How Much Does a New Boiler Cost in Ireland in 2026?

We notice that “How much does a new boiler cost in Ireland in 2026?” is usually the first question people ask when a system fails. That sudden spike in fuel costs also prompts a lot of urgent calls to our office.

The answer is rarely a simple number.

Our team at Emergency Plumber Athlone installs heating systems across Westmeath, Roscommon, and East Galway every week. The costs in this guide reflect what homeowners in our area are actually paying in 2026.

Let’s look at the data, what it actually tells us about local pricing, and explore a few practical ways to respond.

The Quick Answer: How Much Does a New Boiler Cost in Ireland in 2026?

We find that a straightforward like-for-like replacement is the most common request. Swapping an old unit for a new one in the exact same location keeps labour costs down.

Boiler Type	Typical Total Cost (Supply + Install)
Gas combi boiler	€2,500 - €4,000
Gas system boiler	€3,000 - €4,500
Oil combi boiler	€3,500 - €5,000
Oil system boiler	€3,500 - €5,500

Our baseline prices include the boiler unit, a standard flue, basic controls, and full installation labour. These figures assume you have a basic swap with no major pipework changes required.

Breaking down what drives these specific numbers helps you budget more effectively.

Factors That Affect the Cost

1. Fuel Type: Gas vs Oil

We detailed this extensively in our oil boiler vs gas boiler comparison, showing that gas options are generally cheaper to purchase and install. Gas installations usually require less time because there is no oil tank or fire valve to worry about.

Our engineers often get asked about switching fuel types entirely. Moving from oil to gas involves a Gas Networks Ireland connection fee.

As of 2026, the flat rate for a new gas connection up to 15 metres is €249.70 including VAT. We recommend factoring this exact cost into your budget if you want to make the switch.

This specific connection fee can sometimes outweigh the initial savings of a cheaper gas unit.

2. Boiler Type: Combi vs System

We always explain the difference based on hot water demand. Combi boilers heat water directly from the mains without needing a separate hot water cylinder.

These compact units are highly efficient and perfect for smaller homes with one or two bathrooms. Our pricing reflects that combi installations are the cheapest option because they involve fewer components.

System boilers require a separate hot water cylinder, which is usually tucked away in an airing cupboard. We suggest system models for larger homes because they easily supply hot water to multiple taps simultaneously.

Feature	Combi Boiler	System Boiler
Hot water supply	On demand	Stored in cylinder
Suitable for	1-2 bathrooms	2+ bathrooms
Space required	Minimal	Cylinder cupboard needed
Typical extra cost	None	+€500-800 for cylinder

3. Boiler Brand and Quality

We constantly remind customers that not all boilers perform to the same standard. Premium brands cost more upfront but consistently deliver better build quality and lower running costs.

Our current top recommendation for durability is the Viessmann Vitodens 100-W range. This specific model features an Inox-Radial stainless steel heat exchanger that drastically reduces long-term corrosion.

We also frequently install the Worcester Bosch Greenstar 8000+ for larger homes needing serious hot water performance. Budget options are available, but they often lack these heavy-duty internal parts.

• Budget tier (€800-1,200 for the unit): Baxi, Ideal, Main
• Mid-range tier (€1,200-1,800 for the unit): Vaillant, Worcester Bosch (select models), Viessmann
• Premium tier (€1,800-2,800 for the unit): Worcester Bosch (top range), Vaillant ecoTEC exclusive, Grant (oil)

We see Grant and Firebird dominating the oil boiler market because they manufacture right here in Ireland. This local presence guarantees phenomenal support and rapid spare parts availability.

4. Installation Complexity

We consider a straight swap in the same location to be the most budget-friendly installation scenario. Many homes require more complex work to get the system running safely.

Our quotes adjust based on several specific installation factors:

• Relocating the boiler: Moving the unit to a different room adds €500 to €1,500 due to new pipework and flue routing.
• Converting from a regular boiler to a combi: Removing the hot water cylinder and cold water storage tank simplifies your setup but adds €300 to €700 in upfront labour.
• Scaffolding or difficult access: High walls requiring scaffolding add €200 to €400 to the total bill.
• Asbestos removal: Safe removal from older boiler cupboards by a certified contractor adds €300 to €800.

We always discuss these potential extra charges during your initial site survey.

5. Controls and Smart Thermostats

We include basic timer and thermostat controls in almost all of our standard installation quotes. Upgrading to a smart thermostat like Hive, Nest, or Climote adds €150 to €350 to the bill.

Our customers usually recover this extra expense quickly through 10% to 15% savings on their heating bills. Smart systems allow for precise temperature control directly from your phone.

We highly recommend adding zone controls to heat different floors independently. Building regulations now require this zoning for completely new heating installations.

Cost Breakdown: What You Are Actually Paying For

We find that a transparent breakdown helps homeowners understand exactly where their money goes. The list below outlines a typical mid-range gas combi installation.

Our pricing includes essential safety measures like a magnetic filter to protect the new components.

