Sterling Thermal Technology certifications have been awarded by recognised certification bodies.

ISO 9001:2015 by Lloyd’s Register

ISO 9001 logo that Sterling Thermal Technology can use because Sterling Thermal Technology is certifiedWe achieved certification for both of our manufacturing sites against the international Quality Management System standard, ISO 9001:2015. 

Independently audited by Lloyd’s Register Quality Assurance, their assessors recognised us as committed to quality, meeting customer requirements and continual improvement. 


We comply with Achilles’ requirements and directions. Therefore, we are registered as a heat exchanger manufacturer on the Achilles First Point Assessment Database. This database is the Achilles’ Oil & Gas Europe Community for suppliers to the oil & gas industry. 

Bureau Veritas

Bureau Veritas certified our tube heat exchangers against their requirements for the classification of steel ships and offshore units.


We are authorised by the American Society of Mechanical Engineers (ASME) for manufacturing pressure vessels and miniature pressure vessels at our Aylesbury manufacturing facilities; in accordance with the applicable rules of the ASME Boiler and Pressure Vessel Code.

See below our certificates

We customise our heat exchangers to meet your requirements, so contact us today to discover the right equipment for you.