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

Are you ready? Walk In Interviews in London

Following the success of our Walk in Interviews on the 24th April we are delighted to announce a second date!

 

We are holding Walk in...

Company Announcement

We are delighted to announce that we have formed a new entity; Jones Engineering Group Acamar Bahrain Co. W.L.L.

The board and management are pictured...

Project Safety Role Model

Congratulations to our Electrical Team on the Tine site who were awarded Project Safety Role Model for their constant contribution to safety!

They excelled in...