Sterling Thermal Technology Ltd

  • Brunel Road
  • Rabans Lane
  • Aylesbury
  • Buckinghamshire
  • United Kingdom
  • HP19 8TD (map)

  • Tel: 0121 748 8448
  • Fax: 0121 748 8449
  • Website:


  • Andrew PARKER, Sales Director
  • Will RICHARDSON, Business Development Manager
  • Nick WILSON, Commercial Director
  • Number of Employees: 21 - 100

Welcome to Sterling Thermal Technology Limited.

Established in 1924, Sterling Thermal Technology designs, manufactures and supplies a range of industrial heat exchangers for customers in over 50 customers worldwide.  It incorporates Heat Exchange Industries, Britannia Heatex, Thermo Engineers and Urquhart Engineering.

Using different advanced extended surface and tube technologies, Sterling offers a range of heat exchange products, spares and services.

Product Examples

  • Transformer coolers : OFAF (Oil-immersed); AFWF; ANWF (Dry Type).
  • Electric Motor & Generator Machine coolers : CACW or TEWAC; CACA or TEAAC; Heat Pipe Avantair.
  • Shell & Tube Heat Exchangers.
  • Power Generation Hydrogen Coolers.
  • Marine Engine Charge Air Coolers.
  • Air Heaters & Coolers and Recuperators.
  • Air Cooled Air Blast Heat Exchangers.

Markets served by Sterling include: OEM Infrastructure Manufacturers, Power & Energy Utilities, Marine, Compressor, Rail, Food & Beverage, Pharmaceutical and many others.

Sterling also supplies replacement heat exchangers for existing plant on a like-for-like or enhanced design basis.  If Sterling has not supplied the original heat exchanger it is also able to reverse engineer a solution due to its in-house design and manufacturing versatility.

Sterling operates from two fully-equipped factories in England with in-house design and machining capability. We weld and machine a broad range of materials, such as stainless and carbon steel, copper alloys, nickel alloys and titanium.

Accredited to ISO 9001:2008, heat exchangers and pressure vessels can be designed and manufactured in accordance with all common international standards including:- PED, ASME (U stamp), CODAP, AFNOR, AD Merkblatter, DIN, API, DNV, BS PD 5500.

Sterling regularly works closely with third party inspection authorities (for both design verification and final inspection) such as:- UDT, TUV, Lloyds Register, SLV, ASME U Stamp, DNV(Norway), GL (German), BV (UK), RMR (Russian), LRS (UK), ABS (US), CCS (China), RINA (Italy), NKK (Japan), KRS (South Korea)

We offer standardised and custom-built heat exchangers.  Our manufacturing capability is geared to both volume and one-off production.

Please contact us to discuss your requirements or explore our website to view examples of the products and services we supply.

General enquiries: Tel: +44 (0)121 748 8448 or email:

Transformer Cooler enquiries: +00 44 (0)1296 469237

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