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

Colaiste An Chroi Naofa students pay us a visit

Transition year is a time when students are considering the options available to them in the future. We feel it is important that students...

Company Announcement
We are delighted to announce the appointment of Robbie Irvin as Operations Director of Patrick Lynch Ltd, an Electrical Division of Jones Engineering Group
CIF #BuildingEquality Campaign

Meet Eileen Faherty, currently our Lead Electrical Quantity Surveyor and #TeamJones since 1998. Eileen started out with us as an Electrical Apprentice. In this...