Find a verified Oil Boiler Service in Ireland
Annual oil boiler service by OFTEC-registered technicians. Combustion test, nozzle change, and full clean.
What does a oil boiler service do?
An oil boiler service is the annual safety, efficiency, and reliability check on your oil-fired boiler. It includes burner clean, oil filter change, nozzle replacement, photocell check, flue safety check, combustion analysis, and CO emissions testing. In Ireland, oil boiler service should be carried out by an OFTEC-registered technician.
Skipping oil service is a false economy: dirty burner heads, clogged nozzles, and accumulated soot drive efficiency from 90% down to 75–80% within 2–3 years of missed service — adding 10–15% to fuel bills. Annual service also catches micro-leaks at oil pipework before they become serious, and confirms the flue is drawing safely. Most Irish oil services take 60–90 minutes and include a written service record and tuning report.
Common oil boiler service services
From routine fixes to bigger projects — here's what Irish oil boiler services on Jobiit typically handle.
- Annual full oil boiler service
- Burner head clean
- Oil nozzle replacement
- Oil filter swap
- Photocell and ignition check
- Combustion analysis (CO/CO2)
- Flue and smoke draw test
- System pressure check
- Tank, line, and fire valve check
- Service record and tuning report
How much does a oil boiler service cost in Ireland?
Indicative pricing — your actual quote will vary
Oil boiler service is broadly standardised. The figures below are indicative Irish ranges, with extras quoted separately as needed.
A standard annual oil boiler service runs €120–€180 and includes nozzle, filter, photocell check, combustion test, and tuning. If a fault or worn part is found mid-service, repair is quoted separately. Service contracts (annual service plus discounted callouts and parts) typically run €200–€280 a year. If your boiler hasn't been serviced for 2+ years, expect the first service to take longer (90–120 minutes) and possibly cost €30–€50 more due to extra cleaning needed.
These are indicative ranges based on typical Irish jobs. Final pricing depends on scope, materials, urgency, and the trader you choose. On Jobiit you'll receive itemised quotes (labour, materials, VAT) so there are no surprises.
Why hire your oil boiler service through Jobiit
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Oil Boiler Services across Ireland
Jobiit covers the whole of Ireland. Wherever you are, local oil boiler services are quoting on jobs near you.
- Dublin
- Cork
- Galway
- Limerick
- Waterford
- Drogheda
- Swords
- Dundalk
- Bray
- Navan
- Kilkenny
- Sligo
Oil Boiler Service FAQs
How often should an oil boiler be serviced?
Annually, without exception. Oil burns dirtier than gas, so combustion residue accumulates faster on burner heads, sensors, and heat exchangers. Most manufacturer warranties require annual service to remain valid — and most insurance policies treat skipped service as negligence in the event of a fire claim. Plan service for late summer or early autumn before the heating season starts.
What's included in a standard service?
A full oil service includes: removing and cleaning the burner head, replacing the nozzle (a wear part), changing the oil filter cartridge, checking and cleaning the photocell, testing the ignition transformer, running combustion analysis (CO, CO2, smoke), checking the flue safely draws, testing the fire valve, pressure-testing the heating system, and tuning the burner to manufacturer spec. A written service record is provided.
Why do nozzles need replacing every year?
Oil nozzles spray atomised fuel at a precise rate (gallons per hour) and pattern. Even with clean fuel, the orifice gradually wears, distorting the spray pattern and reducing efficiency. Most manufacturers specify annual nozzle replacement. They cost €5–€15 wholesale and are normally included in the service price. Skipping nozzle replacement is the single biggest cause of efficiency drop on oil boilers.
Should I service the oil tank too?
Yes, briefly — the technician should visually inspect the tank during service for rust (steel tanks), UV crazing or hairline cracks (plastic tanks), and the integrity of the fire valve and fuel line. Bunded tanks (with a secondary containment) should have the bund checked for water ingress. If leakage signs appear, separate tank repair or replacement is quoted.
What if I haven't serviced for years?
Two-plus years between services is common but not ideal. Expect the first service to take longer due to soot accumulation and possibly to identify worn components needing replacement. Most boilers recover full efficiency after a thorough first service. If the boiler is over 12 years old and skipped service, it's worth having the engineer assess remaining lifespan and decide between continued service vs replacement.
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