We are leaders in Air conditioning & Refrigeration

With over 40 years in business and hundreds of years of experience gained by our staff, backed up by the highest levels of qualifications and accreditations, you can be assured the quality of advice and support you receive from JC Watson is the best it is possible to get.

Our service level and speed of response is second to none and we always put customer satisfaction first. We are known as being helpful and providing an excellent value for money service to our customers, some of whom we have looked after for decades.

We are ISO Quality assured as well as holders of all the highest industry accreditations including being one of the first companies to obtain a company F-Gas Certificate. This goes to show our commitment to ensuring all our clients are protected from prosecution under fast changing legislation by ensuring the credentials and accreditations we hold, provide our clients with the reassurance of knowing they are employing the best.

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Our Accreditations

Tried and tested to the highest standards.

Comprehensive Service

We provide a full range comprehensive services for Air Conditioning, Refrigeration and mechanical! We use only the world’s leading manufacturers delivered at competitive prices with unrivalled after-sales service.


All Systems are delivered and installed to your premises by one of our experienced and qualified air conditioning engineers. We will ensure you are trained in the correct use of the system to optimise its performance.


We operate a 24/7 365 maintenance back-up service with a 4-6 hours call out time to help you minimise costly downtime. Our Engineers are qualified to handle all kinds of emergencies.


Not only is our maintenance service fast, it’s also flexible! We understand that every client has different requirements and operational constraints, so we are used to working around the clock with a service tailored for you.


A rental machine can be a life saver in an emergency! All rental machines are available for long term hire or sale. Many customers decide to purchase and hold in stock their previous rental in case of future emergencies.

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What our clients say

“We are the largest NHS Trust in Europe and have a diverse and complicated estate portfolio. JC Watson Refrigeration look after all our sites and constantly fill me with confidence with the high standards of service that they give. their dedication to quality shines through in everything that they do. I cannot recommend them highly enough.”

S. K – Head of Estates Operations, NHS

“"JC Watson has shown their continued customer support all the way from installment to annual maintenance of our heating and cooling systems throughout the building at West London Film Studios. Their team are always helpful and available to assist us with any questions or queries regarding the systems and has made exceptional effort to aid us in any way he can."”

WEST LONDON FILM STUDIO – Always Helpful and Available to Assist

“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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24 Hour Service

Always at hand when you need it most!

Air conditioning

An approved supplier for the world’s leading climate control manufacturers, including Mitsubishi, Daikin and Toshiba Carrier. Read more


We offer both refrigeration sales and service across the country, from small-scale split installations to larger integrated works. Read more


Heat & cool your premises year round using qualified engineers from JC Watson. Read more


Complimentary to our services, we also offer a comprehensive range of mechanical engineering capabilities to ensure the job is done right! Read more

Our Portfolio

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

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

UK’s leading Air conditioning and Refrigeration company

Tried and tested to the highest standards for over 40 years in both the public and private sector, we are now approved contractors with NHS Trusts, local authorities and corporate businesses.

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Our Customers

Take a look at our valued and ever growing customer list

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For further information or to arrange a demonstration please contact us.


Office 2, Cecil's Barn, Fieldhouse Farm, Dunnings Lane
Brentwood, Essex, CM13 3HE