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

Field of Dreams, Cork

On Friday 26th & Saturday 27th May 2017, a team of 20 staff volunteers from our own O’Shea’s Electrical worked with staff volunteers from...

Jones Engineering Group awarded oil field commissioning works in Abu Dhabi

Jones Engineering Group have been appointed as the specialist commissioning works contractor on the UZ-750 Project, West Island facility of the Upper Zakum Offshore...

Cork CIF calls out for Construction Workers

This year will see 1,500 new jobs created in the Construction sector in Cork. This is not hard to believe with 1,900,000 square foot...