How to Design a Steel Structure Cold Storage Warehouse: Insulated Panels, Refrigeration, Vapor Barriers, and What B2B Buyers Should Specify

BUYER GUIDE · COLD CHAIN CONSTRUCTION

If you are planning a cold storage warehouse, you already know the stakes: a design error can mean spoiled product, failed audits, or energy bills that wipe out your margin. But what exactly should you specify when you send an inquiry to a steel structure supplier? This guide walks through the five areas that matter most—insulated panels, refrigeration, vapor barriers, loading docks, and the structural steel itself—and gives you a checklist to use when talking to fabricators.

Why Steel Structure Cold Storage Warehouses Are the Industry Standard

Steel structure cold storage warehouses have become the default choice for cold chain facilities—and for good reason. Compared to concrete or masonry construction, a steel frame offers faster erection, longer clear spans, and easier future expansion. A typical steel structure can be erected in weeks, not months, which matters when you are paying for refrigeration equipment that sits idle until the building is enclosed.

Steel also handles the heavy loads associated with cold storage: insulated panels, refrigeration units, and suspended ceilings for air distribution. Clear spans of 30 to 50 meters are common, giving you flexible racking layouts without interior columns. This is a major advantage for cold storage warehouse buildings, where every cubic meter of usable space counts.

However, steel is a thermal conductor. Without proper detailing, it can create thermal bridges that lead to condensation, ice formation, and energy loss. This is why the design of a cold storage warehouse building is not just about the steel frame—it is about the complete envelope, from the foundation to the roof ridge.

Insulated Panels: The Heart of the Cold Envelope

Insulated panels are the primary barrier between your product and the outside world. In a steel structure cold storage warehouse, these panels are typically sandwich panels with a metal skin (usually steel or aluminum) and a rigid foam core. The two most common core materials are polyurethane (PUR/PIR) and expanded polystyrene (EPS).

Panel Core: PIR vs. EPS

For freezer applications (below -20°C), PIR (polyisocyanurate) is the preferred choice. PIR has a lower thermal conductivity (typically 0.022–0.028 W/mK) than EPS (0.030–0.038 W/mK), meaning you can achieve the same insulation value with a thinner panel. PIR also has better fire performance and dimensional stability at low temperatures. EPS is cheaper and adequate for cool rooms (0°C to 10°C), but it absorbs more moisture over time, which degrades its insulation value.

For freezer warehouse steel structure projects, specify PIR panels with a minimum thickness of 150 mm for walls and 200 mm for roofs, depending on your climate zone. In tropical or high-humidity regions, you may need even more. Ask your supplier for a U-value calculation based on your site's ambient temperature.

Panel Thickness and U-Value

The U-value (thermal transmittance) is the metric that matters. A lower U-value means better insulation. For a freezer, you want a U-value of 0.2 W/m²K or lower. For a cool room, 0.3–0.4 W/m²K is typical. Do not rely on panel thickness alone—ask for the U-value, and verify it with the panel manufacturer's data sheet.

Panel Joints and Sealing

The performance of insulated panels depends heavily on the joints. Cam-lock or tongue-and-groove joints with a gasket are standard. But the installation quality matters just as much. A poorly sealed joint can create a thermal bridge and lead to ice buildup. Specify that all panel joints must be sealed with a compatible sealant, and that the installation crew follows the panel manufacturer's guidelines.

For freezer applications, consider using double-sided steel panels with a thickness of at least 0.5 mm for the exterior and 0.4 mm for the interior. The interior skin should be food-grade if the warehouse stores food products—this is a common requirement in cold chain warehouses.

Refrigeration Systems: Matching the Load

Refrigeration is the second critical system. The design of a refrigerated warehouse building must include a refrigeration system that can handle the peak load, not just the average. The peak load occurs when you bring in warm product, open doors frequently, or during defrost cycles.

Types of Refrigeration Systems

There are three main types used in cold storage:

• Centralized systems: A central compressor room with pipes running to evaporators throughout the building. This is the most common for large cold storage warehouse buildings.
• Distributed systems: Multiple smaller units placed near the areas they serve. This reduces piping but can be more complex to maintain.
• Packaged units: Self-contained units that are simpler but less efficient for large spaces.