Item	Cost
Boiler unit (mid-range combi, e.g., Viessmann)	€1,200 - €1,600
Flue kit	€80 - €150
Magnetic filter (system protection)	€80 - €120
Condensate pipe and fittings	€30 - €60
Gas pipework and fittings	€50 - €100
Controls (programmer + thermostat)	€80 - €200
Installation labour (1-1.5 days)	€600 - €1,000
System flush/powerflush	€200 - €400
Gas safety certificate	Included
Commissioning and testing	Included
Total	€2,320 - €3,630

We add approximately €200 to €500 to the core unit cost for an oil boiler. You will also need to budget another €100 to €200 for necessary oil line and fire valve work.

SEAI Grants: Reducing Your Cost

We track the Sustainable Energy Authority of Ireland (SEAI) schemes very closely to help clients save money. A massive update took effect in early 2026, fundamentally changing the grant landscape.

Our team advises against expecting a direct grant for simply swapping an old gas or oil boiler for a new one of the exact same type. The current funding heavily favours transitioning to renewable energy.

Individual Energy Upgrade Grants

We process applications for the heating controls upgrade grant, which currently pays a flat €700. This covers a new room thermostat, thermostatic radiator valves (TRVs), a programmer, and zone controls.

The most dramatic change in 2026 involves heat pump funding.

Upgrade	Grant Amount (As of 2026)
Heating controls upgrade	€700
Heat pump system bundle	Up to €12,500

We guide homeowners through the new heat pump installation grant, which recently jumped from a maximum of €6,500 up to an incredible €12,500 bundle. This package includes up to €6,500 for the unit, €2,000 for required radiator upgrades, and a €4,000 Renewable Heat Bonus if you are ditching a fossil fuel system.

One-Stop-Shop Grants

We also coordinate with SEAI-registered One-Stop-Shop providers for clients doing a full deep retrofit. This comprehensive approach bundles insulation, windows, and advanced heating setups.

Our clients can secure up to 50% of the total project cost through this specific route. Households qualifying for specific welfare payments might even see 80% of their costs covered.

How to Apply

We streamline the paperwork process as much as possible for every new boiler installation we manage. Following the correct official steps is absolutely critical.

• Get a BER (Building Energy Rating) assessment of your property.
• Review the specific upgrades recommended to boost your home’s rating.
• Apply through the SEAI website before any physical work begins.
• Hire SEAI-registered contractors to complete the physical installation.
• Submit your final completion documents to draw down the funds.

We ensure all compliance boxes are checked so you never miss out on eligible funding.

How to Get Value for Money

Get Multiple Quotes

We tell every prospective client to gather at least three quotes from different local installers. This straightforward strategy immediately highlights any unusually high or suspiciously low estimates.

Our team encourages you to compare exactly what each quote actually provides. Check that they specify the same boiler brand, identical warranty terms, and clarify whether a full power flushing system flush is included.

Do Not Choose on Price Alone

We have seen too many homeowners accept a bargain quote only to pay double in early repair costs. Skipping a crucial system flush or using cheap pipework guarantees higher fuel bills and a much shorter appliance lifespan.

Our checklist for vetting a reliable engineer is very strict:

• RGI registered for gas work or OFTEC registered for oil systems.
• Fully insured with both public liability and professional indemnity cover.
• Willing to provide a detailed written quote outlining all specific parts.
• Offering a meaningful warranty that covers both parts and labour.

Consider the Long-Term Cost of Ownership

We remind buyers that a new boiler is a 15-year to 20-year commitment. The initial supply and fit price is only one part of the financial picture.

Our maintenance logs show that an annual service costs between €80 and €150. Spending €500 extra upfront on a premium model that runs 4% more efficiently easily pays for itself through lower monthly fuel bills over a decade.

When Is the Best Time to Replace Your Boiler?

We schedule most of our planned non-emergency replacements during the spring and summer months. Heating engineers simply have much more availability when the weather warms up.

Our customers find that installing a new system in July offers major advantages:

• You are not dependent on your heating, making the temporary shutdown painless.
• You avoid the extreme stress of a total system failure in freezing December weather.
• You might secure off-season discounts from local suppliers.

We still maintain a rapid response team for unexpected winter breakdowns. If your unit completely dies, we can usually have a brand new system fully operational within two to three working days.

Ready for a New Boiler?

We know that limping along with a 15-year-old system is a massive drain on your wallet. Upgrading to a modern condensing unit drastically reduces noise, boosts reliability, and cuts your monthly energy consumption.

Our expert technicians are ready to assess your property.

Contact Emergency Plumber Athlone today for a free, transparent quote on a new boiler installation. We assess your specific layout, recommend the ideal equipment, and deliver a final price with absolutely no hidden fees.

If you are still wondering how much does a new boiler cost in Ireland in 2026, the best step is to get a custom assessment. The service area covers Athlone, Moate, Ballinasloe, Roscommon, Tullamore, and all surrounding locations in the midlands.

This pricing guide was written by the team at Emergency Plumber Athlone, RGI registered plumbing and heating engineers installing boilers across the Irish midlands since 2015. All prices are based on our experience of real installations in 2026 and are intended as a guide only.