About Us

Heat Exchange Group is the leading UK and worldwide supplier of the widest range of heat exchanger and industrial/marine boiler products and services. The Group was formed in 2018, following the merger of Green’s Power and Thornhill Heat Exchangers.

We design, manufacture, install, service and repair economisers, waste heat boilers, land and marine boilers, steam air heaters and other pressure parts. We service and repair all makes of plate heat exchangers, shell and tube heat exchangers and other industrial related heat exchange equipment, as well as repair or manufacture of replacement rail heat exchangers.

We operate from our head office and factory in Wakefield, UK, and our Service Centre and factory in Prudhoe, UK.

We are proud of our heritage, our people and our reputation for excellence. Our teams work professionally, commercially and responsively to provide the highest quality products and services for our clients, no matter where they are in the world. Watch a short video.

We have agents/distributors in the following countries: Africa, Australia, Bangladesh, Brazil, Canada, Denmark, Finland, France, Greece, India, Israel, Italy, Japan, Korea, Middle East, Mexico, Pakistan, Spain, Turkey, UK and Vietnam.


We are accredited under all relevant certification and quality schemes. You can download our certificates here.

Our Policies

We have robust policies that cover all aspects of our business. You can download them here: