Waste heat recovery

 At Global Boiler Services, we offer custom-designed waste heat recovery (WHR) systems to help reduce your vessel’s fuel consumption and improve energy efficiency. By recovering exhaust gas heat from auxiliary engines, especially during port stays, you can reduce oil consumption for your oil-fired boiler and improve your vessel’s environmental footprint. 

How it works 

Waste heat recovery systems utilise exhaust gas that would otherwise be lost to the atmosphere, capturing it to preheat boiler water through an economiser. This significantly reduces the need for fuel to raise steam, improving both fuel economy and emissions performance. 

Key benefits of waste heat recovery 

• 50 % of consumed energy is typically lost via exhaust gas 

• A Waste heat recovery economiser can recover up to 40 % of this waste energy 

• Short ROI period due to high fuel savings 

• Adds a stronger green profile to your vessel 

For example, with a steam capacity of 750 kg/h, you can save: 

• 1,452 kg of fuel per day (based on 60.5 kg/h x 24 h) 

• Up to 188,769 kg of MGO/HFO per year with 130 days of operation 
  

These savings contribute directly to reduced emissions, lower operating costs, and longer equipment lifespan. your steam conditioning systems.