Benefit from our expertise in the production of efficient heat exchangers for hot water tanks. We offer you a wide portfolio of heat exchangers - as a standard variant and customer-specific solution, tailored exactly to your needs. Our Truco® coaxial condensers are characterized by perfect heat transfer, which is achieved through a special design of the flow paths. In addition, the counterflow principle, which is favorable for heat transfer, is implemented, which simultaneously enables extensive utilization of the superheated heat of the refrigerant vapor and supercooling of the liquid refrigerant. The economical and efficient Truco® coaxial evaporators have long been equipped with finned tubes or tubes with a special surface structure, which significantly improves the heat transfer from the tube wall to the evaporating refrigerant.


Schmöle coaxial evaporators are used for evaporating refrigerants and are suitable for evaporating refrigerants with heating media such as circuit water, ground water and heat transfer media with glycol additives.
Schmöle coaxial heat exchanger evaporators are used in:

  • Heat pumps
  • Refrigeration and cooling systems
  • Heat recovery systems
  • Climate cabinets
  • Temperature control units


  • special surface structure (high-performance evaporator tubes with structured surface) ensures a significantly improved heat transfer
  • Simple structure, therefore cheaper than shell and tube evaporators
  • Improved flow around the evaporator tubes thanks to star-shaped spacers


  • Copper Cu-DHP
  • Copper nickel
  • Stainless steel

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