Your trusted heat exchanger manufacturer - From first principles to lasting partnerships Heat exchange manufacturer since 1904, we design and produce to custom specifications, from first principles. Working in collaboration with our customers to solve their challenges, we operate as a technical partner. We deliver bespoke solutions which deliver lasting benefits. We have proven international expertise and experience in many sectors, with global brands and SME’s. Therefore, we know what it takes to deliver long-lasting, durable heat exchange solutions. It’s about partnership. With a comprehensive range of heat exchangers including shell and tube, compact fin, extended surface and single tube, we have the engineering capability you require. Should you need to refurbish, repair or replace your equipment on a like for like basis, we’re also here to help. As a partner, we listen to you and your needs. We appreciate your businesses, sector and industry, and deliver optimal solutions that you can rely on with confidence. 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, developing new and pioneering solutions to meet the changing demands and challenges of global industry. Sterling Thermal Technology is part of Caledonia Investments plc, a UK investment trust listed on the London Stock Exchange. This means we have the backing and resource at our disposal to step forward, with you, into an even stronger future.