Copper-Tube Aluminum-Fin Evaporator Manufacturers

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Copper-Tube Aluminum-Fin Evaporator

Specifications:

Core Dimensions: 168 (L) x 38.1 / 12.7 (W) x 510 (H) mm

Mold Size: 7 x 21 x 12.7 mm

Fin Type: Hydrophilic aluminum foil (fin spacing 1.8 mm, fin thickness 0.105 mm)

Material: All-aluminum construction (1.5 mm galvanized steel)

Piping: All-copper

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Product Introduction

The copper-tube aluminum-fin evaporator is designed to provide efficient, reliable, and durable heat transfer for a wide range of applications. 
Its core measures 315 mm in length, 50.8 mm in width, and 63.5 mm in height, with an overall extended height of 281 mm and mold dimensions of 7 × 21 × 12.7. 
This compact yet highly effective design allows for easy integration into HVAC systems, portable cooling units, and industrial thermal management setups, delivering consistent performance without occupying excessive space.
The heat exchanger features hydrophilic aluminum foil with a sheet spacing of 1.75 mm and a thickness of 0.105 mm, which increases the effective heat transfer area, improves condensate drainage, and ensures stable operation under varying environmental conditions. 
Copper-aluminum welded piping provides secure, leak-free connections while optimizing refrigerant flow, combining the thermal conductivity of copper with the lightweight, corrosion-resistant properties of aluminum. The all-aluminum core, together with 1.5 mm aluminum sheet metal, ensures a lightweight yet durable structure capable of withstanding long-term operation.

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About Yijie
Our company focuses on the design, development and production of heat exchangers for air conditioners, refrigerators, automobiles, dehumidifiers and water dispensers. We mainly offer aluminum tube heat exchangers, aiming to replace traditional copper tube products. Copper-Tube Aluminum-Fin Evaporator Manufacturers in China. In the market environment with fluctuating copper prices and high costs, our aluminum tube products not only have significant cost advantages, but also their performance meets or even exceeds that of some copper tube products. Few enterprises in the industry can produce such aluminum tube heat exchangers, giving us prominent core competitiveness. Custom Copper-Tube Aluminum-Fin Evaporator.
The company adopts top domestic production technology, introducing automatic welding, pipe bending and cutting, stamping equipment as well as high-performance nitrogen detectors. Copper-Tube Aluminum-Fin Evaporator Factory. We strictly control the entire process from raw material procurement, precision processing to quality inspection to ensure the high performance and stability of products. At the same time, the company has an experienced management team and technical backbone team. The management team accurately grasps the market and operation, and the technical team continuously innovates and optimizes, providing solid support for the company's development.
At present, the company's business orders are distributed at home and abroad, and we have established long-term and stable cooperative relations with many well-known enterprises. Under the industry trend of "copper to aluminum replacement", our products are widely recognized for their stable performance and high cost performance, with sustained growth in market demand and broad prospects for future development.

Certification
  • Welding Electrode Test Report
  • Aluminum Tube Test Report
  • Product Quality Management
  • Mechanical properties, dimensional requirements and testing
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Industry knowledge

Refrigerant Flow Distribution in Copper-Tube Aluminum-Fin Evaporators

A Copper-Tube Aluminum-Fin Evaporator relies on precise refrigerant distribution to achieve stable cooling performance. In refrigeration systems, the evaporator is not only responsible for absorbing heat from surrounding air but also needs to ensure that refrigerant can fully utilize the internal tube surface area during phase change.

The arrangement of copper tubes, circuit design, fin density, and airflow direction all influence evaporation efficiency. Uneven refrigerant flow may cause some areas of the coil to work below capacity, while optimized circuit layouts help maintain balanced temperature distribution and improve overall system reliability.

  • Balanced refrigerant circuits improve heat absorption consistency across the evaporator surface.
  • Proper tube arrangement reduces temperature differences between different coil sections.
  • Aluminum fins enhance air-side heat transfer efficiency through increased contact area.
  • Optimized structures support stable operation under different cooling loads.

The Role of Copper Tubes and Aluminum Fins in Heat Transfer Balance

The combination of copper tubes and aluminum fins is widely used in refrigeration heat exchangers because each material contributes different advantages. Copper provides excellent thermal conductivity and reliable refrigerant transmission, while aluminum fins create a larger heat exchange surface with lower overall weight.

This material combination requires careful manufacturing control because the connection between copper tubes and aluminum fins directly affects long-term heat transfer stability. Proper expansion processes and structural design help maintain close contact between components, reducing thermal resistance during continuous operation.

Hangzhou Yijie Refrigeration Technology Co., Ltd. has 12 years of deep expertise in heat exchangers and holds multiple core technologies. By breaking through the limitations of traditional copper material, the company adopts high-performance aluminum tube technology for different heat exchanger applications. This approach reduces material costs by more than 30% while providing significant advantages in mass production and manufacturing efficiency.

Factors Affecting Evaporator Performance in Different Cooling Systems

The operating environment determines the design requirements of evaporators. A residential air conditioning system, a cold storage unit, and an industrial cooling device may use similar heat exchange principles, but their requirements for airflow, corrosion resistance, and continuous operation capability are different.

Application Condition Important Evaporator Requirements
Household Air Conditioning Compact structure, low airflow resistance, and stable indoor cooling performance.
Dehumidification Equipment Efficient moisture condensation and reliable operation in humid environments.
Cold Chain Systems Long-term durability and stable heat absorption under continuous operation.
Industrial Equipment Strong structural reliability and adaptability to demanding environments.

Durability Evaluation of Copper-Tube Aluminum-Fin Evaporators

Heat exchangers used in refrigeration systems must withstand repeated temperature changes, pressure fluctuations, and moisture exposure. Over time, these conditions can affect tube connections, fin surfaces, and overall structural performance.

To verify reliability, Hangzhou Yijie Refrigeration Technology Co., Ltd. applies strict testing standards. Its products have passed 500-hour standard salt spray tests and 50,000 pressure cycle verification. The corrosion resistance and compressive strength far exceed national standards, supporting stable operation in various refrigeration applications.

  • Salt spray testing evaluates resistance against humid and corrosive environments.
  • Pressure cycle verification confirms structural stability during repeated operation.
  • Material and manufacturing quality together determine service reliability.

Selection Considerations for Reliable Refrigeration Heat Exchangers

Selecting a suitable Copper-Tube Aluminum-Fin Evaporator requires more than considering heat transfer capacity alone. Engineers also need to evaluate installation space, refrigerant type, operating temperature range, maintenance conditions, and expected service life.

With strong custom service capabilities, Hangzhou Yijie Refrigeration Technology Co., Ltd. provides heat exchanger solutions for a wide range of scenarios, including household AC, automotive AC, dehumidifiers, cold chain systems, eco-friendly equipment, machine rooms, and warehouses. The ability to customize structures according to different working environments helps equipment manufacturers achieve better system matching and long-term operational stability.