Gas Boiler Replacement in Dublin – Professional RGI Installers
Gas Boiler Replacement Dublin – Certified Installers, Same-Day Service
Gas boiler replacement in Dublin typically costs €2,685–€4,450 in 2025, depending on boiler type, system upgrades, and SEAI grant eligibility. Irish law requires replacement to be carried out by RGII-registered installers under CRU safety rules. Most homes are completed in one day, including removal, commissioning, and certification.
Source: CRU.ie
At Dublin Plumber 24hrs, we provide safe, professional gas boiler replacement and installation in Dublin. Our certified team fits trusted brands such as Worcester Bosch, Ideal, and Viessmann, with full manufacturer warranties and annual servicing support. Upgrading to a new energy-efficient boiler can cut heating bills by up to 30%, while ensuring long-term comfort and reliability.
We serve South Dublin, North Dublin, and the city centre, offering transparent pricing, free quotes, and 24/7 availability. Alongside replacements, we also handle [boiler servicing in Dublin] to keep your system running safely year-round.
Why Dublin Homeowners Choose Us
✔ 24+ years of local experience
✔ 1,800+ boilers installed across Dublin
✔ Fully RGII-certified (legal requirement)
✔ Based in Dublin 12 — not a call centre
✔ Transparent pricing & written warranty
✔ 24/7 emergency installation available
🔥 Why Replace Your Old Gas Boiler?
Replacing your outdated boiler isn’t just about staying warm — it’s an investment in safety, savings, and peace of mind.
💸 Lower Energy Bills: Save up to 30% on heating costs.
🏠 Better Comfort: Faster, more reliable heating.
🔒 Improved Safety: Safer system with carbon monoxide protection.
📱 Smart Control Options: Smart controls & zoning options.
⚠️ Signs You Need a Boiler Replacement
Don’t wait for a breakdown — here’s how to know when it’s time for an upgrade:
- 🔧 Frequent breakdowns or costly repairs
- 📈 Rising energy bills
- ⏳ System older than 12–15 years
- 💧 Slow heat-up time or inconsistent hot water
- 🔊 Loud noises (banging, humming, gurgling)
- ⚠ Boiler efficiency lower than B rating
If you’ve noticed one or more of these issues, it may be time to replace your gas boiler.
Boiler Repair vs Replacement — Which Makes Sense?
| Issue | Repair Still Worth It? | Replacement Recommended? |
|---|---|---|
Minor leak / PCB fault |
Yes |
No |
Boiler over 15 years old |
No |
Yes |
Repeated breakdowns |
No |
Yes |
Efficiency under 80% |
No |
Yes |
Replacement parts no longer available |
No |
Yes |
Reports of carbon monoxide risk / safety warning |
No |
Yes (mandatory) |
Heating inconsistent or slow to reach temperature |
Sometimes |
Yes (if combined with age) |
🔍 Choosing the Right Boiler for Your Home
We help Dublin homeowners choose the most suitable boiler based on property size, usage, and energy goals:
🔄 Combi Boilers- best for small/medium homes
🏡 System Boilers- multiple bathrooms
🏘️ Regular Boilers- large homes, traditional systems
🌱 Condensing Technology – all models, higher efficiency
Need advice? Our certified team will assess your property and recommend the best model.
🛠️ What to Expect from Our Boiler Installation Service
We make your upgrade smooth, safe, and stress-free:
Home Survey & Boiler Selection
Safe Removal of Old Boiler
Professional Installation (Incl. Flue & Pipework)
System Testing & Safety Checks
Full Handover with Usage Guide
Gas Safety Certification Issued
✔️ All work completed by RGI-certified, fully insured professionals.
✔️ Most installations completed within 1–2 days.
Gas Boiler Replacement Cost in Dublin (2025 Price Guide)
The cost of gas boiler replacement in Dublin depends on the type of boiler you choose, the size of your home, and the complexity of the installation. Here’s what you can expect to pay:
Boiler Type |
Estimated Cost |
|---|---|
Combi Boiler |
from €2,685 |
System Boiler |
€2650 to €3150+ |
Regular Boiler |
€2850 to €4450 |
✅ What Affects the Cost?
- Boiler brand (Worcester, Ideal, Vaillant)
- Home size & usage
- Pipework or flue upgrades
- Smart controls
SEAI grants available — we assist with all the paperwork to make your application easy.
FAQs – Gas Boiler Replacement Dublin
Most Dublin homes pay €2,685–€4,450 depending on boiler type, flue changes and smart controls.
Most installations are completed in 1–2 days, including safe removal, commissioning, and handover.
Yes—South Dublin, North Dublin, and the city centre. Same standards, same RGI-certified installers.
Yes. All gas work is carried out by RGI-registered and fully insured engineers, with a gas safety certificate issued on completion.
SEAI grants may apply for related efficiency measures; we’ll check eligibility and advise. Finance options can be discussed during your quote.
Combi: small/medium homes, no hot-water tank.
System: multiple bathrooms, separate hot-water tank.
Regular: larger homes with existing tanks/traditional systems.
We size and recommend after a short survey.
Manufacturer warranties vary by brand/model (often 5–10 years) when installed and commissioned by an approved installer and serviced annually.
Annually. It keeps warranties valid and maintains safety/efficiency.
Home survey and sizing, safe removal of the old unit, new boiler + flue/pipework, system testing and commissioning, controls setup, user handover, and issued certification.
Yes—smart thermostats and zoning can be added or upgraded to improve comfort and reduce running costs.
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Ready to Replace Your Gas Boiler?
Don’t wait for a breakdown. Get expert advice, fast service, and professional installation from Dublin’s trusted gas boiler experts.
👉 Call 086 374 8000 or request a free quote today.
📍 Serving all Dublin areas, 24/7 availability, RGI-certified.
Customer Review – Dublin 01
⭐⭐⭐⭐⭐ “I got two boiler elements replaced in Dublin 01. George was kind and efficient, and the price was lower than other competitors I contacted. Response time and operation time were both very fast. I will definitely contact them again. Highly recommended.”
— Marcello N. | Dublin 01 | Verified Google Review