Danfoss Innovates Liquid Cooling Hoses for Efficient Electric Vehicle Cooling

Danfoss, a global leader in mobile and industrial hydraulics and electric powertrain systems, introduces two groundbreaking liquid cooling hose solutions tailored for electric vehicle (EV) applications: New Boston® by Danfoss® EV Flex Hose and New Boston® by Danfoss® EV Rigid Hose.

Danfoss Power Solutions introduces two cutting-edge hose solutions, the Boston® Emperor EHW094 TPU hose, and Royal EHW194 EPDM hose, designed for liquid cooling applications in electric vehicles (EVs), data centers, and more. As electric technology advances, liquid cooling emerges as an energy-efficient alternative. Emperor EHW094 is the first thermoplastic polyurethane solution, combining UL 94 V-0 flame rating and non-conductivity, ideal for liquid cooling. Royal EHW194, also UL 94 V-0 rated, offers a cost-effective synthetic EPDM rubber option. Both hoses provide flexibility and resistance in tight spaces, addressing the evolving needs of modern machinery and equipment.

Key Features:

  1. Designed for EV Cooling Applications:
    • Engineered to meet the unique challenges of EV cooling systems, including high pressures and temperatures.
    • Capable of operating at pressures and temperatures up to 150 bar and 130°C, respectively.
  2. Chemical Compatibility:
    • Compatible with a range of chemicals used in EV liquid cooling systems, including water, glycol, and other additives.
  3. Vibration Resistance:
    • Engineered to resist vibration, addressing a common challenge in EVs prone to mechanical stress.

Additional Benefits:

  1. Lightweight Construction:
    • Constructed from lightweight materials, contributing to overall EV weight reduction.
  2. Easy Installation and Maintenance:
    • Designed for simplified installation and maintenance, enhancing user convenience.
  3. Long Service Life:
    • Engineered for a prolonged service life, ensuring durability in demanding EV conditions.

Industry Impact: Danfoss’ liquid cooling hoses are already in use by leading EV manufacturers, including integration into the cooling system of the BMW iX electric SUV. These hoses are poised to significantly contribute to the advancement and adoption of EVs, offering superior performance, reliability, and durability compared to traditional liquid cooling hoses.

Benefits of Danfoss’ Liquid Cooling Hoses in EVs:

  1. Improved Cooling Performance:
    • Lower flow resistance and higher heat transfer coefficient for enhanced efficiency.
  2. Increased Reliability:
    • Higher quality materials and rigorous testing ensure superior reliability.
  3. Extended Service Life:
    • Resistant to wear and tear, providing a longer service life.
  4. Reduced Weight:
    • Lightweight construction contributes to improved fuel efficiency and range.
  5. Easy Installation and Maintenance:
    • Simplified processes for reduced ownership and maintenance costs.


  1. Performance and Reliability:
    • Offers the best combination of performance and cost for mobile A/C lines.
  2. Cost-Effective Solution:
    • Provides a cost-effective solution without compromising on performance.
  3. Compliance with SAE Standards:
    • Meets or exceeds SAE J3062, J2064, and J3143 standards for quality assurance.

Conclusion: Danfoss’ EverCool EC005 Type G A/C hose stands as a value-oriented solution, ensuring exceptional performance, reliability, and cost-effectiveness for mobile air conditioning lines. This innovation aligns with the industry’s demand for efficiency, simplicity, and weight reduction in vehicle design.

Danfoss’ innovative liquid cooling hoses represent a major advancement for the EV industry, offering improved performance, reliability, and durability. As EVs continue to evolve, these hoses are poised to play a pivotal role in shaping the future of electric mobility.

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