As one of the leading UK heat exchanger suppliers, we are experienced and trusted. Acting as a technical partner to many of the world’s leading businesses, we design and manufacture heat exchangers to custom specifications – from first principles to lasting partnerships.

Our manufacturing facility in Aylesbury have dedicated heat exchanger production lines for Original Equipment Manufacturers (OEM) and end-users’ requirements. We manufacture both bespoke and standard designs for new, like-for-like replacement, and enhanced or refurbished units. 

Sterling TT is a UK heat exchanger designer and manufacturer. Established in 1904, we serve countries around the globe with our high-quality, bespoke heat exchangers.

We deliver our heat exchange solutions across industry sectors such as renewables, power generation, power distribution, oil and gas, defence, marine, recycling and industrial.

While we are a UK-based heat exchanger manufacturer, working with us, you’ll benefit from international expertise and experience. We supply equipment to global brands and small businesses globally.

Our history and expertise

Established in 1904, we have a proven track record of collaborating with global brands and SMEs in over 50 countries.

We are a business with a proud pedigree. Previously known as HEI, Thermo Engineers, Britannia Heat Transfer, Thame Energy Services and Britannia Heatex, we have over 100 years’ continuous experience in the heat exchange industry.

Throughout our history, we have been at the forefront of technology. We’ve developed new and pioneering solutions to meet the changing demands and challenges of the global industry.

Today Sterling TT is the preferred heat exchanger supplier in many of our target markets. We maintain a programme of continual investment in product innovation, manufacturing plant, design software and staff training.

We’ve demonstrated our ability to solve the most complex challenges across all industry sectors; from power generation, renewable energy, oil and gas to defence, chemical and industrial in general, through to marine.

Based in the UK but operating globally, we have a modern and well-equipped heat exchanger factory in Aylesbury.