Boilers & Heating Coleraine
SERVICES
Boiler and Central Heating Services
At B D Mullan Plumbing & Heating Ltd, we provide expert boiler and heating services to keep your home warm, safe, and energy-efficient. With over 23 years of experience, our engineers deliver everything from new oil boiler installations to repairs, servicing, and full heating system upgrades.
We work with leading brands, use quality parts, and always follow manufacturer guidelines to ensure reliable performance and long-lasting results. Whether you need an emergency repair, a system upgrade, or your annual service, we’re here to help.
SERVICE AREAS
Local Heating Engineers in Coleraine
We are fully qualified, insured, and experienced in all aspects of oil boiler and heating system work. Our customers in Coleraine and the surrounding areas trust us for honest advice, transparent pricing, and work carried out to the highest standards.
We cover Coleraine and nearby locations including Portstewart, Castlerock, Portrush, Ballymoney, Bushmills, and surrounding rural areas.
SERVICES
Our Boiler & Heating Services in Coleraine
Oil Boiler Installation
We supply and fit high-quality oil boilers for homes in Coleraine and beyond. Our installations are carried out to current safety standards and tailored to your property’s heating needs. We can also upgrade your oil tank and pipework if required.
Oil Boiler Servicing
An annual oil boiler service helps prevent breakdowns, improves efficiency, and ensures your boiler runs safely. Our servicing includes a full system inspection, cleaning, and performance checks to keep your heating working reliably all year round.
Oil Boiler Repairs
If your boiler has stopped working or isn’t performing as it should, we can diagnose the fault and carry out fast, effective repairs. We keep common replacement parts in stock to minimise downtime and restore your heating quickly.
Replacement Oil Tanks
We install new bunded oil tanks to replace old or damaged units, including building a proper base to meet safety regulations. Our service covers everything from safe oil transfer to full installation and testing.
Heating System Upgrades
If your heating is outdated or inefficient, we can upgrade your system with modern controls, new boilers, and improved pipework. We ensure every upgrade is energy-efficient, safe, and built to last.
Radiator Replacement & Installation
From replacing old radiators to fitting stylish new decorative designs, we handle all types of radiator installation. We also provide repairs, bleeding, and balancing to keep your radiators heating evenly.
Power Flushing
Over time, heating systems can build up sludge and debris, reducing performance and efficiency. Our professional power flushing service cleans the entire system, improving heat output and extending the life of your boiler and radiators.
Heating Cylinder Replacement
We replace hot water cylinders for improved efficiency and performance. Whether you need a direct, indirect, or unvented system, we’ll ensure the installation meets your household’s hot water demands.
WHY CHOOSE US
Why Choose B D Mullan for Boilers & Heating in Coleraine?
At B D Mullan Plumbing & Heating Ltd, we combine technical expertise with a friendly, customerfocused approach. With over two decades of experience, we understand how important a reliable heating system is for your home. We offer clear advice, upfront pricing, and a commitment to doing the job right first time — all while keeping your home tidy and respecting your schedule.
Request a Free Heating Quote
If you need a trusted heating engineer or oil boiler specialist in Coleraine, B D Mullan Plumbing & Heating Ltd is ready to help. From installations to servicing and repairs, we provide a complete service for your home.
COMMON QUESTIONS
Boilers & Heating Coleraine – FAQs
We recommend an annual service to maintain efficiency, safety, and performance.
Yes, we work with all leading oil boiler brands and can advise on the best choice for your home.
Absolutely — we offer full oil tank replacement services, including building a new base if required.
Yes, we offer a fast response for urgent breakdowns depending on availability
Yes, we can replace or install radiators as part of a full heating upgrade or as a separate service.
TESTIMONIALS
What a Our Clients Say
We Are Expert in Gutter
Professional plumbing, heating, and boiler services to keep your home comfortable, efficient, and running smoothly year-round.
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