Is Your Loop Source Heat Pump Climate-Ready™?

Loop Source Heat Pumps are an innovative solution for replacing fossil fuel residential gas boilers in multifamily buildings. This business model, initiated by utility companies, co-ops, and other investors, enables efficient electrification in urban areas through the application of Loop Source Heat Pumps. By installing small heat pumps in each apartment, we can replace traditional gas boilers, offering increased comfort with a minimized footprint.

Each apartment has a Loop Source Heat pump that extracts energy from a central loop containing preheated brine supplied by a centralized heating device, such as a high-capacity heat pump.
This cascading system is a prerequisite for designing more compact heat pumps suitable for the multi family market. These systems face several critical challenges that engineers must overcome to achieve optimal performance. Footprint reduction, reduced refrigerant charge, higher efficiency demands, and decreased CO2 emissions are driving the development of the next generation of Loop Source Heat Pumps. Optimizing performance across varying operating conditions, managing fluctuating temperatures and capacities presents new challenges for system design.

modern architectural complex of residential buildings with shared loop source heat pump system

Heat Transfer Technologies to Elevate Performance and
Sustainability

CFD simulations optimized the plate geometry to maximize heat flux, minimizing the footprint and enhancing overall system performance. This is a key element in our loop source heat transfer solution. Higher flow rates and lower temperature increases differentiate this application from traditional ground source heat pumps. Our meticulously designed heat exchangers meet these unique requirements, ensuring optimal performance and efficiency.

Our heat exchangers feature an asymmetric design, balancing refrigerant charge, performance, and water/brine pressure drop while minimizing refrigerant use. Compactness is crucial for Loop Source Heat Pumps due to space limitations. This innovative approach facilitates swift and straightforward integration.

Optimized for variable speed operation, our heat exchangers ensure efficient refrigerant distribution and maximize heat transfer area utilization across the entire operating range. By addressing critical challenges with innovative solutions, we provide engineers with tools to achieve superior performance and sustainability in Loop Source Heat Pump systems.

Challenge

  • SCOP
  • Low refrigerant charge
  • Wide envelope
  • Natural refrigerants

Solution

  • CFD optimized plates
  • Asymmetric
  • Adapted distribution
  • Variable speed suitable

LS-product range dedicated for Loop Source Heat Pumps

Brazed plate heat exchanger
  • Condenser LSC
  • Evaporator LSE
  • Range <30kW

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