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[Case Study] DeAir & Vinfast: A Specialized Humidity Control Solution for the Automotive Test Center

13/10/2025

Introduction: Protecting Vinfast's "Brain Center" from Coastal Humidity

The VinFast automotive manufacturing complex in Hai Phong is not only a symbol of Vietnam's automotive industry but also a high-tech center with some of the most stringent technical requirements. Within it, the critical "brain center" – the Vehicle Test Center – houses assets worth billions, from prototype vehicles to ultra-precise measurement equipment.

However, located on the coast, the high air humidity in Hai Phong is the number one enemy, threatening to cause corrosion, rust, and damage to these valuable assets. To solve this problem, DeAir, with its "Made in Vietnam" manufacturing and customization capabilities, was honored to be chosen by Vinfast to implement a specialized humidity control solution for this vital area.

1. The Challenge from Vinfast: Protecting Billion-Dollar Assets from Coastal Humidity

High humidity poses specific and severe risks at the Vehicle Test Center, directly impacting the accuracy of the R&D process and the value of assets.

Corrosion Risk for Test Vehicles

Airborne moisture, combined with the characteristic salt content of the coastal region, is a powerful corrosive agent for metals. It directly attacks critical vehicle components such as the chassis, suspension system, welds, and especially the complex electronic systems and circuit boards inside the car. This not only skews the results of durability and safety tests but can also cause irreparable damage to valuable prototype vehicles.

Risk of Damage to Measurement Equipment

Sensors, industrial computers, and data analysis devices are ultra-precise and extremely sensitive to humidity. According to experts from the Society of Automotive Engineers (SAE), moisture can cause short circuits, oxidation of connection pins, and measurement inaccuracies (sensor drift), thereby compromising the reliability of the entire testing and product development process.

Strict Technical Requirements

To prevent these risks, the requirement was to maintain a stable environment with humidity strictly controlled below the safe threshold of 60%RH. This demanded a humidity control solution that was not only effective and powerful but also energy-efficient and durable for long-term operation.

2. The "Tailor-Made" DeAir.RE-V Solution: Heat-Pump Technology for Optimal Performance

In response to this challenge, DeAir proposed and implemented the Heat-Pump Industrial Dehumidifier series, DeAir.RE-V. This was not an off-the-shelf product but a testament to DeAir's R&D capabilities and flexibility.

Customized for Vinfast ("V")

The "V" in the model name DeAir.RE-V stands for Vinfast, affirming that this series was researched, designed, and technically customized by DeAir's engineers to precisely meet the specific requirements of the project regarding capacity, airflow, and operating conditions at the Vinfast vehicle test center.

The Power of Heat-Pump Technology

The Heat-Pump dehumidifier technology is DeAir's core strength and was particularly suitable for this problem. It effectively removes moisture without conflicting with existing air conditioning systems. More importantly, by reusing heat energy, this technology provides outstanding energy savings compared to traditional solutions, delivering significant long-term economic benefits.

Durable Design for Harsh Environments

All DeAir industrial dehumidifiers, including the RE-V series, are built with a robust thick steel frame, high-quality components from leading brands, and anti-corrosion treated coils, ensuring stable 24/7 operation in industrial environments and harsh coastal climates.

3. From Factory to Handover: The Journey of the DeAir.RE-V

The entire process, from manufacturing and transportation to installation, was carried out by DeAir with professionalism and adherence to the highest technical standards, under the close supervision of both parties.

The DeAir.RE-700V Heat-Pump Dehumidifier during production at the DeAir factory.
The DeAir.RE-700V during the final assembly phase at the DeAir factory.
The completed DeAir.RE-700V and DeAir.RE-205V Heat-Pump dehumidifiers
The completed DeAir.RE-700V and DeAir.RE-205V units, ready for quality inspection.
Transporting the DeAir.RE-700V industrial dehumidifier to the Vinfast automotive complex in Hai Phong
The batch of DeAir.RE-700V dehumidifiers carefully wrapped and loaded for transport to the Vinfast factory.

4. Results & Affirmation of "Made in Vietnam" Capability

The DeAir.RE-V dehumidification system was successfully delivered, installed, and commissioned. It now operates stably, successfully meeting the humidity control requirements and ensuring the absolute safety of the high-tech assets at the Vinfast Vehicle Test Center. This project is not just a commercial contract; it is a vivid demonstration of DeAir's ability to conquer complex technical challenges from Vietnam's leading corporations. It affirms our role not just as a manufacturer, but as a strategic partner, ready to support Vietnamese enterprises on their journey to elevate technology and quality.

Video: DeAir technicians handing over the Heat-Pump dehumidifier to the Vinfast automotive factory.

Frequently Asked Questions (FAQ)

1. Why not use an air conditioner to dehumidify the vehicle test center?

Air conditioners are primarily designed for cooling (handling sensible heat); their dehumidification capability is a secondary and inefficient effect for controlling humidity to a specific level. Using an AC for dehumidification would be extremely energy-intensive. A dedicated dehumidifier is optimized for moisture removal (handling latent load), providing higher efficiency and greater cost savings.

2. What is the advantage of Heat-Pump technology in this case?

Heat-Pump technology allows the dehumidifier to operate with very high energy efficiency. Instead of wasting the heat generated during the cooling process, it reuses this heat to slightly warm the dry outlet air. This significantly reduces electricity consumption compared to technologies that only use a compressor or combine it with an electric heater, delivering long-term economic benefits for Vinfast.

3. Can DeAir customize equipment for other large-scale projects?

Absolutely. The ability to "tailor-make" solutions according to the specific requirements of each project is one of DeAir's greatest strengths as a domestic manufacturer. We have an experienced R&D and engineering team ready to develop specialized solutions for any industry.

Need a "Tailor-Made" Solution for Your Business?

If you are facing humidity control challenges in your factory, high-value warehouse, or any other specialized application, contact DeAir today. We are ready to consult and develop a unique and most effective solution just for you.

DEAIR JOINT STOCK COMPANY
Email: operation@deair.com.vn
Hotline: +84 925 977 579 (Ms. Tam) | +84 914 205 850 (Ms. Hoa)
Website: deair.com.vn