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Case Study: Dehumidification Solution for Garment Finished Goods Warehouse in Long An with 76 DeAir.RE-60CL Units

21/07/2026

💡 Executive Summary

  • Client: A large-scale export garment manufacturing company in Long An.
  • The Challenge: A vast finished goods warehouse where high humidity caused fabric mold and metal accessory rust, while floor-standing dehumidifiers wasted valuable forklift and pallet space.
  • The Solution: Synchronous installation of 76 DeAir.RE-60CL ceiling-mounted dehumidifiers.
  • The Results: Stable humidity at 45-55% RH, 100% floor space optimization, 40% lower electricity costs compared to the old solution, and a defect rate due to moisture reduced to <0.5%.

1. The "Difficult Problem" at the Long An Garment Warehouse

1.1. Context: A Challenging Climate and Massive Scale

Long An features a characteristic hot and humid climate, especially in areas near rivers and canals. The factory's finished goods warehouse spans thousands of square meters, storing massive volumes of fabric and boxed apparel that are highly sensitive to humidity.

1.2. The Factory's Previous Pain Points

⚠️ SERIOUS OPERATIONAL ISSUES

  • Mold and Rust: Finished fabrics developed mold, and metal zippers/buttons oxidized before export, leading to high return rates.
  • Wasted Floor Space: Industrial floor-standing dehumidifiers occupied aisles, obstructing forklifts and hindering FIFO (First-In, First-Out) loading/unloading operations.
  • Uneven Humidity Distribution: Floor units only treated localized areas, leaving "dead zones" in the warehouse corners where mold continued to thrive.
  • "Sky-High" Electricity Costs: Operating multiple large-capacity machines with low efficiency caused electricity bills to skyrocket.

2. The "Tailor-Made" Large-Scale Solution: 76 DeAir.RE-60CL Units

After a thorough on-site survey, DeAir did not propose a patchwork fix. Instead, we designed a synchronized system featuring 76 DeAir.RE-60CL ceiling-mounted dehumidifiers. Why this specific solution?

🔧 4 SUPERIOR ADVANTAGES OF THE DEAIR.RE-60CL

  1. Ceiling-Mounted Design: The ultimate solution for factories, completely freeing up floor space for logistics and forklift movement.
  2. Heat-Pump Technology: Saves 40% on electricity. This is a critical factor when operating 76 units simultaneously, 24/7.
  3. Even Air Distribution: Can be connected to a ducting system to blow dry air into every nook and cranny of the warehouse, eliminating "dead zones".
  4. Quiet Operation: Low noise level (<57 dBA), ensuring no disruption to the working environment, even if the warehouse is near office areas.

Our engineering team used Computational Fluid Dynamics (CFD) airflow simulation software to map out the layout of all 76 units, ensuring an optimal circulating airflow that covers the entire warehouse volume.

3. The "Lightning-Fast" and Professional Implementation Process

A 76-unit project requires seamless coordination between the manufacturing plant and the installation crew. DeAir committed to and achieved the deadline thanks to a standardized, rigorous process:

DeAir technicians manufacturing DeAir.RE-60CL ceiling-mounted dehumidifiers
Image 1: DeAir technicians manufacturing the DeAir.RE-60CL ceiling-mounted dehumidifier series at the factory.
DeAir technicians working overtime to meet the deadline
Image 2: The DeAir technical team working day and night to ensure on-time delivery for this large-scale project.
Completed machines undergoing quality inspection
Image 3: Completed units undergoing rigorous quality inspection according to ISO 9001:2015 standards.
Machines carefully packaged before shipment
Image 4: Machines are meticulously packaged to ensure absolute safety during transportation to Long An.
Machines installed and undergoing commissioning
Image 5: Machines successfully installed on the ceiling and currently undergoing commissioning.
  • Survey and Calculation: Measured warehouse volume and calculated the moisture load generated by the goods and door-opening frequency.
  • Synchronous Installation: Reinforced the ceiling suspension system to ensure structural safety. Notably, DeAir designed a centralized condensate drainage system, completely eliminating the need for staff to manually drain 76 individual machines.
  • Commissioning and Calibration: Verified humidity levels at 20 different points across the warehouse, balanced the airflow, and trained the factory's maintenance team.

