An oil boiler should generally be serviced once a year by a qualified service technician. Annual servicing helps maintain safe operation, efficiency and reliability.
Yes. O’Byrne Services provides oil boiler servicing in Kilkenny and the surrounding areas from our base at Hebron Business Park.
Yes. O’Byrne Services is OFTEC registered, giving customers confidence that their oil boiler is being serviced by a competent professional.
Common signs include boiler lockouts, unusual noises, smoke, soot marks, higher oil usage, poor heating performance or a boiler that has not been serviced in over 12 months.
A properly serviced boiler is more likely to run efficiently. Cleaning, correct burner setup and combustion checks can help reduce wasted fuel and improve performance.
Yes. If your boiler needs repair work, we can inspect the issue and advise on the next steps. We also offer oil boiler repairs and installations.

Keep your home warm, safe and efficient with professional oil boiler servicing from O’Byrne Services. Based in Kilkenny, we provide reliable oil boiler maintenance for homeowners, landlords and businesses across Kilkenny and the southeast.
An annual oil boiler service helps ensure your heating system is running correctly, safely and efficiently. SEAI guidance notes that a yearly boiler safety check and service by a professional service engineer helps keep your boiler functioning properly, supports manufacturer specifications, and can reduce the risk of faults and costly repairs later on.
As an OFTEC registered service provider, O’Byrne Services brings the experience, equipment and technical knowledge needed to service oil-fired boilers to a high professional standard.
Our oil boiler servicing is designed to give your heating system a thorough check and clean. Depending on the boiler type, condition and installation, a typical service may include:
We will explain any issues clearly and let you know whether your boiler needs repair work, replacement parts or further attention.
We recommend booking your oil boiler service once a year. The best time is often before the colder months, when your heating system is about to be used more frequently.
You should also arrange a service if: