What we do

Green’s is the market technology leader in the specification, design, fabrication, installation and support of economisers, waste heat boilers, land and marine boilers, steam air heaters and other pressure parts. Our products and services are exported around the world from our factories in Wakefield, UK and we are proud of our reputation for reliability and top quality products. We offer a complete manufacture, site install, repair and spares service across all continents on a 24/7 basis.

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Our solutions capture waste heat produced by burning biomass, waste and conventional fuels (coal, gas, oil) and use it to increase the efficiency of producing electricity. We have supplied economisers and waste heat boilers for more than 400 power stations worldwide ranging from 100MW to 1000MW.

This diagram shows how our products work in the energy sector.


We design and manufacture customised waste heat recovery systems incorporating our economisers and waste heat boilers for a wide range of industrial sectors. Our industrial customers range from pulp and paper, steel and sugar mills to food processors, chemical plants and general manufacturers. Companies around the world use our solutions to process flue gas streams so that they can reheat water for other plant applications including drying ovens, kilns, heating, sterilisation, cooking and electricity generation.

This diagram shows how our systems work in the industrial sector.


From the largest cruise ships, crude carriers and tankers to individual superyachts we provide tailored solutions to meet marine operators’ waste heat recovery system requirements. Whether ship operators are looking for a full design, manufacture and installation service to deliver a solution that enables them to capture waste heat to use for applications including air conditioning, swimming pool heating, laundry processes or powering their boilers. Or they want responsive and reliable inspections by highly qualified people to meet their operational and regulatory requirements. Or they simply want the spares they need delivered on-time and at a competitive cost, Green’s can help.

This diagram shows how our systems work in the marine sector.

There is more information about our marine spares and services here.


Green’s provides a wide range of services so that our customers’ economisers and waste heat recovery systems keep working as efficiently as possible for their entire lifetime. From proactive inspections and surveys to reactive repairs and spares supply we have a reputation for providing fast and reliable aftermarket support around the clock and around the world at competitive prices.

There is more information about our marine spares and services here.