4. Achieved Results: A Clear Transformation

4.1. Technical Performance

  • Humidity: Stably maintained at 45-55% RH across the entire warehouse area, regardless of external weather conditions.
  • Air Distribution: No more damp "dead zones"; dry air is distributed evenly from top to bottom.

4.2. Operational Benefits

  • 100% Increased Floor Space Efficiency: The entire floor is now fully dedicated to forklifts and pallet storage.
  • Automated Drainage: Completely relieved warehouse staff from manual water draining, allowing them to focus on core tasks.

4.3. Economic Impact

  • Reduced Defect Rate: The rate of export goods returned due to mold dropped to nearly 0%.
  • Energy Savings: The electricity cost to operate the 76-unit system is 40% lower than initial projections, thanks to Heat-Pump technology.

5. Infographic: Traditional Floor-Standing vs. DeAir.RE-60CL Ceiling-Mounted

📊 TRADITIONAL VS. DEAIR CUSTOM SOLUTION COMPARISON

Criteria Traditional Floor-Standing Solution DeAir.RE-60CL Ceiling-Mounted Solution
Floor Space Occupies aisles, obstructs forklifts 100% Floor Space Optimization
Air Distribution Localized, prone to damp "dead zones" Even distribution, ducting covers the entire warehouse
Electricity Costs High, low efficiency 40% lower thanks to Heat-Pump technology
Aesthetics & Safety Messy wiring, collision risks Neat, absolutely safe for warehouse operations

6. Frequently Asked Questions (FAQ)

Q1: Will installing 76 ceiling-mounted units overload the factory's ceiling structure?

No. Before construction, DeAir's engineering team surveys the load-bearing capacity of the factory ceiling. We use specialized suspension rods and bracing systems to ensure safe weight distribution, strictly adhering to current construction standards.

Q2: How do you handle condensate drainage for 76 machines simultaneously?

This is a key strength of DeAir's design. We implement a centralized condensate drainage system. Water from all 76 units is routed into a main pipeline and discharged automatically outside, completely eliminating the need for manual draining, saving labor, and ensuring hygiene.

Q3: Is the DeAir.RE-60CL powerful enough for a garment warehouse with high ceilings?

Yes. The DeAir.RE-60CL features an airflow of up to 1,500 CMH and is specifically designed for high-ceiling environments. When combined with a ducting system, the dry air is effectively pushed down to the floor level, ensuring humidity control throughout the entire warehouse volume, not just the upper air space.

Q4: Is maintaining and cleaning 76 machines complex and costly?

DeAir provides a professional scheduled maintenance package. The process is standardized: cleaning the evaporator coils, checking refrigerant levels, tightening suspension bolts, and inspecting the drainage system. With our nationwide technical coverage and readily available spare parts, maintaining 76 units is executed swiftly without disrupting warehouse operations.

Q5: Does DeAir support centralized monitoring (BMS) for a system of this scale?

Yes. For large-scale projects, DeAir offers optional BMS/PLC integration. This allows the factory's management team to monitor the operational status, humidity levels, and receive fault alerts for all 76 machines from a single central screen, making operations management smart and proactive.


Garment Warehouse Dehumidification Solutions - Save Space, Ensure Quality

Don't let mold and wasted space erode your garment factory's profits. DeAir is ready to partner with you, providing tailor-made DeAir.RE-CL ceiling-mounted dehumidifier solutions that optimize space and meet quality standards.

Is your enterprise looking for an optimal humidity control solution?

📞 Contact Ms. Hong: 0933 628 660

🌐 Discover more about the DeAir.RE-60CL at: deair.com.vn/heat-pump-ceiling-mounted-dehumidifier-deair-re-60cl

📖 Explore more solutions for the garment industry: deair.com.vn/dehumidifiers-for-the-garment-industry

✓ Free site survey & layout design ✓ Detailed, transparent quotation ✓ 24-month warranty ✓ 24/7 technical support