New Oil Boilers

We supply and install high-quality oil boilersdesigned to reduce fuel costs while keeping your home consistently warm and comfortable all year round.

Oil Boilers in Gaerwen and Across North Wales

If your property isn’t connected to the mains gas network, an oil boiler is a dependable and efficient way to heat your home. At Carwyn J Owen Plumbing & Heating, we specialise in oil boiler installations, servicing, and repairs for domestic and commercial customers across Anglesey, Gwynedd, and Conwy.

As a fully OFTEC-registered heating engineer, Carwyn ensures every installation and service is carried out safely and to the highest professional standards. With years of experience and a strong local reputation, we’re proud to deliver honest advice, quality workmanship, and a service you can rely on.

Oil Boiler Installation

We supply and install a range of modern, energy-efficient oil boilers from trusted brands. Whether you’re replacing an old system or fitting one in a new property, we’ll help you choose the right model for your needs and budget.

All our new oil boiler installations come with up to a 7-year guarantee, giving you long-lasting peace of mind and dependable heating performance. Every installation is completed neatly and safely, with full system testing before we leave.

A new, high-efficiency oil boiler can lower your fuel costs, reduce emissions, and improve your home’s overall efficiency.

Oil Boiler Servicing and Repairs

Regular maintenance is essential to keep your oil boiler running efficiently and safely. Our annual oil boiler servicing includes a full inspection, cleaning, and performance check to identify any issues before they become costly breakdowns.

If your boiler stops working or you notice reduced performance, our experienced engineers can quickly diagnose and repair the problem, restoring your heating and hot water efficiently and affordably.

Why Choose Us?

Up to 7 years’ guarantee on new oil boilers
OFTEC-registered oil heating specialist
Reliable, friendly local engineer
Competitive rates with no hidden costs
Covering Anglesey, Gwynedd, and Conwy
Domestic and light commercial work undertaken

Accreditations

To ensure our clients receive a high standard of workmanship, experience and professionalism, our company is accredited and monitored by several trade and industry bodies.

Areas we cover

We provide gas & central heating services to homes and
businesses across the following areas:

We offer you the highest quality workmanship and services

Our Services Include:

Boiler installations
Boiler repairs
Boiler replacement
Boiler servicing
Cylinder installation
Cylinder repair
Central heating installations
Gas fire servicing
Gas fire repair
Gas fire eplacement
Landlord gas safety certificate
Leaks
Power flushing
Radiator repair
Radiator replacement
Smart heating controls
Underfloor heating
Water filtration
Water heater installation
Water heater repair