EJM Delivers Advanced Natural Refrigerant Installation for Cube Cold in Theale
EJM Engineered Systems Ltd has completed a major refrigeration installation for Cube Cold’s new frozen and chilled sto…
Since 1980 · Independent · UK-Wide
Engineering cooling systems that power industry
Design, installation and maintenance of ammonia, CO₂ and low-GWP refrigeration — from distribution centres to food manufacturing plants.
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Trusted by leading UK businesses
Whitby Seafoods
Langdon Industries
Cube Cold
TanRo
Accredited & certified
What we do
Complete refrigeration solutions
As an independent contractor, we select the best equipment for your project — not tied to any single manufacturer.
Industrial Refrigeration
Ammonia, CO₂ transcritical and large-scale distribution centre systems.
Learn more →Commercial Refrigeration
Low-GWP systems for food, pharma, labs, hospitals and mortuaries.
Learn more →Service & Maintenance
24/7 call-out, PPM schedules, compressor overhauls and remote monitoring.
Learn more →Air Conditioning & Ventilation
Clean rooms, dehumidification, heat pumps and factory ventilation.
Learn more →
How we work
From consultation to 24/7 support
1
Consultation
Free initial site survey and feasibility discussion with our engineers.
2
Design
Detailed system design, equipment selection and compliance planning.
3
Installation
Expert installation, testing and commissioning by our in-house teams.
4
Support
Ongoing PPM, remote monitoring and 24/7 emergency call-out.
Why EJM
Independent expertise.
Independent expertise.
Manufacturer freedom.
- ISO 9001:2015 accredited quality management
- Natural refrigerant specialists — ammonia & CO₂
- Full M&E packages — mechanical, electrical & controls
- 400+ years combined service engineer experience
- Over 46 years in business — founded 1980
- Multi-million pound projects across the UK
"We are in the business of producing frozen seafood products for 27 years. Our experience has been that you cannot cut corners on engineering particularly when it comes to the investment and maintenance of refrigeration e…"
Testimonials
What our clients say
"We are in the business of producing frozen seafood products for 27 years. Our experience has been that you cannot cut corners on engineering particularly when it comes to the inves…"
"Langdon Industries have used EJM Engineered Systems for over a decade. During this time initially gaining very competitive tenders for new works, coupled with good practice during …"
"For over 30 years EJM have looked after all our refrigeration needs, both large and small. They have designed, installed and maintained our refrigeration plant across our cold stor…"
Featured projects
Case studies
Case Study – Refrigeration Installation for Theale Distribution Centre
EJM Engineered Systems Ltd was appointed by TanRo to design, supply, install and commission the complete refrigeration p…
Case Study – Refrigeration Installation for Warrington Distribution Centre
EJM Engineered Systems Ltd recently completed the refrigeration installation for a major temperature-controlled distribu…
Industries
Sectors we serve
Cold Storage & Distribution
Multi-temperature DCs, blast freezers and national cold-chain logistics.
Food Manufacturing
In-line freezing, plate freezing, abattoirs and process cooling.
Commercial & Retail
Supermarket refrigeration, food retail and bespoke cold rooms.
Pharma & Laboratories
Clean rooms, close control, humidity control and validated environments.
Latest news
Insights & updates
Why Independent Refrigeration Contractors Still Matter
Manufacturer packages have their place, but independent engineering remains vital when applications…
Building a Planned Maintenance Calendar That Actually Works
A PPM schedule copied from a template and ignored by the site is worthless. A calendar shaped around…
End-of-Summer Review: Lessons from Peak Cooling Season
The best time to learn from summer stress is while the memory of alarms and overtime is still fresh.
Photography
Recent project photography
Industrial and commercial installations from across the UK.
Service technology
Joblogic field service platform
EJM runs Joblogic to give customers clear visibility and control over service, maintenance and plant assets.
Customer portal access
View job history, certificates, reports and open works in one secure portal.
Health & Safety
Risk assessments, method statements and compliance records kept with every visit.
Plant assets
Full asset register for your refrigeration plant — specs, service history and reminders.
Planned maintenance
PPM schedules, engineer allocation and 24/7 call-out coordination in one system.
UK coverage
Our office addresses
Four regional offices supporting projects and service call-outs nationwide.
Head Office — Durham
Thornley Station Industrial Estate Shotton Colliery Durham DH6 2QA 01429 836 161 Open in MapsAshford — Kent
The Cobalt Building, Office 18 1600 Eureka Park, Lower Pemberton Ashford TN25 4BF 01622 758800 Open in MapsGlasgow
The Greenlaw Works 6S Greenlaw Way, Newton Mearns Glasgow G77 6EF 0141 484 5000 Open in Maps
FAQ
Frequently asked questions
What refrigeration services does EJM provide?
EJM provides industrial refrigeration, commercial refrigeration, air conditioning, ventilation, and 24/7 service & maintenance across the UK — from design and installation to commissioning and ongoing support.
What refrigerants does EJM specialise in?
We specialise in natural refrigerants including ammonia (R717), CO₂ transcritical systems and propane (R290), as well as low-GWP commercial refrigerants. As an independent contractor, we select the best solution for your project.
Does EJM offer emergency breakdown call-out?
Yes. Our service team provides 24/7 emergency breakdown and call-out support UK-wide. Call 01429 836 161 for immediate assistance.
Which areas of the UK does EJM cover?
EJM operates UK-wide including Northern Ireland, with regional offices in Durham, Derby, Ashford (Kent) and Glasgow. We have completed projects from Scotland to the South Coast.