Air Cooled 
Heat Exchangers
& Finned Tube

Air Cooled Heat Exchangers

Spiro Gills Thermal Products have been producing Fin Fan style heat exchangers in the UK for over 70 years. Our Stafford factory can produce every part of our heat exchangers under one roof.
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Welded Finned Tube

Spiro is the only UK manufacturer of welded finned tube. We currently have three thermotool lines in operation. Our High Frequency welded finned tube can be found in operation all around the world.
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Applied Finned Tube

We manufacturer applied finned tube using McElroy finning machines. Our applied fin process allows us to manufacture finned tube bundles completely in house. Contact us with your requirements today.
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Spare Parts & Consumables

Spiro Gills maintains an extensive archive of all past and current work. We can provide spares and replacement parts to meet OEM requirements.
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Spiro-Gills Thermal Products Ltd: Design and Manufacture Air Cooled Heat Exchangers and Cooling Systems.

Spiro-Gills Thermal Products Ltd has a wealth of experience in designing and manufacturing air-cooled heat exchangers for a multitude of cooling applications. Our extensive experience includes, but is not limited to, Process Coolers, Power Generation Cooling, Transformers, Condensers and many more cooling systems.

Our coolers are designed to meet the most onerous worldwide environments on sites from the Arctic to the Equator. Design and construction incorporate materials that ensure long and trouble-free service with a minimum of maintenance. The heat transfer surfaces are selected from Spiro-Gills’ extensive range of finned tube systems and are optimised to suit the application in the most cost-effective manner. We employ a team of thermal engineers with extensive experience in solving the kind of problems likely to arise in this area of operations.

Quality Control

We have achieved full qualification to BS EN ISO 9001:2015 in all stages of design and manufacture.

This means all aspects of the manufacturing of your cooling system, heat exchanger or components is quality assured.

Forced Air Heat Exchangers

Long life cycle and reduced maintenance compared with induced air coolers. Lower energy demand for similar cooling capacity than other designs.
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Induced Air Heat Exchangers

Increased control of cooling in regions with unpredictable weather. Cooling finned tube has greater protection from the elements thus reducing possibility of corrosion.
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Quality Control & Accreditations

We use BS EN ISO 9001: 2015 In accordance with TUV UK LTD procedures’ and have accredited welders with ASME certification. You can be assured of reliable quality workmanship every time. 
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Spiro Gills Thermal Products Ltd operates from a 30,000+ square foot premises in Stafford. Junction 14 of the M6 is a five minute drive and access to the M1 takes less than an hour via the A50.
The factory has the capacity to manufacture large air cooler structure and finned tube bundles simultaneously. All our products are manufactured and tested on site before delivery.
We operate a variety of large overhead cranes, modern CNC machines, plasma cutters and our own paint shop.
The workforce are the backbone of Spiro Gills' products and services. Many of our team have been at Spiro Gills for decades and understand every aspect of designing and manufacturing heat exchangers for critical applications.

Established in 1946

Spiro Gills has over 70 years experience in designing, manufacturing and installing heat exchangers.

Around the World

Over the year we have supplied our heat exchangers and finned tube all around the world. From deserts to tundras and every environment in-between.


In 2016 Spiro Gills was purchased by Diesel Marine International Ltd. Spiro Gills is one of three companies in the group manufacturing cooling products for industrial applications.


Spiro Gills has supplied heat exchangers to all corners of the globe for over seven decades. We have built up a large list of multi-national clients in industries such as power generation, manufacturing and energy extraction. Through the years many things have changed, including the owners of Spiro Gills. Our commitment to quality and service has always stayed the same. 


We also offer customers heat exchanger repair and re-tubing facilities undertaken to meet customers shutdown periods, typically a 10-day turnaround.
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If you would like more information on any of the services we offer or have any queries then please do not hesitate to contact us.


+44 (0) 1785 254554



Spiro-Gills Thermal Products Ltd
St Albans Road
ST16 3DR
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