For a freezer warehouse steel structure, a centralized system with ammonia (NH3) or CO2 as the refrigerant is common. Ammonia is efficient but requires safety measures due to its toxicity. CO2 is becoming more popular because it is environmentally friendly and works well in low-temperature applications. Freon (HFC) is being phased out in many regions due to regulations—check your local laws.

Load Calculation

The refrigeration load is calculated based on:

• Product load (the heat removed from the product itself)
• Transmission load (heat entering through walls, roof, and floor)
• Infiltration load (heat entering through doors and openings)
• Internal load (heat from lights, people, forklifts)
• Defrost load

This is not a number you can guess. A professional refrigeration engineer should perform a load calculation using software like CoolPack or similar. When you request a quote from a supplier, ask for the load calculation report. If they cannot provide one, that is a red flag.

Evaporators and Air Distribution

Evaporator units should be sized to maintain the required temperature and humidity. For freezers, you often need air circulation to keep temperature uniform. Ceiling-mounted evaporators with air ducts are common. The placement of evaporators must avoid dead zones where air does not circulate, which can lead to temperature stratification.

Specify that the refrigeration system must include a backup or redundancy plan. For critical cold chain operations, a standby compressor or generator can prevent product loss during maintenance or power outages.

Vapor Barriers: The Invisible Line Against Moisture

Moisture is the enemy of cold storage. When warm, humid air meets a cold surface, it condenses and freezes. This leads to ice formation, panel damage, and structural corrosion. A vapor barrier is a layer of material that prevents water vapor from diffusing into the insulation.

In a steel structure cold storage warehouse, the vapor barrier is typically placed on the warm side of the insulation. This is critical: if you place it on the cold side, moisture will condense inside the insulation and destroy its performance.

Where to Install Vapor Barriers

• Walls: A polyethylene sheet or a foil-faced panel acts as the vapor barrier. It must be continuous and sealed at all seams.
• Floor: The floor is often overlooked. A concrete slab with a vapor barrier underneath (below the insulation) prevents ground moisture from rising into the cold space. This is especially important for freezers.
• Roof: The roof is exposed to rain and snow. A vapor barrier on the warm side of the roof insulation is essential.

For freezer projects, consider a double vapor barrier: one on the warm side of the insulation and another as a redundant layer. This is a common practice in high-humidity climates.

Testing and Verification

After installation, the vapor barrier should be inspected for punctures or gaps. A simple test is to use a moisture meter on the insulation after a few weeks of operation. If moisture levels are rising, you have a vapor barrier failure.

Loading Docks: Where Cold Air Escapes

Loading docks are the weakest point in any cold storage warehouse building. Every time a door opens, warm air rushes in and cold air escapes. This increases energy consumption and can cause temperature fluctuations that affect product quality.

Design Elements for Loading Docks

• Dock levelers: Adjustable platforms that bridge the gap between the warehouse floor and the truck bed. They must be rated for the weight of your forklifts.
• Dock seals and shelters: These compress against the truck to create a seal, minimizing air exchange. Choose the right type based on your truck sizes and frequency of loading.
• Vestibules or airlocks: A small enclosed space between the dock door and the cold storage area. This provides a buffer zone that reduces temperature shock and condensation.
• High-speed doors: These open and close quickly (1.5 to 2.5 meters per second) to minimize the time the opening is exposed.

Dock Design Considerations

The number of docks depends on your throughput. A rule of thumb is one dock per 500–1000 square meters of storage area, but this varies. Consider the type of vehicles you use: a 40-foot container requires a different dock height than a small delivery van.

For freezer warehouses, the dock area should be kept at a higher temperature (e.g., -5°C) than the main storage area (-20°C). This is called a "tempered dock" and it reduces the thermal shock on both the product and the building structure.

Structural Steel: Designing for Cold

The steel structure itself must be designed with cold storage in mind. The frame supports not only the building loads but also the weight of insulated panels, refrigeration units, and any suspended equipment.

Load Considerations

• Dead loads: The weight of the steel, panels, and roofing.
• Live loads: Snow, wind, and seismic loads as per local codes.
• Equipment loads: Refrigeration units, ductwork, and lighting.
• Thermal movement: Steel expands and contracts with temperature changes. In a cold storage environment, the interior is constantly cold, while the exterior varies. This differential can cause stress on the frame if not accommodated with expansion joints.

