RGI-registered installers · Galway
Boiler Installation in Galway: Gas, LPG and Oil
Find a registered installer for combi boiler installation, system boiler replacement or an oil boiler swap across Galway. 2026 prices, SEAI grant guidance and RGI-registered installers from Galway City to Oranmore.
Boiler installation in Galway
Galway county covers a wide range of property types and fuel sources, from the dense urban environment of Galway city to highly rural areas of Connemara where mains gas is not available. The natural gas network covers Galway city and some surrounding towns, but much of Connacht remains outside the gas grid. Installers in Galway city typically focus on natural gas work, while those operating in Connemara, South Galway and the islands often need LPG certification for rural properties.
Galway city has seen rapid growth with large new residential developments alongside older Victorian and Edwardian housing stock. County Galway outside the city is largely rural with many older cottages and farmhouses that have been extended or renovated, often with mixed generations of plumbing work.
The law
Boiler Installation in Galway: What the Law Requires
Boiler installation in Galway must be carried out by an RGI-registered gas installer for any boiler running on natural gas or LPG, a legal requirement under the Energy (Miscellaneous Provisions) Act 2006. An unregistered installer cannot certify the work, your home insurance may be invalidated, and the job may not be accepted towards a BER certificate.
The installers listed here cover the whole county, taking in Galway city, Oranmore, Athenry, Tuam, Ballinasloe, Loughrea, Clifden and Salthill. Every one is drawn from the RGI public register.
- RGI registration is a legal requirement for all gas and LPG work
- Every installer here is drawn from the RGI public register
- A gas safety certificate is issued to you on completion
How Long It Takes in Galway
A like-for-like combi swap takes one working day. Switching boiler type takes two days, while heat pumps take two to three.
SEAI Grants for Galway Homes
Up to €12,500 for heat pump installation and €1,200 for solar water heating, through SEAI-registered contractors.
The options
Choosing Between Gas, LPG and Oil in Galway
Galway city and nearby areas including Oranmore and Athenry are on the Gas Networks Ireland supply, while rural Connemara and much of the county relies on LPG or oil heating where mains gas is unavailable.
Combi Boiler
Heats water on demand with no cylinder needed. Ideal for homes under 130 sq m and popular in Galway City and the larger towns on the gas network.
from€2,200
Oil Boiler
A mainstay outside the gas-connected towns of Galway. Modern condensing oil boilers are over 90% efficient. SEAI grants apply when replacing with a heat pump.
from€3,000
System Boiler
Works with a hot water cylinder. Better for larger homes with multiple bathrooms and high hot water demand, and suits solar water heating.
from€2,800
2026 prices
Boiler Installation Cost in Galway 2026
Typical like-for-like ranges across Galway. All figures include labour and VAT.
- Switching boiler type adds €400 to €800 for pipework changes
- A named boiler model on the quote protects your warranty
- An annual service keeps the manufacturer guarantee valid
Galway water quality has historically been an issue in parts of the county, with some areas on groundwater supplies prone to seasonal contamination. The Corrib-sourced city supply is good quality but soft, meaning less limescale buildup than in harder-water counties.
- Combi boiler €2,200–3,200
- System boiler €2,800–4,000
- Oil boiler €3,000–4,500
- Fit only (labour) €600–900
- Annual service €80–120
Indicative 2026 ranges. Always confirm with a written quote before work begins.
SEAI grants
SEAI Grants for Galway Heating Upgrades
Grants are available for heat pump installation (up to €12,500) and solar water heating (€1,200). Standard gas combi replacements do not qualify directly, and the work must be carried out by an SEAI-registered contractor before any grant is claimed.
A fabric-first upgrade makes the biggest difference to running costs, and SEAI-registered insulation contractors covering Galway are listed at wallinsulationireland.ie.
See SEAI-registered plumbersHiring
How to Hire a Boiler Installer in Galway
Every gas boiler installer in Galway must hold RGI registration. Here is how to verify and hire correctly.
Browse Registered Gas Installers in Galway
Every engineer in the Galway gas installer directory is RGI-registered, drawn from the public register. Browse the county, find installers near you and contact them directly. You can verify any registration number at rgi.ie for extra peace of mind.
Get Three Written Quotes for the Work
Quotes should specify the boiler model, labour cost, flue materials and any pipework changes. A quote without a named boiler model is incomplete, as the specification affects warranty terms, SEAI grant eligibility and long-term running costs.
Confirm SEAI Registration if Claiming a Grant
RGI and SEAI are two separate registers. RGI registration is mandatory for all gas work in Ireland, while SEAI registration is required only for grant-eligible jobs. Your installer must be on both lists before any SEAI-funded work begins.
Request Your Gas Safety Certificate
Your installer must provide a gas safety certificate on the day the work is completed. Keep it with your home insurance documents and BER certificate, because without it the gas work is unverifiable and will affect a future sale.
Local coverage
Boiler Installation Across Galway: Areas Covered
Galway faces the full force of Atlantic weather, with the highest rainfall in the country in the western parts of the county. Exposed pipe runs on west-facing walls are a known vulnerability, and outdoor taps and garden connections need annual winterisation.
Galway city's construction boom has driven strong demand for new-build plumbing and heating fit-outs, while the rural county generates consistent demand for boiler replacements and oil-to-heat-pump conversions under SEAI schemes.
Every area above is served by registered engineers in the Galway gas installer directory.
Common questions
Boiler Installation in Galway: Common Questions
How much does boiler installation cost in Galway in 2026?
A combi boiler supply and fit costs €2,200 to €3,200 in Galway for a like-for-like replacement. A system boiler is €2,800 to €4,000, and an oil boiler €3,000 to €4,500. Switching boiler type adds €400 to €800 for pipework changes. Figures include labour and VAT.
Do I need an RGI-registered installer in Galway?
Yes. All gas and LPG boiler installation in Galway requires an RGI-registered gas installer by law. An unregistered installer cannot certify the work, your home insurance may be invalidated, and the installation may not be accepted towards a BER certificate.
How long does a boiler installation take in Galway?
A like-for-like combi boiler replacement takes one working day. Switching boiler type takes two days and requires additional pipework. Heat pump installations take two to three days.
Is there an SEAI grant for a new boiler in Galway?
A standard gas boiler swap does not qualify for a direct SEAI grant. Grants apply to heat pump installation (up to €12,500) and to insulation upgrades carried out at the same time. Galway homeowners in homes built before 2011 are eligible to apply.
Can I get a gas boiler if my Galway home is not on the gas network?
Yes, in most cases. Homes in Galway outside the natural gas network can run a combi or system boiler on LPG supplied from a tank, and the same RGI registration rules apply to LPG work as to natural gas. Your installer will size the tank and pipework to the property.
How do I find a registered boiler installer in Galway?
Browse RGI-registered gas installers across Galway on plumbersinireland.ie, drawn from the RGI public register, then request quotes directly. Always confirm current registration at rgi.ie before work begins.
Get Boiler Installation Quotes in Galway
Boiler installation in Galway, from combi swaps to oil replacements and heat pumps, matched to RGI-registered installers near you. Free, no obligation, reply within 24 hours.
Browse Galway gas installers