Oil Heating

Reliable oil boiler installations for homes and businesses across Northern Ireland.

What Is an Oil Heating System?

An oil heating system uses kerosene or heating oil to provide central heating and hot water for your property. The oil boiler heats water, which is then distributed through:

  • Radiators or underfloor heating to warm your home

  • A hot water cylinder for taps, showers, and baths

Oil heating remains a popular choice across Northern Ireland, particularly in rural areas where mains gas is unavailable.

Benefits of Installing an Oil Heating System

Powerful & Reliable Heating

Oil boilers are known for delivering strong heat output, making them well suited to larger properties and older homes.

Benefits include:

  • High heat output for colder climates
  • Reliable performance year-round
  • Suitable for off-grid properties

Modern oil boilers provide consistent warmth even during prolonged cold weather.

Improved Efficiency with Modern Oil Boilers

Today’s condensing oil boilers are significantly more efficient than older models, with efficiency levels of up to 90%.

Why modern oil boilers are more efficient:

  • Condensing technology captures heat that would otherwise be lost

  • Improved burner control reduces fuel waste

  • Compatible with upgraded controls and zoning

Upgrading an outdated oil boiler can lead to noticeable reductions in fuel consumption and running costs.

Ideal for Rural & Off-Grid Homes

Oil heating offers complete independence from the gas network, making it a practical option for rural and off-grid properties.

Advantages include:

  • No reliance on mains gas infrastructure

  • Flexible fuel purchasing options

  • Compatible with existing radiator systems

Oil systems can also be paired with modern heating controls to improve efficiency and comfort.

Domestic & Commercial Oil Heating Installations

McGaffin Mechanical provides professional oil boiler installations across Northern Ireland for both domestic and commercial clients.

Before installation, our team will assess:

  • Property size and heat demand

  • Existing heating system and pipework

  • Oil tank condition and compliance

  • Opportunities to improve overall efficiency

This ensures your oil heating system is safe, compliant, and designed for long-term reliability

Why Choose McGaffin Mechanical?

At McGaffin Mechanical, we provide honest, expert advice to help you choose the most suitable heating system for your property.

Experienced oil boiler installers

System upgrades and replacements

Full heating system assessments

Ongoing servicing and maintenance

Advice on transitioning to gas or renewable heating when appropriate

OFTEC Registered for Your Peace of Mind

McGaffin Mechanical is OFTEC registered, meaning our oil heating installations and servicing meet strict industry and safety standards.

OFTEC (Oil Firing Technical Association) is the recognised trade body for oil heating in Northern Ireland and the UK. Choosing an OFTEC registered engineer ensures your system is installed and maintained by a fully trained, assessed, and competent professional.

Why this matters:

  • Work carried out safely and to current regulations

  • Compliance certificates issued without the need for separate inspections

  • Added protection through OFTEC workmanship warranties (where applicable)

Using an OFTEC registered installer gives you confidence that your oil heating system is safe, efficient, and built to last.

Considering an oil boiler upgrade or weighing up your heating options?

Contact McGaffin Mechanical today for expert advice and a no‑obligation quote.