Boiler Installation in Kilkenny
Looking for a plumber to install a new boiler in Kilkenny? The directory below lists local plumbers and RGI registered gas installers in Co. Kilkenny who carry out boiler installation and replacement. Gas boiler work in Ireland legally requires an RGI registered installer under the Gas (Interim) (Regulation) Act 2002. Browse the listings and contact them directly to get quotes.
Plumbers in Kilkenny for boiler installation
Shaun Docherty
Co. Kilkenny
0851220608
Kenny Heating & Plumbing
Piltown
086 1043018
Sean McCarthy
Stoneyford
087 2625357
P Kearney Heating & Plumbing
Callan
086 8414650
Hi-Line Energy Solutions Ltd
Piltown
086 3808066
HPH Plumbing LTD
Greenshill
0852510546
MA Services
Kilmacow
087 2323183
SC Energy, Gas & Renewables Limited
Thomastown
087 1614841
Irish Gas Management
Piltown
087 2112446
Ian Fitzpatrick
Callan
087 7536163
RD plumbing
Castlecomer
083 1811148
Environmental Heating Systems Ltd
Johnstown
087 7431827
Andy Smith
Hebron Road
0831221068
Progas
Kilkenny
087 9907237
Grogan Burner Services LTD
Kilkenny
087 6341300
Smart Gas Ltd
Co. Kilkenny
Hiline Energy Solutions
862561732
Richard McMahon Plumbing & Heating Ctr
872549564
M & D Fennelly Ltd
872539234
Shamrock Plumbing & Heating
879922920
Showing 20 of 22 plumbers in Kilkenny. See all 22 listings.
What boiler installation in Kilkenny involves
Boiler installation in Kilkenny covers the full process of removing an existing boiler and fitting a new gas, oil or heat pump unit. A qualified RGI registered gas installer must carry out all notifiable gas work under the Gas (Interim) (Regulation) Act 2002, which includes the connection and commissioning of any new gas boiler. This means checking for gas, registering the installation with Gas Networks Ireland and issuing a completion certificate. Most residential boiler installations in Co. Kilkenny take between four and eight hours depending on whether pipework needs to be relocated or upgraded.
New boilers in Ireland are typically condensing combination boilers for properties with mains gas, or oil-fired condensing boilers for areas outside the gas network. Heat pump installations are becoming more common in Kilkenny following SEAI grant support of up to €10,500 for air-to-water systems. Any boiler replacement in a home built before 2006 should include a system flush to remove sludge and debris before the new unit is connected, protecting the warranty and improving efficiency from day one.
How much does boiler installation cost in Kilkenny?
| Job type | Typical cost in Kilkenny |
|---|---|
| Combi boiler replacement (supply and fit) | €1,800 to €2,800 |
| Oil boiler replacement (supply and fit) | €2,000 to €3,500 |
| Air-to-water heat pump installation | €8,000 to €15,000 |
| Annual boiler service | €80 to €140 |
| Power flush before new boiler | €250 to €450 |
| System upgrade (pipework, radiators) | €500 to €2,000 extra |
Boiler installation costs in Kilkenny depend on the fuel type, boiler brand and whether additional work is required such as a power flush, system upgrade or flue relocation. Labour costs in Dublin and the greater Leinster area run €50 to €100 per day higher than rural counties. Supply-and-fit packages from local Kilkenny engineers typically include the boiler, all fittings and RGI certification in a single quote.
SEAI grants significantly reduce the net cost of heat pump installations. As of 2026, the Better Energy Homes grant for an air-to-water heat pump is €10,500, and homes that also upgrade insulation may qualify for the One Stop Shop grant of up to €25,000. Ask any Kilkenny gas installer you contact whether your home meets the qualifying criteria before committing to a heat pump over a like-for-like boiler replacement.
How boiler installation works in Kilkenny: step by step
Survey and quote
A qualified gas installer visits your Kilkenny property to assess the existing system, flue route, gas meter capacity and boiler location. They check the condition of the pipework and radiators and advise on whether a power flush is needed before the new boiler is connected. A written quote is provided covering supply, installation, all fittings and RGI certification.
System preparation and flush
Before the new boiler is installed, the existing system is flushed to remove sludge and magnetite that has built up over the years. Most boiler manufacturers in Ireland require evidence of a clean system for the warranty to be valid. A magnetic filter is typically fitted to the return pipe at this stage to protect the new boiler from future contamination.
Boiler removal and installation
The existing boiler is drained, disconnected from the gas supply and removed. The new boiler is positioned, all pipe connections are made, the flue is fitted and the gas connection is made by the RGI registered installer. This stage takes between three and six hours depending on access and the complexity of the pipework layout in your Kilkenny property.
