HuixianTianyang Electric Co.Ltd.
Heat Exchanger Solution for Air Source Heat Pump OEM
2026-09-11
Air source heat pumps have become the mainstream energy-saving heating solution for residential, commercial and industrial applications. As the core heat transfer component, the fin tube heat exchanger directly determines the heat absorption efficiency, energy consumption level and operational stability of the entire heat pump unit. We provided customized heat exchanger solutions for a professional heat pump OEM, supporting their full series of air source heat pump products used for space heating, hot water supply and commercial heating projects. The customized heat exchangers are designed to adapt to variable ambient temperatures and meet strict energy efficiency standards for modern heat pump systems.
Technical Challenges for Heat Pump Heat Exchangers
Different from traditional refrigeration heat exchangers, air source heat pump equipment faces unique working condition challenges:
1. Wide ambient temperature fluctuation: Heat pumps operate in both low-temperature winter environments and high-temperature summer conditions, requiring the heat exchanger to maintain stable heat transfer efficiency across large temperature differences.
2. High humidity and frosting risk: In humid and cold climates, the outdoor fin surface is prone to frosting, which may reduce heat absorption capacity and trigger frequent defrost cycles.
3. Strict energy efficiency requirements: Global energy-saving standards require heat pump units to achieve higher COP values, putting forward higher requirements for fin structure, tube layout and overall matching performance.
4. Long-term continuous operation: Heat pump equipment usually runs stably throughout the year, requiring heat exchangers with anti-corrosion performance and long service life.
Customized Heat Exchanger Design Solution
According to the operating characteristics of air source heat pumps, our engineering team optimized the fin tube heat exchanger in multiple dimensions to solve common pain points of OEM customers:
1. Optimized fin spacing and louver structure
We adopt targeted fin spacing design for heat pump outdoor units. The optimized louver fin structure increases the air-side heat exchange area, improves heat absorption efficiency at low temperature, and balances airflow resistance to avoid excessive frosting. This design effectively improves the overall COP of the heat pump unit during winter operation.
2. Scientific tube circuit layout
Based on the heat pump’s thermal load and refrigerant circulation characteristics, we optimize the tube pass arrangement and flow path balance. Uniform refrigerant distribution avoids local insufficient heat exchange and excessive pressure drop, ensuring stable heat exchange performance under variable load operation.
3. High-efficiency hydrophilic and anti-corrosion coating
The fin surface is treated with high-quality hydrophilic coating, which accelerates frost melting and water drainage during the defrosting process, shortens defrost time, and reduces energy loss. Optional anti-corrosion coating is available for coastal, high-humidity and industrial areas to resist oxidation and salt mist erosion.
4. Flexible structural customization for OEM iteration
We support non-standard size customization, interface position adjustment, and fin density optimization to match different heat pump models, unit appearances and installation structures. It helps OEM customers quickly iterate new products and adapt to market energy efficiency upgrades.
Key Product Specifications
Product Type: Copper tube aluminum fin heat exchanger for air source heat pump
Application: Residential heat pump, commercial heating unit, industrial heat pump system
Core Advantages: High heat exchange efficiency, low pressure drop, fast defrosting, strong weather resistance
Surface Treatment: Hydrophilic coating / anti-corrosion coating optional
Quality Standard: Full pressure test, leak detection and dimensional inspection
Production & OEM Supporting Capacity
All heat pump heat exchangers adopt precise mechanical tube expansion technology to ensure tight contact between copper tubes and aluminum fins, minimizing thermal resistance. We support sample customization, s mall-batch testing and large-scale mass production. Stable production capacity and standardized quality control help heat pump OEMs shorten product development cycles and achieve stable batch delivery.
Project Advantages & Customer Value
After batch application, the customized heat exchangers significantly improve the overall energy efficiency and low-temperature performance of the customer’s air source heat pump units. The optimized defrosting performance reduces invalid energy consumption, while the reliable structural design lowers after-sales failure rates. It greatly enhances the product competitiveness of heat pump OEMs in the energy-saving heating market.
Conclusion
Air source heat pump heat exchangers require professional customized design adapting to complex ambient temperatures and energy efficiency standards. With rich OEM supporting experience in the heat pump industry, we can provide exclusive heat exchanger, condenser and evaporator solutions according to customer cooling/heating load, equipment parameters and application environments.
If you need custom condenser, evaporator or heat exchanger according to thermal load, drawing or working condition, please contact our engineering team for technical discussion and quotation.
Huxian Tianyang Electrical Appliance Co., Ltd.