Mechanical Services
Multi-Unit Residential Development
Residential
Full plumbing and heating installation across a multi-unit residential development.
Mechanical
Decarbonisation
Maintenance
Dominic O'Connor Ltd
Mechanical engineering, HVAC and decarbonisation specialists delivering across Ireland's education, healthcare, commercial, industrial and residential sectors since 2002.
091 880 340
20+
Years Experience
Established 2002
3
Offices Nationwide
Loughrea · Cork · Dublin
5
Sectors Served
Education, Healthcare, Commercial, Industrial, Residential
100%
In-House Teams
Directly employed operatives
●HVAC & Ventilation
●Compressed Air Services
●Commercial Heating
●Chilled Water Services
●BMS & Control Systems
●Medical & Specialist Gases
●Sprinkler & Fire Suppression
●Design & Build
01 — CORE SERVICE
Mechanical Services
Specialist mechanical engineering contracting with a strong track record delivering complex commercial, healthcare, industrial and education projects across Ireland — from design through installation and commissioning.
- HVAC Design & Installation
- Plumbing & Pipework
- Ventilation Systems
- BMS & Control Systems
02 — CORE SERVICE
Decarbonisation
Supporting Ireland's transition to more sustainable, energy-efficient buildings through retrofit and low-carbon upgrade solutions across healthcare, education and commercial sectors.
- Heat Pump Installation
- Building Fabric Upgrades
- Energy Retrofits
- Solar Panel Installation
03 — CORE SERVICE
Maintenance
An eminent maintenance division specialising in a full range of mechanical services, keeping systems performing across hospitals, pharmaceutical plants, hotels and commercial buildings.
- Industrial Maintenance
- Planned Preventive Maintenance
- Reactive Call-Out
- Compliance Reporting
Our Work
Selected Projects
A selection of our completed mechanical services, decarbonisation and maintenance projects.
Mechanical Services
Commercial Building Services
Commercial
Design and installation of commercial heating, gas and controls systems.
Maintenance
Food & Beverage Facility Services
Commercial
Mechanical services and maintenance support for a food production facility.
Mechanical Services
Commercial Office Mechanical Fit-Out
Commercial
Full mechanical services fit-out for a commercial office development.
Who We Are
Engineering Expertise. Practical Solutions.
Dominic O'Connor Ltd has been delivering mechanical engineering solutions since 2002, improving building performance, reliability and efficiency across Ireland.
From schools and healthcare facilities to commercial and industrial environments, we combine technical expertise with practical delivery, working across design, installation and complete project management from initial planning through to completion.
Mechanical
Decarbonisation
Maintenance
About Us
Sustainability
Ireland's Decarbonisation Journey
We're proud to play a part in Ireland's transition to net-zero buildings, delivering the technical expertise that makes buildings cleaner, warmer and cheaper to run.
- Building fabric upgrades and energy retrofits for existing buildings
- Air source and ground source heat pump installations
- Low-carbon heating solutions for public and private sector clients
- Solar panel installation and BMS-driven efficiency improvements
Careers
Build Your Future With Us
We're always looking for talented engineers, tradespeople and managers who want to work on meaningful projects across Ireland.
View CareersGet In Touch
Let's Discuss Your Next Project
Whether it's a new build, a retrofit or a maintenance contract, our team is ready to help you find the right solution.
Contact Us 091 880 340