Thermal Bridging

Steel is a poor insulator. Any steel member that penetrates the insulation layer (e.g., purlins, girts, or tie rods) will act as a thermal bridge. To minimize this, use:

• Thermal breaks: Plastic or rubber spacers between the steel frame and the insulated panels.
• Isolated fasteners: Screws and bolts that do not conduct heat directly.
• Continuous insulation: Ensure the insulation layer is continuous, without gaps at structural connections.

Ask your structural engineer to perform a thermal bridge analysis. This is especially important for freezer warehouse steel structure projects, where even small bridges can cause significant energy loss and condensation.

Foundation and Floor

The floor of a cold storage warehouse is a critical component. It must support the weight of the product and forklifts, and it must be insulated to prevent heat from the ground. A typical freezer floor consists of:

• Concrete slab (150–200 mm thick)
• Insulation layer (e.g., extruded polystyrene, 100–200 mm)
• Vapor barrier
• Sub-base (compacted gravel or sand)

The insulation must be strong enough to withstand the load. Extruded polystyrene (XPS) with a compressive strength of at least 300 kPa is common. For heavy loads, you may need a thicker slab or a reinforced design.

Cold Storage Temperature Zones

Not all cold storage is the same. The temperature you need to maintain determines the insulation, refrigeration, and building design. Understanding the temperature zones helps you specify the right system.

Each zone has different insulation and refrigeration requirements. A facility that handles multiple temperature zones needs separate rooms with independent temperature control. This affects the layout, the number of doors, and the refrigeration system design.

Multi-Temperature Facilities

Many cold storage warehouses handle products at different temperatures. For example, a distribution center might have a chill room for fresh produce, a freezer for frozen goods, and a dry storage area. Each zone needs its own insulated enclosure, vapor barrier, and refrigeration. The layout must allow efficient movement between zones without excessive temperature loss.

When planning a multi-temperature facility, consider the flow of goods. Products should move from receiving to storage to dispatch with minimal handling and temperature exposure. The design of the building should support this flow, with separate doors and corridors where needed.

Site Selection and Layout Planning

The location and layout of your cold storage warehouse have a major impact on its performance and operating cost. Here are the key considerations:

Site Selection

Choose a site with good access to highways, ports, or rail for efficient distribution. Consider the local climate—a hot, humid climate increases the refrigeration load and insulation requirements. Also consider the availability of reliable power, as cold storage is highly dependent on electricity. A backup generator is essential for critical operations.

The site should have good drainage to keep water away from the building and the foundation. Avoid low-lying areas prone to flooding. The soil should be suitable for the foundation, and the site should be large enough for future expansion.

Layout Planning

The internal layout should be designed for efficient material flow. Key considerations include:

• Receiving and dispatch areas: Separate these to avoid cross-traffic and temperature loss.
• Racking layout: Maximize storage density while allowing access for forklifts.
• Aisle width: Wide enough for forklift turning, but not so wide that you waste space.
• Office and break areas: Keep these outside the cold envelope to reduce refrigeration load.
• Compressor room: Locate it for easy access and maintenance, with proper ventilation.

A well-planned layout reduces operating costs and improves efficiency. Work with a cold storage design specialist to optimize the layout for your specific operation.

Fire Safety in Cold Storage

Fire safety is a critical concern in cold storage facilities. The insulated panels, refrigeration systems, and stored goods all present fire risks. Here are the key considerations:

Fire-Rated Panels

Insulated panels are available with different fire ratings. For cold storage, panels with a fire-resistant core (such as mineral wool) or a fire-rated facing are recommended, especially in areas where fire risk is high. The fire rating is expressed as a class (e.g., Class B or A2) or a fire resistance time (e.g., EI 60).

Specify the fire rating based on your local building code and the value of the stored goods. A higher fire rating costs more but provides better protection.

Fire Suppression

Cold storage facilities should have a fire suppression system. This can be a sprinkler system, a gas suppression system, or a combination. The system must be designed for the cold environment—standard sprinklers may freeze in a freezer. Use dry-pipe or pre-action sprinkler systems, or gas suppression, in cold areas.

Fire detection is also important. Smoke and heat detectors must be rated for cold temperatures. Regular testing and maintenance are essential to ensure the system works when needed.

Emergency Egress

Cold storage facilities must have adequate emergency exits. The exits must be clearly marked and accessible, even in a cold, dark environment. Consider emergency lighting and panic hardware on doors. The layout should allow workers to exit quickly in an emergency.

