Exyte Hargreaves is the UK’s best and most experienced contractor for HVAC systems. On projects where safety critical HVAC systems are commonplace, we deliver from concept to commissioning.

Our experience in the delivery of specialist Heating, Ventilation and Air Conditioning systems is unrivalled and built on a commitment to Safety and Quality.

Energy Sector

Since the introduction of nuclear power into the United Kingdom, we have played a key role in the construction and/or decommissioning of ventilation and containment systems, becoming a reputable brand across the sector.

Our business is both a supporter of and key contributor to the delivery of Great British Nuclear. We ensure a strong Nuclear Safety Culture runs at the heart of the business.

Sellafield, Dounreay, Hinkley Point, Keadby, Sizewell, Hunterston, Chernobyl. There is no domestic nuclear project within the past 70 years which has not benefitted from Exyte Hargreaves’ involvement.

Energy Sector Energy Sector
Defence Sector Defence Sector

Defence Sector

Our HVAC project work for Defence contractors has delivered some of the most sophisticated and highest classification HVAC systems in the country.

We are a core partner to the Ministry of Defence (MOD) and tier 1 defence supply chain businesses. Supporting the management and development of defence infrastructure.

Our specialist teams carry full security clearance and we can deploy DfMA and modularisation practices. Minimising time on site in safety critical environments.

Transport Sector

Innovator and Pioneer

Exyte Hargreaves has been an innovator and pioneer in transport infrastructure projects involving specialist HVAC installations for many decades.

Our capability in specialist HVAC covers highways and rail projects such as the Channel Tunnel, HS1, the M25 circular and now HS2.

We deliver complex engineering projects which includes Heated, Ventilation & Air Conditioning and full mechanical and electrical systems, including high integrity and tunnel ventilation systems and associated structural steelwork and civil engineering.

Transport Sector Transport Sector

"Our HVAC clients trust us to solve complex engineering challenges to the highest standards in some of the most challenging environments. No other specialist contractor can match up to our reputation for delivery and the scope of our track record."

Ryan Gorman

Operations & Business Development Director

Our Team & Careers

We are One Team, collaborating to deliver specialist HVAC projects from concept, to design, through manufacture and into site installation and commissioning.

Exyte Hargreaves is always ready to hear from experienced HVAC engineers and has a strong record of apprentice and graduate development within our specialist sectors.

Careers with Exyte Hargreaves
  • 70 years nuclear HVAC experience
  • 10 new apprentices in 2023
  • 1 HVAC team
Our Team & Careers


Discover some of the HVAC projects we’re proud to put our name to.

Uncover Exclusive News from our magazine “1872”


Uncover Exclusive News from our magazine “1872”

1872 is our online blog and digital magazine. We’ll bring you news and events from around the business, as well as thoughts and opinions on the topics resonating within our industry.