How much does a gas boiler service cost?

A gas boiler service starts from €125.

How much does a new gas boiler cost to install?

Gas boiler installations start from €2,199, depending on the boiler and the job. Every quote is free, written and valid for 30 days.

How quickly can you attend if I have no heating?

No heating is treated as urgent, and we aim to be there the same or next day.

Do I get a certificate after my boiler is installed?

Yes — every gas boiler installation includes a certificate of completion, confirming the work was carried out by a registered gas installer.

What boiler brands do you install?

We fit most brands sold in Ireland, including Viessmann, Grant, Joule, Bosch, Baxi, Glow-worm and Vaillant.

What warranty do I get on a new boiler?

You get a 12-month warranty on our workmanship, plus the manufacturer's own warranty on the boiler.

Are you thinking about switching from gas to a heat pump?

If you're considering moving away from gas, we also install heat pumps and help with SEAI grants as an SEAI registered installer.

Gas Boiler Installation & Servicing

Supply, installation and servicing of gas boilers for homes, carried out by RGI-registered engineers with a 12-month warranty on all work.

Call 01 265 9898 WhatsApp us Get a Free Quote

4.885 Google reviews

Same day installTo fit a new gas boiler

RGI registeredRegistered Gas Installer

12-month warrantyOn our work, plus the manufacturer’s

Gas Boiler Installation and Servicing

We supply and install new gas boilers, and service existing gas heating systems for homeowners across south Dublin. If you've no heating at all, we treat that as urgent and aim to be there the same or next day.

RGI-certified heating engineer adjusting gas boiler controls during a professional boiler service in Dublin

How We Carry Out the Work

All gas work is carried out under our RGI (Registered Gas Installer) registration, and you receive a certificate of completion on every installation.

Installations start from €2,199 and services from €125 — quotes are free, written and valid for 30 days, with no hidden costs. Every installation comes with a 12-month warranty on our work, plus the manufacturer's own warranty on the boiler. Call us to book a service or get a free quote for a new boiler.

DDV heating engineer adjusting a wall-mounted gas boiler during a boiler service or installation

Why choose us

Why homeowners choose DDV

RGI registered

All gas work is carried out under RGI (Registered Gas Installer) registration, as required by law in Ireland.
Around 50 gas boiler jobs a year

We carry out about 50 gas boiler jobs a year, across installations and services.

Pricing and booking

Gas boiler work: what to expect

What that covers

Supply and installation of a new gas boiler, usually done in about a day
Servicing of your existing gas boiler
A certificate when the work is complete, from an RGI registered installer
12-month warranty on our work, plus the manufacturer’s warranty on the boiler

Before we start

Installs and repairs can usually be booked in within 2 to 3 days, and routine services 2 to 3 weeks ahead. No heat is treated as urgent: same or next day. Quotes are free and valid for 30 days. The quoted price is the price, unless something unexpected is found during the job, such as rotted pipework, and that is discussed with you first.

What's included

Site visit and written quote

We assess the existing system and issue a free written quote before any work begins.
Supply and installation of new boiler

We supply from most brands sold in Ireland, including Viessmann, Grant, Joule, Bosch, Baxi, Glow-worm and Vaillant.
Commissioning and system check
Certificate of completion

Required by building regulations, the cert confirms the installation was carried out by a registered gas installer.
Manufacturer's warranty on boiler unit

The boiler carries the manufacturer's own warranty.

Customer Reviews

★★★★★
"Very happy with the service, from new installations to leak repairs and boiler maintenance. Dave is very reliable, easy to deal with and does a very tidy job"
Ronan Clerkinvia Google
★★★★★
"Couldn't recommend Dave and DDV Plumbing more. He's friendly, knowledgeable, and has the ability to explain plumbing in way that makes sense. He is always working hard to get the best out of ourheat pump and goes above and beyond what I expect of a call out."
Sarah Kellyvia Google
★★★★★
"Very prompt and effective service. Dave called on time and fixed a difficult to reach pipe leak under upstairs hotpress. Also fitted new kitchen mixer tap. Also gave advice re last boiler service (showing me the evidence) I would recommend DDV as I'm glad to have found a local plumber."
Brendan Flanaganvia Google

How it works

Call or Contact Us

Get in touch by phone — Dave answers calls himself when he can, and an AI receptionist takes your details on busy days so we can call you straight back.
Free Site Visit

Dave visits your property to assess the job, answer your questions, and take everything needed to put together an accurate quote.
Written Quote Issued

You receive a written quote, free of charge and valid for 30 days, with no hidden costs.
Job Booked In

Once you're happy with the quote, we agree a start date. Most work is booked for the following week, and heat pump installs usually start 3 to 4 weeks after booking.
Work Completed

We carry out the work as quoted, and if anything unexpected comes up, we talk it through with you before going any further.
Certified & Signed Off

You receive your invoice on the day, along with any relevant certification (gas work, heat pump report), and your 12-month workmanship warranty kicks in from completion.

Signs you need gas boiler installation & servicing

No heating or hot water

A complete loss of heating or hot water is treated as urgent, and we aim to be there the same or next day.
Boiler losing pressure or cutting out

Pressure drops and intermittent lockouts can point to anything from a minor component fault to a failing heat exchanger. An accurate diagnosis means you only pay for what the boiler actually needs.
Boiler due its annual service

Routine services are booked 2 to 3 weeks ahead and keep the system running efficiently and safely.