Energy Efficiency Strategies

Energy is the largest operating cost of a cold storage warehouse. Reducing energy consumption directly improves your bottom line. Here are the key strategies:

Optimize the Building Envelope

The most effective way to reduce energy use is to minimize heat gain through the building envelope. This means using high-performance insulated panels, eliminating thermal bridges, and ensuring the vapor barrier is continuous. A well-insulated building requires less refrigeration to maintain the temperature.

Use Efficient Refrigeration Equipment

Choose refrigeration equipment with high energy efficiency. Variable-speed compressors, efficient evaporators, and modern controls can significantly reduce energy use. Consider using heat recovery to capture waste heat from the refrigeration system for space heating or hot water.

Minimize Air Infiltration

Air infiltration through doors and openings is a major source of energy loss. Use high-speed doors, dock seals, and vestibules to minimize air exchange. Install air curtains at frequently used doors. Train staff to keep doors closed when not in use.

Optimize Lighting

Use energy-efficient LED lighting in the cold storage areas. Lighting generates heat, which increases the refrigeration load, so minimizing lighting energy also reduces cooling costs. Use motion sensors to turn off lights when areas are unoccupied.

Monitor and Control

Install a building management system (BMS) to monitor temperature, humidity, and energy use. The BMS can optimize the refrigeration system, detect problems early, and provide data for continuous improvement. Regular energy audits can identify further savings.

Cold Storage for Different Products

The design of a cold storage warehouse depends on the products it stores. Different products have different temperature, humidity, and handling requirements.

Fresh Produce

Fresh fruits and vegetables require precise temperature and humidity control. Some produce is sensitive to ethylene gas, which accelerates ripening. The warehouse may need separate rooms for ethylene-producing and ethylene-sensitive products. Humidity control is critical to prevent wilting or decay.

Meat and Seafood

Meat and seafood require strict temperature control and hygiene. The warehouse must be easy to clean, with food-grade surfaces and proper drainage. Temperature monitoring is essential to ensure food safety. Some products require rapid freezing to preserve quality.

Dairy Products

Dairy products require consistent temperatures to maintain quality and safety. The warehouse must prevent temperature fluctuations that can cause spoilage. Humidity control is also important to prevent condensation on packaging.

Pharmaceuticals

Pharmaceuticals require very precise temperature control, often with strict regulatory requirements. The warehouse may need redundant refrigeration, continuous temperature monitoring, and alarm systems. Some products require cold chain validation and documentation.

Frozen Food

Frozen food requires storage at -18°C or below to maintain quality. The warehouse must prevent temperature fluctuations that can cause freezer burn or quality degradation. Rapid freezing and proper packaging are important for maintaining product quality.

Maintenance and Operation

A cold storage warehouse requires regular maintenance to operate reliably and efficiently. Here are the key maintenance tasks:

Refrigeration System Maintenance

The refrigeration system should be inspected and serviced regularly. This includes checking refrigerant levels, cleaning coils, inspecting compressors, and testing controls. Regular maintenance prevents breakdowns and extends equipment life.

Panel and Seal Inspection

Inspect the insulated panels and seals regularly for damage or wear. Replace damaged panels and reseal joints as needed. Check the vapor barrier for punctures or gaps. Regular inspection prevents energy loss and condensation problems.

Door and Dock Maintenance

Inspect and maintain the doors, dock levelers, and seals. Worn seals allow air infiltration, increasing energy use. Lubricate moving parts and replace worn components. High-speed doors should be tested regularly to ensure they operate correctly.

Temperature Monitoring

Continuously monitor the temperature in all cold storage areas. Use a data logging system to track temperature over time. Investigate any temperature excursions immediately. Regular monitoring ensures product quality and regulatory compliance.

Cold Storage Regulations and Compliance

Cold storage facilities are subject to a range of regulations covering food safety, building codes, fire safety, and environmental protection. Understanding these requirements is essential for a successful project.

Food Safety Regulations

If your cold storage warehouse handles food products, you must comply with food safety regulations. These may include HACCP (Hazard Analysis and Critical Control Points) requirements, which mandate temperature monitoring and documentation. The warehouse must be designed to maintain the required temperatures and to be easy to clean and sanitize.

