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★★★★★

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Stay Warm With a Trusted Gas Boiler Service in Dublin

Is your boiler struggling to heat your home? Our RGI registered gas boiler service in Dublin checks, cleans and tests your boiler so it runs safely and efficiently again.

Fill a form or contact us for a fixed quote before any work begins.

Get a Quote

No obligation. Fixed quote before any work starts.

Registered, insured and trusted across Dublin

What Our Gas Boiler Service Covers

An expert gas boiler service is a full safety and efficiency check, carried out to Irish Standard I.S. 813 (set by the NSAI). In about an hour, our RGI registered engineer cleans and tests every part that keeps your boiler safe and your bills down:

Burner & Pilot Cleaned

So your boiler starts reliably and heats without delay

Heat Exchanger Cleaned

Clears build-up that quietly raises your heating bills

Flue Gas Analysis

Confirms safe, clean and efficient combustion

Carbon Monoxide Check

Protects your family from a gas you can't detect

Gas Pressure Tested

Reset to the manufacturer's correct safe levels

Safety Cut-offs & Controls

Checked to confirm everything shuts down properly

Spot a fault? We’ll explain it clearly and give you a fixed quote before any gas boiler repairs. When we’re done, you’ll get your RGI safety certificate and inspection report.

Real Customers, Real Reviews

Rated 5-Star by Dublin Homeowners

EXCELLENT
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Based on 190 reviews
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michael dalton profile picture
michael dalton
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Great company I needed a radiator installed had two very nice young lads install it Graham and Leon both very polite and good at their job would highly recommend this company mick
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Shane O Neill profile picture
Shane O Neill
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Will definitely use again. Extremely professional. The job was arranged quickly after my first call. Very good communication from start to finish.
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Rachel Phillips profile picture
Rachel Phillips
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I had an emergency as my heating wouldn't turn on and no hot water,I ran cortech plumbing and they were out to me in half an hour and took them only five minutes to fix the problem,would recommend them to everyone,brilliant service,they also gave me a discount as I am a former customer.
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Patrick Wheatley profile picture
Patrick Wheatley
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Prompt,business like boiler service service,practical advice.
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Chris Mothersill profile picture
Chris Mothersill
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Friendly service fast and efficient
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Poliah Pramila profile picture
Poliah Pramila
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Monday 14th September 2026. I am extremely happy with the service I received from Cortech Plumbing & Heating. My boiler was leaking and there was a strong smell of gas,which was very concerning and worrying as well. They responded quickly...very professional and reassuring...they identified and dealt with the problem efficiently. Honestly I really appreciated their prompt response... knowledgeable and excellent customer service.. They were reliable and friendly...They also make sure that everything was sorted accordingly in a proper way. I would highly recommend Cortech Plumbing & Heating to anyone looking for a trustworthy and professional staff worker... I extremely appreciated their excellent service from start to finish..... Thank you all the great excellent staff worker.... Pramila
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Georgina Eastaugh profile picture
Georgina Eastaugh
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Massive thank you to Ben from Cortech who came for an emergency call out to find my wedding ring. Didn’t need any plumbing work thankfully as he found it in about 10 seconds by figuring out what had happened - a very logical approach. Left me feeling silly, but very grateful. Thanks so much!
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Sandra Carr profile picture
Sandra Carr
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Thank you so much for your fantastic work!! Ben is exceptional. Always comes out very fast after calling him. I’ve had him out a couple of times now and they are a great company to work with!
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Marian Miller profile picture
Marian Miller
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Very happy with service. Very Customer friendly. Ben a very pleasant and polite young man. Very happy with service. Diagnosed an issue we were pleased to be made aware of. Definitely would recommend this Company.
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Mark Cagney profile picture
Mark Cagney
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I had a shower unit locked open with water flowing for a couple of hours and needed a call out. Found Cortech on Google and rang them about 9.30 am on a Friday morning. The service man, a really helpful guy called Ben was here in 40 mins and sorted the problem immediately. He also helped me find a company who had a replacement unit and parts. From my initial call, to job completed ( including help with finding replacement unit ) took 45 mins. The speed and efficiency of the service, plus the really pleasant manner in which I was dealt with was a breath of fresh air. I would highly recommend Cortech Plumbing.
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How Much Does a Gas Boiler Service Cost in Dublin?

