Mechanical

H A O’Neil is Irelands largest and most experienced Mechanical HVAC and Process Piping Contractor, serving the construction industry for over 125 years.

We provide the following services throughout Ireland, UK, Europe and the Middle East.:

  • HVAC Installation
  • Process Pipework Installation
  • Plant and Tool Hook-Ups
  • Process Plant Erection
  • High Pressure Steam
  • Water Treatment
  • Refrigeration
  • Ventilation
  • Medical Gases
  • Specialist Rigging
  • Commissioning of Building Services
  • Maintenance of Building Services
  • Design
  • High Corrosion Installation
  • Air Conditioning
  • Heating
  • Plumbing
  • Gas Installation

 



Latest News

Derby AD plant gets the green light

Last year, following a competitive tender process, Jones Celtic BioEnergy (JCBE) was awarded a contract to design, build and commission an advanced anaerobic digestion...

We’re making Utrecht our new home, are you ready to make Jones Engineering your new home?

Join our team today!

 

Due to continued expansion of operations in mainland Europe we are opening an office in Utrecht. We will be recruiting the...

Jones Engineering Group accredited to ISO 9001:2015 standard

The 2018 Surveillance Audit of the Jones Engineering Group QA Management system was carried out by NSAI/ICQ against the requirements of the new 2015 standard. The...