Independent Refrigeration Consultancy & Engineering Design.

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Making Complex Refrigeration Projects Simpler

Clear thinking, robust design and practical engineering advice. ODA understood our operational priorities immediately.

We are a leading independent engineering consultancy specialising in refrigeration, HVAC and mechanical and electrical design across retail, industrial and public sector projects throughout the UK and Europe.

Almost 30 consultants and design engineers
Supporting projects from concept to delivery
Trusted by major organisations including Sainsbury’s, Amazon and Bidfood

We work with clients across a wide range of applications, from retail to large-scale distribution, cold storage and food manufacturing facilities, delivering commercially focussed and energy-efficient solutions from the earliest stages of a project.

What Makes Us Different

We don’t just design refrigeration systems. We help clients make the right decision from the outset.

Independent Advice you Can Trust
As an independent consultancy, our recommendations are based on what’s right for your project, balancing performance, compliance and long-term operational impact.
Early Involvement that Reduces Risk
We are often engaged before key decisions are fixed, helping clients avoid costly changes later by identifying the right approach early in the project.
Designed to Work in Practice
Our solutions are shaped by real-world operation – ensuring systems perform reliably, efficiently and are straightforward to maintain.

Talk to Us Early

Latest News & Insights

We share practical insights, project experience and industry updates to help you navigate the evolving landscape of refrigeration engineering.

4 days ago Distribution & Cold Storage

Why BIM Matters: Delivering Better Outcomes Through Coordinated Design

BIM is a way of creating a detailed digital model of a building and its systems, helping to identify potential issues and develop solutions early.

1 week ago Distribution & Cold Storage

Welcome to Noah Fitch to ODA

We are delighted to welcome to Noah Fitch as a Trainee Applications Engineer.

1 year ago Public Sector

Refrigeration & HVAC Design Support – PRV Line Sizing

In the first of our design insights, we want to focus on the Heat Pump market, which is a rapidly growing sector.

1 year ago Public Sector

Refrigeration & HVAC Design Support – Energy Reports

ODA have a great deal of experience in producing energy reports for our customers for existing systems, which we are able to call upon.

7 months ago Commercial & Retail

Retail Refrigeration Design and Consultancy in Wynyard

We have just completed works on a new 30K Sainsbury’s store in Wynyard where ODA was brought on board as the design consultants for the proposed R744 CO₂ refrigeration systems.

5 months ago Distribution & Cold Storage

Leading UK Food Wholesaler Appoints ODA as Lead Refrigeration Consultants

We are pleased to announce that we have been appointed as the main refrigeration consultants for a leading UK food wholesale in Wales.

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