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Building of Refra company

High-performance HVAC: Precision control for heat pumps

Refra builds efficient HVAC systems using natural refrigerants, advancing sustainable cooling and heating with support from Siemens technology.

Redefining energy efficienct HVAC

Refra is a leader in innovative HVAC technology, dedicated to building heat pumps and chillers that use natural refrigerants. Driven by its mission to create highly efficient and cost-effective solutions, Refra is continuously advancing what’s possible in sustainable heating and cooling. Their long-term partnership with Siemens, leveraging the MVL702's advanced capabilities, is key for Refra's to achieve their ambitious goals.

Refra's core strategic objectives were addressed by integrating Siemens' magnetic expansion valve, which has been shown to deliver outstanding efficiency gains and superior superheat control.

Inside an industrial building of the Refra company with heat pump system

Challenge

Refra embarked on a bold strategic objective: to significantly elevate the efficiency of its heat pump systems while maintaining their commitment to sustainability through the exclusive use of natural refrigerants. The challenge was to identify and seamlessly integrate a technology that could unlock superior performance and precise control, even under dynamic operating conditions, without compromising their eco-friendly mandate.

Solution

In response to Refra's strategic requirements, Siemens formed a close technical partnership to deliver a tailored solution. At the core of this innovative approach is the MVL702 magnetic expansion valve, seamlessly integrated with Siemens' advanced smart controls.

This solution offers:

  • MVL702 magnetic expansion valve: exceptional speed, precision and robust design to save energy by adapting superheat to lowest level yet stable operating point
  • Climatix C600 controller: scalable, adaptable control range for a seamless connection with equipment automation
  • Custom control application: tailored software that integrates seamlessly with existing technologies, honed to match Refra’s unique control logic and specific operational requirements
Industrial setting of Refra company with magnetic expansion valve

Customer benefits

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Unmatched precision

Sharper control accuracy for enhanced system stability

Icon of plug with cord circling a leaf illustration energy efficiency

Optimized energy consumption

Reduced operational costs while enhancing efficiency

Superheat icon

Stable superheat management

Ensured reliable performance under dynamic operating conditions

Together with Siemens, we combine our expertise to create a solution that pushes the limits of what's possible with natural refrigerants.
Vitalijus Starovoitova, CTO, Refra

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