Food safety regulations vary by country and by the type of product. For example, meat and dairy products have stricter requirements than dry goods. Work with a food safety consultant to ensure your facility meets the requirements for your products and market.

Building Codes and Permits

Your cold storage warehouse must comply with local building codes. These cover structural design, fire safety, insulation, and energy efficiency. You will need building permits before construction. The design must be reviewed and approved by the local building authority.

Building codes vary by location. Some regions have specific requirements for cold storage, such as minimum insulation levels or fire-rated panels. Ensure your supplier and engineer are familiar with the local codes.

Environmental Regulations

Cold storage facilities use refrigerants that may be regulated for their environmental impact. Many regions are phasing out high-global-warming-potential refrigerants (such as HFCs) in favor of more environmentally friendly options like CO2 and ammonia. You must comply with these regulations and choose refrigerants that are permitted in your region.

You may also need to comply with energy efficiency regulations, which set minimum standards for building insulation and equipment. These regulations are becoming more common as governments focus on reducing energy consumption and carbon emissions.

Documentation and Audits

Cold storage facilities, especially those handling food or pharmaceuticals, may be subject to audits. These audits verify that the facility meets the required standards for temperature control, hygiene, and documentation. You must maintain records of temperature monitoring, maintenance, and cleaning to pass these audits.

Design your facility with audit requirements in mind. Ensure that temperature monitoring systems provide reliable data, that the facility is easy to clean, and that all systems are documented. A well-documented facility is easier to audit and more likely to pass.

What B2B Buyers Should Specify in Their RFQ

When you send an inquiry to a steel structure supplier, you need to be specific. Here is a checklist of items to include in your request for quotation (RFQ):

1. Building Dimensions and Layout

• Overall length, width, and eave height.
• Clear span requirements (distance between columns).
• Number and size of loading docks and doors.
• Office or processing areas (if any) and their insulation requirements.

2. Insulated Panel Specification

• Core material (PIR, EPS, etc.) and thickness.
• Skin material and thickness (e.g., 0.5 mm steel).
• U-value requirement (e.g., 0.2 W/m²K for walls).
• Fire rating (e.g., Class B or A2).
• Color and finish (e.g., PVDF coating for exterior).

3. Refrigeration System

• Required storage temperature (e.g., -20°C).
• Product type and daily throughput.
• Refrigerant preference (ammonia, CO2, etc.).
• Backup power or redundancy requirements.
• Load calculation report to be provided by the supplier.

4. Vapor Barrier and Moisture Control

• Vapor barrier location (warm side).
• Material and thickness (e.g., 0.2 mm polyethylene).
• Sealing requirements for all seams.
• Floor insulation and vapor barrier specification.

5. Loading Dock Equipment

• Number of docks and truck types.
• Dock leveler capacity (e.g., 6 tons).
• Dock seal or shelter type.
• High-speed door specifications (opening speed, size).

6. Structural Steel

• Design codes (e.g., AISC, Eurocode, or local).
• Snow, wind, and seismic loads for your site.
• Thermal break requirements.
• Steel grade (e.g., S355).
• Corrosion protection (e.g., hot-dip galvanizing).

7. Compliance and Certification

• Local building codes and permits.
• Food safety regulations (e.g., HACCP).
• Fire safety standards.
• Environmental regulations (refrigerant types).

If you are unsure about any of these, ask the supplier to provide recommendations based on your application. A reputable supplier will be happy to guide you.

Common Mistakes to Avoid

Even experienced buyers make mistakes. Here are the most common ones we see in cold storage projects:

1. Underestimating the Refrigeration Load

Many buyers focus on the building cost and ignore the energy cost. An undersized refrigeration system will run constantly, driving up electricity bills and shortening equipment life. Always invest in a proper load calculation.

2. Skipping the Vapor Barrier

Some suppliers may suggest skipping the vapor barrier to save cost. This is a false economy. Moisture will eventually destroy the insulation, leading to high energy costs and potential structural damage.

3. Ignoring Thermal Bridges

Steel purlins and girts that penetrate the insulation can reduce the effective R-value by 30% or more. Make sure your design includes thermal breaks.

4. Not Planning for Expansion

Cold storage needs often grow. If you build a steel structure that cannot be extended, you will face costly retrofits later. Design with future expansion in mind.

