Waste heat recovery

Save up to 14% on energy use and carbon emissions with Alfa Laval boiler technology that recovers waste heat from your main and auxiliary engines.

From waste heat to added value

  • Recover heat from both main and auxiliary engines
  • Meet your steam needs in port and at sea
  • Systems can boost propulsion
  • Leverage overlooked heat sources, for example to superheat steam, to meet energy needs and emissions regulations
  • Integration optimizes recovery and savings
Cut costs and limit CO2 generation. 50% of your main engine’s fuel energy goes to heat flow. Alfa Laval’s Aalborg technology maximizes waste heat recovery from all sources, benefitting your bottom line and the environment – without compromising onboard safety.

Waste heat recovery solutions for any vessels

Our Aalborg waste heat recovery solutions can improve the energy efficiency of any vessel. Our extensive experience lets us design and install systems that maximize energy gains without any compromise in onboard safety.

Read more about how you save fuel or call our experts

Case stories (will be added in production before publishing)

UASC (United Arab Shipping Company)

Carnival (cruise ship) 

Alfa Laval Test & Training Centre – Developing the future

Our exhaust gas cleaning solutions and water cleaning technology continue to evolve at the Alfa Laval Test & Training Centre. Here our marine equipment and applications are tested on the scale of an oceangoing ship – but with the control and convenience that cannot exist at sea.

Further potential in auxiliary exhaust

Recovering heat energy from auxillary engine exhaust, for example, can do more than meet steam needs in port. For vessels whose long-stroke main engines produce cooler exhaust, it can also provide a needed boost in steam production an route.

Not limited to serving onboard equipment, today's wate heat recovery systems can even be constructed to provide a boost in propulsion.


      1. Main engine(s)
      2. Auxillary engine(s)
      3. Oil-fired boiler
      4. Auxillary engine waste heat recovery
      5. Main engine waste heat recovery
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