Oakray - Designed, Installed, Managed, Maintained | Enfield, North London

Commercial Heating and Ventilation

Heating and
Ventilation Services

Providing a comprehensive range of heating and ventilation (HVAC) solutions to local authorities, registered social landlords and commercial properties for over 40 years, Oakray is one of the leading specialist commercial heating contractors in the London region.


Our experienced and highly qualified engineers and project managers offer a complete service, from design and installation, through to planned maintenance and emergency repairs. Tailored to your needs, each project is carefully planned, managed and delivered, to ensure best practice and excellent value. We also offer planned preventative maintenance and a full reactive and repair service including round-the-clock call-out. Our commercial heating services include:

• Combined Heat and Power (CHP) systems

• Air conditioning and ventilation systems BMS systems

• Asset surveys, provision of asset registers and condition surveys

• Boiler maintenance (including gas, oil, solid fuel and biomass)

• Statutory maintenance, testing and certification

District Heating

Experts in the design, installation and repair of District Heating plant rooms, and pre-insulated mains pipe-work, Oakray provides a comprehensive service for this efficient and environmentally superior system for distributing heat generated in a centralised location. Providing higher efficiencies and better pollution control than localised boilers, the heat is often obtained from cogeneration plant burning fossil fuels or biomass as well as incorporating Combined Heat and Power (CHP) and Tri-Generation. Our District Heating Systems services include:

• Pre-insulated pipe-work installation

• Fluid leak detection systems

• Combined Heat and Power (CHP) and Tri-Generation systems • Gas, oil, solid fuel and biomass boiler installations

• Wet heating systems

• Hydraulic interface units (HIUs)

• Planned maintenance, full reactive repairs and emergency call out service



Our expertise in all types of renewable energy enables us to offer tailored strategies to help you reduce your carbon emissions, cut costs and ensure compliance with relevant government energy legislation. Our comprehensive range of renewable energy services includes:

• Air source heat pumps

• Ground source heat pumps

• Solar thermal heating systems

• RecoVAIR systems

• Full design and specification service


of Mind

Our commitment to quality and pride in the job ensures that every project is completed to the highest industry standards. All our engineers and technicians are fully qualified and CRB checked. Oakray Ltd is fully accredited by CHAS (Contractors Health and Safety Assessment Scheme), the British Safety Council, the Royal Society for the Prevention of Accidents (ROSPA) and Constructionline, and we are also registered to ISO 9001 and ISO 14001.

Why Choose Us?

  • Highly experienced and fully qualified installation teams
  • Round the clock support for emergencies
  • Preventative maintenance for your business critical plant and equipment
  • Cost-effective and energy efficient solutions tailored to your needs


H & V Awards finalists for 2016 District Heating Project of the Year

Installing New Technology Today, for Tomorrow’s world

For further information telephone 020 8370 4500