5. Choosing the Wrong Panel Thickness

A 100 mm panel might be fine for a cool room, but not for a freezer. Always match the panel thickness to the operating temperature and your local climate.

Cost Considerations

The cost of a steel structure cold storage warehouse varies widely depending on size, location, and specification. As a rough guide, the building structure (steel frame and cladding) might account for 30–40% of the total project cost, with refrigeration and insulation making up the rest. However, these numbers are indicative—always get a detailed quote from multiple suppliers.

When comparing quotes, do not just look at the total price. Compare the specifications: panel thickness, steel grade, refrigeration brand, and warranty terms. A slightly higher upfront cost can save you thousands in energy bills over the life of the building.

Working with a Supplier: What to Ask

When you contact a steel structure supplier, ask these questions:

• Have you built cold storage warehouses before? Can you provide references?
• Will you provide a detailed load calculation and thermal bridge analysis?
• What is the warranty on the insulated panels and the steel structure?
• Do you offer turnkey solutions, including refrigeration installation?
• What is your typical lead time for design, fabrication, and erection?
• Can you handle the local permits and code compliance?

A supplier that has experience with cold chain warehouse projects will be able to answer these confidently. If they hesitate, that is a warning sign.

Conclusion

Designing a steel structure cold storage warehouse is a complex task that requires careful planning. The key is to focus on the envelope (insulated panels and vapor barriers), the refrigeration system, and the structural details that prevent thermal bridging. By specifying these clearly in your RFQ, you will get accurate quotes and a building that performs as expected.

Remember, the cheapest quote is not always the best. Look for a supplier who understands cold storage and can provide engineering support. If you are ready to start your project, prepare a detailed specification and reach out to multiple suppliers for comparison.

If you have questions about your specific project, we invite you to contact us. Our team can provide guidance on steel structure cold storage warehouse design and help you find the right solution for your needs.

FAQ

Frequently Asked Questions

What is the optimal insulated panel thickness for a freezer warehouse?

For a freezer operating at -20°C, we recommend at least 150 mm for walls and 200 mm for roofs, depending on your climate. In hot or humid regions, thicker panels may be needed. Always ask for a U-value calculation.

Can I use EPS panels for a cold storage warehouse?

EPS is suitable for cool rooms (0°C to 10°C) but not recommended for freezers. EPS has higher thermal conductivity and moisture absorption, which can lead to performance degradation over time. PIR is the better choice for freezer applications.

Do I need a vapor barrier in a cold storage warehouse?

Yes, absolutely. A vapor barrier on the warm side of the insulation prevents moisture from condensing inside the insulation, which would reduce its effectiveness and cause structural damage.

How many loading docks do I need?

This depends on your daily throughput and the size of your facility. A common rule is one dock per 500–1000 square meters of storage, but you should also consider the types of trucks you use and peak activity times.

What is the lifespan of a steel structure cold storage warehouse?

With proper maintenance, a steel structure can last 50 years or more. The insulated panels may need replacement after 20–30 years, depending on the core material and operating conditions.

What refrigerant should I use for a freezer warehouse?

Ammonia (NH3) is efficient and common for large facilities but requires safety measures. CO2 is becoming more popular as an environmentally friendly option. Freon (HFC) is being phased out in many regions. Your choice depends on your size, local regulations, and safety requirements.

Do I need a backup generator for a cold storage warehouse?

For critical cold chain operations, yes. A power outage can cause product loss and temperature excursions. A backup generator or standby compressor can prevent this. The size of the backup depends on your operation and the value of the stored goods.

Can I expand my cold storage warehouse later?

Yes, if you design for expansion. Steel structures are easy to extend. Plan the foundation and layout so that a future extension can be added without major disruption. Discuss your expansion plans with your supplier before construction.

How do I control humidity in a cold storage warehouse?

Humidity control depends on the product. Some products need high humidity, others need low. The refrigeration system and vapor barrier play a role. For precise control, you may need humidifiers or dehumidifiers. Specify your humidity requirements to the supplier.

What is a tempered dock and why do I need one?

A tempered dock is a loading area kept at a moderate temperature (e.g., -5°C) between the outside and the main cold storage area. It reduces thermal shock on the product and building, and minimizes condensation. It is especially useful for freezer warehouses.

For more information or to discuss your project requirements, please contact our sales team. We are here to help you build a cold chain warehouse that meets your operational and budget needs.