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

Jones Celtic BioEnergy awarded contract by Severn Trent Green Power

Following a competitive tender process, Jones Celtic BioEnergy (JCBE) was awarded a contract to design, build and commission a bio-waste anaerobic digestion (AD) facility...

We are holding walk-in interviews this March

We will be holding walk-in interviews on Monday 6th & 13th March 2017 for Mechanical and Electrical Contracting Professionals.

Dublin, Ireland Monday 6th & 13th March 2017 6:00pm –...

Milton Keynes Waste Recovery Park – JCBE Dry AD Facility Successfully Completed

The Milton Keynes Waste Recovery Park (MKWRP) is part of Milton Keynes Council’s drive to achieve the 2020 goals set by the European Union...