Fergal Warren Mechanical Contractor

Heating &
Plumbing

From large commercial heating installations to a new boiler in your home, Fergal Warren Mechanical brings over 25 years of hands-on experience to every project.

What We Do

About

Reliable Heating & Plumbing, Delivered to the Highest Standard

We design, supply, install, commission, and maintain heating and plumbing systems that perform — day in, day out.
Whether you are a building contractor, a facilities manager, or a homeowner, you can count on us to deliver on time, on budget, and to specification.

Why Choose Us

What We Do

What We Do

Commercial & Industrial Heating Systems

We install and commission complete commercial heating systems across Ireland, covering everything from district heating networks and pressurisation units to heat interface units and multi-zone heating controls. Our teams are experienced working across live sites in healthcare, education, hospitality, and industrial environments.

Boiler & Plant Room Installations

Our engineers plan, install, and commission boiler plant rooms to the highest industry standards. We work with gas, oil, and renewable heat sources, ensuring systems are fully tested, documented, and handed over with all relevant certification. Every installation is carried out in compliance with current Building Regulations and Irish Standards.

Domestic Heating Systems

We carry out full heating system installations, replacements, and upgrades for homeowners across Co. Clare and the surrounding counties. Whether you need a new gas boiler, an oil condensing system, or an upgrade to underfloor heating, our team will advise you on the best solution for your home and carry out the work neatly and efficiently.

Underfloor Heating

We install wet underfloor heating systems in both new build and retrofit applications, providing even, efficient heat distribution throughout the building. All systems are pressure tested and fully commissioned before handover.

Plumbing & Pipework

Our plumbing teams carry out full mechanical plumbing installations including domestic services pipework, above and below ground drainage, sanitary ware installation, hot and cold water systems, and pressurised water systems. All pipework is installed, tested, and certified in line with current standards.

Maintenance & Servicing

We offer ongoing maintenance contracts and reactive callout services for both commercial and domestic clients. Regular servicing extends system life, improves efficiency, and keeps your warranties valid.

Contact Us

Why Choose

Fergal Warren Mechanical

  • Over 25 years experience in commercial and domestic heating and plumbing
  • ISO 9001 certified quality management
  • Experienced, time-served engineers on every job
  • Full compliance with Irish Building Regulations and relevant
  • Irish Standards
  • Fully equipped service vehicles for fast response
  • All works fully documented and certified on completion
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Client Feedback

Don’t Just Take
Our Word For It

“Moloney Fox Consulting have worked successfully with Fergal Warren Mechanical Contractors for over 15 years. We have completed several significant Mechanical Services projects with them, including EI Production facility in Shannon, Edward Life Sciences Metals Facility in Shannon, Penn Engineering Production Facility in Galway and more recently Keane’s Jewellers Luxury Retail Store in Limerick. Moloney Fox Consulting have always found Fergal Warrens to be a very professional and competent Mechanical contractor. They are always proactive on site and install Mechanical Services installations to a very high standard. They take pride in the quality of their work and service. We would have no hesitation in appointing or recommending Fergal Warren Mechanical Contractors on any project or to any client.”

Matt FoxDirector

“Martins Construction Ltd have engaged Fergal Warren Plumbing & Heating Contractors on several projects, most recently the Mechanical Installation Services in Scoil Pol in Kilfinane,
Co Limerick. This project was carried out in a live school environment and with extensive mechanical input. Their work is always completed to a high standard and within the project schedule and budget. We look forward to working with Fergal and his team again
on future projects.”

Martins Construction Ltd

“Fergal Warren Plumbing & Heating Contractors Ltd demonstrated strong technical knowledge, professionalism, and attention to detail while installing heating and plumbing systems that integrated seamlessly with our Building Management System. Communication was clear throughout several projects, and the works were delivered efficiently and to a high standard.

ABS Engineering Control Systems Ltd look forward to working with Fergal Warren Plumbing & Heating Contractors Ltd in the future for heating and plumbing works associated with BMS-controlled building services.”

Tom DeasyService Director

“Fergal Warren Mechanical recently completed a multidisciplinary mechanical & utility services installation for us at BCD Engineering Ltd., Charleville, Co. Cork. The material types and installation methodologies chosen were tailored for each utility type, resulting in a cost effective and time efficient installation. Their ability to be innovative and think outside the box enabled the project to be expedited on time and within budget. I look forward to working with Fergal Warren Mechanical into the future.”

John RyanManaging Director, Harmony Project Management Ltd.

“Reliable, professional and easy to deal with from start to finish. The team delivered exactly what was promised and the quality of the installation was excellent.”

Project Manager

“Fergal Warren completed the full mechanical installation on our project in Thurles. Works were completed on schedule and any extra works were carried out with due diligence. I look forward to working with them again.”

Contracts Manager

“I have worked with Fergal and the team on several projects over the years. Work is always completed in a timely, professional manner and in full accordance with the scope of works.”

QS Director