Most homeowners in Dublin pay between €100 and €140 for a standard gas boiler service. Where you land in that range depends on a few simple things:

  • Boiler type: combi, system or conventional units take different time to check
  • Age and condition: older or neglected boilers need more attention
  • Access: an awkward or boxed-in boiler takes longer to reach

At Cortech, you’ll always get a fixed quote before we start, with safety certification included and no hidden charges. The price we agree is the price you pay.

If your boiler needs more than a service, we have a solution. Our team will explain it plainly and quote you separately before doing any gas boiler replacement or repairs.

A quick service now saves the stress and the big bill later.

Why You Need an Annual Gas Boiler Service

Your Family's Safety

A poorly maintained boiler can leak carbon monoxide, a gas you can't see or smell. A yearly safety check finds the problem early.

Your Heating Bills

Over time, dirt builds up inside your boiler and makes it work harder to heat your home. A service clears it out, so your boiler uses less fuel.

Fewer Winter Breakdowns

Most boilers break down in the coldest weeks of the year. A service spots worn parts early and fixes them before they leave you with no heat.

Your Warranty

Most manufacturers ask for proof of a yearly service to keep your warranty valid. Miss it, and you could pay for the next repair yourself.

Landlord Compliance

By law, you must keep the gas appliances in your rental safe and in good repair. A yearly RGI service is the easiest way to stay compliant.

Cortech: Your Trusted RGI Registered Engineers in Dublin

In Ireland, only a Registered Gas Installer (RGI) can legally service your gas boiler. It’s the law under the Gas Safety regulations.

Every Cortech engineer holds a current RGI registration and carries an RGI ID card you can check on the spot. We service your boiler to Irish Standard I.S. 813, the national standard for domestic gas works set by the NSAI, and we’re fully insured with public liability cover on every visit.

We're More Than Just a Boiler Service

Boiler playing up? Pipe leaking? Radiators cold? Whatever the problem, Cortech sorts it all. One RGI registered team for your boilers, plumbing and everything in between.

How it Works

How Our Gas Boiler Service Works

It just takes 4 steps and one phone call to book your gas boiler service with Cortech.

Why Do Homeowners Trust Cortech Gas Boiler Services?

Service Areas

Where We Service Oil Boilers in Dublin

Based in Tallaght, our engineers cover oil boiler service, repair and replacement right across Dublin, north and south of the city. Find your area below.

FAQs

Frequently Asked Questions

How Much Does a Gas Boiler Service Cost in Dublin?

A standard gas boiler service in Dublin typically costs between €100 and €140, depending on your boiler and its condition. With Cortech you get a fixed quote before we start, safety certification included, and no hidden charges on the day.

Warning signs include banging or gurgling noises, radiators that stay cold, a yellow rather than blue flame, or rising heating bills. Any of these means it’s time to book. A yellow flame in particular can signal a carbon monoxide risk, so don’t wait.

An unserviced boiler runs less efficiently, costs more to run, and is far more likely to break down in winter. More seriously, undetected faults can leak carbon monoxide. You may also void your manufacturer’s warranty, leaving you to pay for repairs yourself.

Once a year. Annual servicing keeps your boiler running safely and efficiently, helps prevent winter breakdowns, and is usually required to keep your manufacturer’s warranty valid.

For landlords, yes. Under Irish law you must keep the gas appliances in a rented property safe and in good repair, and an annual RGI service is the simplest way to comply. For homeowners it’s strongly recommended, not legally required.

Only a Registered Gas Installer (RGI) can legally service a gas boiler in Ireland. Every Cortech engineer is fully RGI registered and carries an ID card you can check, so your service is always safe, compliant and properly certified.

Call us on (01) 963 6090 or fill in our online contact form. We respond within 2 to 4 hours and arrange a time that suits you.

Contact Us

Your Professional Gas Boiler Service in Dublin is One Call Away

Don’t wait for your boiler to quit on the coldest night of the year. Our RGI registered engineers take about an hour, leave your home clean, and hand you the certificate before they go. No hidden charges, ever.

Book your gas boiler service in Dublin today, fill in the form or call (01) 963 6090, and you’ll hear back within 2 to 4 hours.

Get a Quote

No obligation. Fixed quote before any work starts.