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Gas Boiler Replacement in Dublin – Professional RGI Installers

Professional Gas Boiler Replacement in Dublin

A gas boiler replacement means removing an old unit and installing a modern A-rated boiler for improved efficiency and safety. In Ireland, only RGI-certified engineers are legally permitted to carry out this work (CRU.ie).. Typical costs in Dublin start from €1,950, with most replacements completed within 1–2 days.

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.

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🔥 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Replacing your outdated boiler isn’t just about staying warm — it’s an investment in safety, savings, and peace of mind.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 Repairs or Costly Fixes

  • 📈 Unexpected Spikes in Energy Bills

  • ⏳ Boiler Over 12–15 Years Old

  • 🔊 Strange Noises (banging, gurgling)

  • 💧 Inconsistent Heating or Delayed Hot Water

  • ⚡ Boiler efficiency rating below B
  • ⚠ Frequent breakdowns during winter

If you’ve noticed one or more of these issues, it may be time to replace your gas boiler.

🔍 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:

  1. Home Survey & Boiler Selection

  2. Safe Removal of Old Boiler

  3. Professional Installation (Incl. Flue & Pipework)

  4. System Testing & Safety Checks

  5. Full Handover with Usage Guide

  6. Gas Safety Certification Issued

✔️ All work completed by RGI-certified, fully insured professionals.

✔️ Most installations completed within 1–2 days.

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Gas Boiler Services -

How Much Does Gas Boiler Replacement Cost in Dublin?

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 €1,950
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 & finance options available

FAQs – Gas Boiler Replacement Dublin

How much does a gas boiler replacement cost in Dublin?

From €1,950 for a combi; €2,650–€3,200+ for a system boiler; €2,850–€4,450 for a regular boiler. Final price depends on brand, pipework/flue changes, controls, and property size.

How long does a boiler replacement take?

Most installations are completed in 1–2 days, including safe removal, commissioning, and handover.

Do you cover all Dublin areas?

Yes—South Dublin, North Dublin, and the city centre. Same standards, same RGI-certified installers.

Are your engineers RGI-certified?

Yes. All gas work is carried out by RGI-registered and fully insured engineers, with a gas safety certificate issued on completion.

Can I get an SEAI grant or finance help?

SEAI grants may apply for related efficiency measures; we’ll check eligibility and advise. Finance options can be discussed during your quote.

What boiler type is best for my home?
  • 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.

What warranties do you offer?

Manufacturer warranties vary by brand/model (often 5–10 years) when installed and commissioned by an approved installer and serviced annually.

How often should a new gas boiler be serviced?

Annually. It keeps warranties valid and maintains safety/efficiency.

What’s included in your replacement service?

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.

Do you install smart controls and zoning?

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.