Dominic O'Connor Ltd.

Dominic O'Connor Ltd. Since 1999, Dominic O’Connor Ltd.

has provided commercial and industrial engineering and construction services, specialising in HVAC, steam, water, air and heating systems, and decarbonisation through deep retrofit projects that cut carbon and improve BER

All work and no play is a terrible waste of a tuxedo !At the recent Irish Build and Design awards Dominic O’Connor Ltd w...
28/03/2026

All work and no play is a terrible waste of a tuxedo !

At the recent Irish Build and Design awards Dominic O’Connor Ltd was up for 3 awards, and whilst we didn’t bring the trophies home on this particular occasion, it was wonderful to celebrate the achievement of being nominated with our industry colleagues.

See you next year IBDA !

We had a welcome visit from Alex O'Grady Racing Driver recently, as he presented Dominic O'Connor with a team gift.We’re...
25/03/2026

We had a welcome visit from Alex O'Grady Racing Driver recently, as he presented Dominic O'Connor with a team gift.

We’re proud to sponsor his GB4 campaign this season.

Wishing him every success on the track...and in the upcoming leaving cert!

Loughrea's got talent !

Delighted to be attending TUI Athlone  in support of the Access to Apprenticeship programme.
27/02/2026

Delighted to be attending TUI Athlone in support of the Access to Apprenticeship programme.

All the team at Dominic O'Connor Ltd. were delighted to learn that our 2024/2025 Design & Build bundle of projects for t...
05/02/2026

All the team at Dominic O'Connor Ltd. were delighted to learn that our 2024/2025 Design & Build bundle of projects for the Longford and Westmeath Education and Training Board (LWETB) has made the finalist shortlist for the Environmental Impact Award at the upcoming Irish Building and Design Awards.

This D&B bundle comprised four separate schools, with the primary objective being the implementation of a suite of deep energy retrofit measures alongside renewable heating solutions across all four sites.

To ensure alignment with the Project Ex*****on Plan, the design was required to achieve the following performance targets:

51% reduction in overall carbon emissions

51% reduction in direct carbon emissions

50% reduction in primary energy demand

BER rating of B

Renewable heat contribution, minimum of 90% of the annual space heating demand to be met by renewable heat sources

The schools included in the bundle were:

Daingean NS,
Coláiste Naomh Cormac,
Mullingar Community College, &
An Grianán NS Moate.

Image 1 is a sleek gas powered boiler upgrade recently completed by us, sleek, quiet and energy efficient.Image 2 is wha...
01/02/2026

Image 1 is a sleek gas powered boiler upgrade recently completed by us, sleek, quiet and energy efficient.
Image 2 is what was replaced, the bin above is a huge tuft hopper! Amazing to see such engineering progress in operation, and it being implemented to such an incredibly high standard by Dominic O’Connor Ltd 👏🏼

18/01/2026

Today's the day ! 💥

We are flying the flags high for Loughrea Hurling Club this weekend ! ! Best of luck to the team as they take on Ballygu...
16/01/2026

We are flying the flags high for Loughrea Hurling Club this weekend ! !

Best of luck to the team as they take on Ballygunner in the All Ireland Club Final in Croke Park this Sunday 🤞👊

As 2025 winds to a celebratory close we at Dominic O'Connor Ltd would like to thank all our staff, suppliers, contractor...
22/12/2025

As 2025 winds to a celebratory close we at Dominic O'Connor Ltd would like to thank all our staff, suppliers, contractors and clients for what has been a busy and 'constructive' year !!

Wishing you all a wonderful Christmas, a peaceful and prosperous New Year, and a holiday filled with rest and good cheer.

THANK YOU ! MERRY CHRISTMAS !!

Our offices are closed from 19/12/25 to 05/01/26

At the recent All-Ireland Occupational Safety Awards on October 10th, Dominic O’Connor Ltd. were honoured with two award...
21/10/2025

At the recent All-Ireland Occupational Safety Awards on October 10th, Dominic O’Connor Ltd. were honoured with two awards that truly reflect our company ethos — a Higher Distinction in Safety Award and a Consistent High Achiever in Safety Award.

Pictured at the presentation are Dominic and Mary O’Connor.

A huge well done to all our site teams and our dedicated Health & Safety Department, whose ongoing commitment and professionalism ensure we maintain the very highest standards of safety across all our projects.

Dominic O’Connor Ltd are proud to share that we have been successfully recertified with the following internationally re...
03/09/2025

Dominic O’Connor Ltd are proud to share that we have been successfully recertified with the following internationally recognised standards:

✅ ISO 9001:2015 – Quality Management Systems
✅ ISO 45001:2018 – Occupational Health & Safety
✅ ISO 14001:2015 – Environmental Management Systems

We have proudly maintained these certifications for many years, and this recertification demonstrates our ongoing commitment to:

✅ Delivering quality and consistency on every project
✅ Safeguarding the health and safety of our people and partners
✅ Operating responsibly and sustainably to protect the environment

This achievement reflects the continued dedication of our entire team and the trust our clients place in us.

Pictured are Michelle Moylan, Padraic McDonagh & Marian Deely

Thanks to West Assured Ltd, our certification partners

Best wishes to DOC Mechanicals own Thomas Murray and his Tulsk team mates who compete in the Hannon Hotel Division 5 Lea...
10/07/2025

Best wishes to DOC Mechanicals own Thomas Murray and his Tulsk team mates who compete in the Hannon Hotel Division 5 League Final this coming Saturday. The team are already celebrating winning the Donnellan & Co Division 2 O'Gara Cup last Sunday, having beaten Eirog in the final in a scoreline of 1-17 to 12 points.

Congratulations and best of luck !

Kilbride B and Tulsk Lord Edward’s B will contest the Hannon’s Hotel Division 5 Football League Final on Saturday in Strokestown.

Tickets should be purchased in advance ➡️ bit.ly/3vZtKpB

💳 Card facility will be available at the venue.

❗️Strictly no cash

Address

Eastpoint Business Park
Loughrea
H62Y880

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+35391880340

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