Gas Boilers

We supply and install A-rated gas boilers from trusted brands,
ensuring reliable heating and lower energy costs.

Gas Boilers in Gaerwen and Across North Wales

When it comes to keeping your home warm and efficient, your gas boiler plays a vital role.

At Carwyn J Owen Plumbing & Heating, we specialise in gas boiler installations, servicing, and repairs for homeowners and businesses across Anglesey, Gwynedd, and Conwy. Whether you’re upgrading to a new energy-efficient model or maintaining your current system, we deliver reliable results with a personal touch.

We’re proud to be Gas Safe registered and Worcester Bosch accredited, meaning all work is carried out to the highest standards of safety, efficiency, and workmanship. Plus, our new Worcester Bosch boiler installations come with up to a 12-year guarantee, giving you complete peace of mind and long-term protection.

Gas Boiler Installation

If your boiler’s become unreliable or costly to run, now’s the time to upgrade. A modern system delivers better efficiency, consistent warmth, and long-term savings.

If your existing boiler is showing its age, replacing it with a modern A-rated gas boiler can significantly reduce your energy bills and carbon footprint. We’ll assess your heating system, recommend the best boiler for your property, and install it safely and efficiently.

As a Worcester Bosch Accredited Installer, we can offer up to 12 years’ guarantee on new Worcester Bosch gas boilers — ensuring you enjoy reliable heating for years to come.

Boiler Servicing and Repairs

Regular servicing is essential to keep your gas boiler running safely and efficiently. Our annual boiler service checks help prevent breakdowns, improve efficiency, and extend the life of your system.

If you experience a fault or loss of heating, our engineers can quickly diagnose and repair the problem, getting your system back up and running in no time.

Why Choose Us?

Up to 12 years’ guarantee on new Worcester Bosch gas boilers
Fully qualified Gas Safe engineers
Reliable, friendly local service
Competitive pricing with no hidden costs
Covering Anglesey, Gwynedd, and Conwy
Domestic and light commercial work welcome

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