Commissioning and RGI certification
The completed installation is pressure tested, purged of air and fired for the first time. The engineer checks gas pressure, combustion readings and heat distribution to all radiators before signing off. A completion certificate is issued and the installation is notified to Gas Networks Ireland. You receive written documentation of the RGI certification, which is required for insurance and warranty purposes.
RGI registration and legal requirements for boiler installation in Kilkenny
All gas boiler installations in Kilkenny must be carried out by an RGI registered gas installer. The RGI scheme is administered by Gas Networks Ireland and is the only legally recognised certification for notifiable gas work in Ireland. Homeowners who allow unregistered persons to carry out gas work void their home insurance and may face prosecution under the Gas (Interim) (Regulation) Act 2002. You can verify any installer's RGI number at rgi.ie before booking.
Oil boiler installation in rural parts of Co. Kilkenny is governed by the Building Control (Amendment) Regulations. Works on the heating system that alter the heat source may require a Commencement Notice depending on scope. Your installer will advise whether the project falls within exempted development. For heat pump installations, SEAI One Stop Shop providers handle all paperwork and grant applications as part of the service.
How to choose a boiler installation plumber in Kilkenny
Verify RGI registration before booking
Any engineer carrying out gas boiler installation in Kilkenny must be RGI registered. Ask for their RGI number before booking and verify it at rgi.ie. An unregistered person carrying out gas work is breaking the law regardless of experience or qualifications claimed. Your insurer will not cover incidents caused by unregistered gas work.
Get at least two itemised quotes
Boiler installation costs in Kilkenny vary between engineers. Ask for itemised quotes that separate the cost of the boiler unit, labour, power flush and any system modifications. This makes comparison straightforward. Be wary of quotes that are significantly below market rate — these often exclude the boiler brand quality, RGI certification or post-installation commissioning.
Ask what warranty covers the installation
Most boiler manufacturers offer five to ten year parts warranties conditional on annual servicing. Ask your Kilkenny engineer what warranty comes with the unit and whether the installation labour is also warranted. Some engineers offer a two-year labour warranty on top of the manufacturer's parts warranty, which protects you from call-out charges on any installation-related faults in the early years.
Check reviews and completed RGI notifications
Ask any Kilkenny boiler installer for references from recent installations in the county. Google reviews from local customers are the most reliable indicator of quality. An engineer who consistently delivers on time, provides RGI documentation promptly and responds to post-installation queries will have reviews that reflect this. Avoid engineers with no reviewable history or those who cannot provide documentation of previous RGI-certified installations.
Boiler installation in Kilkenny: frequently asked questions
Do I need planning permission for a new boiler in Kilkenny?
In most cases, no. A like-for-like boiler replacement is generally exempted development in Kilkenny and does not require planning permission. External works such as fitting a new oil tank in a visible location may have minor restrictions. Your installer will advise if any notification is required for your specific property.
How long does boiler installation take in Kilkenny?
A standard combi boiler replacement in a Kilkenny home takes between four and eight hours. More complex jobs such as converting from oil to gas or installing a heat pump with underfloor heating can take one to three days. Most RGI registered gas engineers in Kilkenny complete a standard swap in a single working day.
What RGI certification should I receive after boiler installation in Kilkenny?
After any gas boiler installation in Kilkenny, your RGI installer must provide a completion certificate. This proves the installation was carried out by a registered professional and is essential for home insurance, future property sales and warranty claims. If you are not offered a certificate, ask for one before paying.
Is a heat pump better than a gas boiler in Kilkenny?
Heat pumps are most cost-effective in well-insulated homes with underfloor heating or large radiators. If your Kilkenny home has a BER rating of C or better and you qualify for the SEAI grant, a heat pump can pay back within 7 to 12 years. For older, poorly insulated properties, a high-efficiency condensing gas boiler is often the more practical short-term option.
What boiler brands do engineers in Kilkenny typically install?
The most commonly fitted boiler brands in Ireland are Worcester Bosch, Viessmann, Vaillant, Baxi and Ideal. Local Kilkenny engineers often have preferred suppliers and may offer better warranty terms on brands they stock regularly. Always ask what warranty covers both the unit and the installation labour before committing.
Can I get a grant towards boiler installation in Kilkenny?
SEAI grants are available for heat pump installations, not for like-for-like gas or oil boiler replacements. If you are switching from oil to a heat pump in Co. Kilkenny, the Better Energy Homes scheme covers up to €10,500 and the One Stop Shop scheme covers up to €25,000 for a full energy upgrade bundle. Ask your Kilkenny installer about eligibility before deciding on a system.
Find a plumber in Kilkenny
Browse the full directory of local plumbers in Co. Kilkenny and contact them directly.