, forklift pockets (all four sides on 20ft and 40ft models), and twist-lock stacking during ocean freight.
Global Adaptability: Engineered for Every Climate Zone
A single refrigeration design cannot serve all markets equally. XNAIR configures each XN-MFC unit to the destination's ambient extremes, regulatory framework, and logistical realities — before it leaves the factory floor.
Middle East & Africa — High Ambient Heat
For Gulf Cooperation Council (GCC) and sub-Saharan African markets where summer ambient temperatures routinely exceed 48°C, XNAIR fits oversized condensers with +15% heat rejection capacity, UV-stabilized exterior panel coatings, and 150mm PU insulation as standard. The refrigeration unit is pre-charged with R404A and the condenser fan motor is upgraded to Class H insulation for sustained operation at 55°C ambient without thermal cutout.
Europe & North America — Low-GWP Compliance
For EU F-Gas Regulation (EU 517/2014) and North American AIM Act compliance, XNAIR offers the XN-MFC with R449A refrigerant (GWP=1397) as a drop-in replacement for R404A (GWP=3922). Units destined for the EU carry CE marking with full technical file documentation, while North American units are available with UL-listed electrical panels and cETLus certification pathways. All electrical components meet IEC 60335-2-89 for commercial refrigeration safety.
Southeast Asia & South America — High Humidity & Rough Terrain
In monsoon-affected regions (Philippines, Indonesia, Brazil, Colombia) where relative humidity stays above 85% year-round, XNAIR applies C4-M corrosion-rated exterior panels (ISO 12944), stainless steel door hinges and latch hardware, and an enhanced defrost logic that initiates based on both time and evaporator differential pressure to prevent ice bridging. For units transported on unpaved rural roads, the base frame is reinforced with 4mm channel steel cross-members at 600mm centers.
Sea Freight Packaging & Shipping Reinforcement
Containerized Ocean Transport Protection
Every XNAIR mobile cold storage unit is prepared for the rigors of 30-45 day ocean voyages. Prior to crating, the interior compartment is dried to below 15% RH and sealed with desiccant packs totaling 2 kg per 20ft unit to prevent mold during transit. The entire exterior is wrapped in a multi-layer vapor-proof membrane, then secured with steel edge protectors at all eight corners. Fumigated ISPM-15 compliant timber cradles support the base frame, distributing the load evenly across the container floor. For roll-on/roll-off (RoRo) shipments, additional lashing rings are welded to the base frame at 8 tie-down points rated to 5,000 kg each.
Frequently Asked Questions
Standard 20ft XN-MFC units ship within 25-35 working days after deposit confirmation. Custom-sized or specially configured units (e.g., dual-temperature zones, explosion-proof electricals, or non-standard voltage) typically require 40-55 working days depending on component availability and current production queue. Rush orders can be accommodated at a 15% surcharge with a guaranteed 18-working-day turnaround for standard 20ft units — subject to factory slot availability.
Yes. All XN-MFC units can be configured with dual power compatibility — mains electricity plus a diesel generator hookup via a manual transfer switch. The standard control panel includes phase-sequence protection and under/over-voltage cutoff to protect the compressor when running on generator power. For fully off-grid applications, XNAIR offers a solar-compatible DC inverter compressor option (12V/24V/48V DC) paired with deep-cycle battery banks sized to your daily cooling load. A typical 20ft unit at 2°C setpoint in 35°C ambient requires approximately 18-22 kWh/day, which can be served by a 6 kWp solar array with 30 kWh battery storage.
Every XN-MFC unit ships with a 12-month consumable spare parts kit at no additional cost, including: 2× compressor contactor, 2× evaporator fan motor capacitor, 1× door gasket set, 1× controller backup battery, 2× filter-drier cores, 1× sight glass with moisture indicator, and 1× set of condenser fan belts. Compressor warranty is 24 months from the bill of lading date. XNAIR provides 24/7 remote technical support via WhatsApp and email, with video-call diagnostics available. We maintain authorized service partnerships in 30+ countries across Africa, Southeast Asia, the Middle East, and South America for local on-site service within 48 hours.
Each unit is packed with reinforced steel corner casting protection, a multi-layer vapor-proof membrane wrap, 2 kg of desiccant packs distributed inside the compartment, and fumigated ISPM-15 compliant timber cradles for containerized shipping. We follow ISO 1161 corner casting standards for safe stacking and lashing during ocean transport. All exterior surfaces receive a coat of anti-corrosion wax spray prior to wrapping. For RoRo shipments, 8 welded lashing rings (SWL 5,000 kg each) are provided on the base frame. To date, XNAIR has shipped over 600 units internationally with zero freight-damage claims.
Quality Assurance & Industrial Certifications
Factory Testing Protocol — Every Unit, No Exceptions
Before any XN-MFC mobile cold storage unit is released for export packaging, it must pass a 48-hour continuous run test under full thermal load simulation. The test protocol includes: (1) ambient-temperature pull-down to -25°C within 60 minutes; (2) 24-hour temperature stability hold at -18°C with ±0.8°C maximum deviation across 16 wireless sensor points; (3) automatic defrost cycle verification with full recovery to setpoint within 12 minutes; (4) door-open recovery test simulating 3-minute loading access with return to setpoint within 8 minutes; (5) full electrical safety insulation resistance test at 500V DC (minimum 2 MΩ). All test data is logged digitally and provided to the buyer upon request.
Applicable International Standards: ISO 23953-2 (refrigerated display cabinets — temperature classification), ISO 1496-2 (thermal containers), IEC 60335-2-89 (safety of commercial refrigeration appliances), ATP Agreement (UN transport of perishable foodstuffs — for EU-bound units).
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