We provide the most experienced engineers who can carry out the most complex installations.


Our aim is to provide personal, reliable and cost effective service with a commitment to building a strong customer and supplier relationship by achieving the highest efficiency. We are reactive to "must have now" emergencies and readily available for technical enquiries and on site visits.

Pipework & Valves

Our team of pipework engineers and valve specialists are highly trained and skilled at installing and commissioning pipework in a variety of different applications, this ensures we can provide a complete solution for pumps and pumping equipment.

Pumps & Pressurisation Units

We offer compact and cost effective solutions for domestic, commercial & industrial water systems. In addition we have over 25 years experience designing, installing and maintaining pump and pressurisation units. This coupled with our years of working with quality manufacturers ensures our solutions offer years of trouble-free operation.

Thermal Insulation

Our thermal insulation experts can meet all your lagging and insulation requirements for all your tanks, pipes, vessels, ductwork and equipment operating within a temperature range of -40 to +700c. Our experienced team can install mineral fibre slab and wrap; phenolic mineral fibre sections; stucco aluminium cladding and valve boxes; VentureClad; PIB rubber sheeting; flexible valve mats and valve jackets.

UK’s leading Air conditioning, Refrigeration & Mechanical Company

We treat every customer like they are our only customer

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Always at hand when you need it most!

What our clients say

“West Herts Hospitals have worked closely with JC Watson installing air conditioning units throughout the Trust. Their proactive and flexible approach in a somewhat challenging environment has allowed us to run the project smoothly, and the team go the extra mile to support us with any queries or issues. We highly recommend JC Watson’s services and look forward to working with them in the future.”

WEST HERTS HOSPITALS – We highly recommend JC Watson´s services!

“On behalf of the myself and the school, I wanted to write a few lines in respect of the Technology Classroom project this summer. Firstly, I wanted to thank you for your professionalism and decisive approach to my requests in relation to the above project. By working swiftly and sensibly we were able to seamlessly bring J C Watson into the project and this contributed to a very successful refurbishment project. Secondly, I wanted to thank your engineer who was excellent! Really pleasant, easy guy to work with and efficient. Particularly important attributes when operating in a school. You and your team were instrumental in helping us construct a fantastic facility for the pupils to learn within, namely the technology classrooms.”

ROYAL ALEXANDER & ALBERT SCHOOL – The JC Watson team were instrumental in helping us construct a fantastic facility for the pupils.

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Our Portfolio

Secure and Super Secure Area

Secure and Super Secure Area

In the secure and super secure areas we installed eleven single-split systems as a comfort coolin... Read more

Wexham Park Hospital

Wexham Park Hospital

Decommission 3 existing remote condensers serving CCU ward at Wexham which were disconnected with... Read more



Brand New installation of a variety of wall-mounted units and cassettes into the offices and star... Read more