DT Boiler Services


Rated 5.00 / 5 from 12 reviews
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DT Boiler Services is an independent Gas Safe registered engineer covering Belfast and surrounding areas. I personally carry out gas boiler servicing, boiler repairs, fault diagnostics and landlord gas safety certificates (CP12). Repairs are properly diagnosed before parts are recommended, with faults and options explained clearly before work proceeds. Digital certificates, appointment reminders and annual service reminders are available. Boiler replacements can also be arranged through a trusted Gas Safe registered installer I work closely with.
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Boiler repairs can be an expensive hassle, and when something goes wrong, it helps to know who to call. DT Boiler Services has a network of boiler service experts with the technical know-how to get your whole home heating system functioning properly. Whether your boiler is leaking, noisy, or it’s not producing hot water, our engineers can diagnose, repair, and service your boiler.

Reviews (12)

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Liam Kelly

Apr 17, 2026

Incredibly professional service. Really quick callout time after we contacted him with our issue. Very friendly and fully explained everything to us. Would 100% recommend for any boiler issues and will definitely be a return customer.

Greg Gillanders

Feb 20, 2026

Thanks for your expertise and help with our boiler issues, your prompt response and quick call out time were impeccable. Highly recommended and will definitely be using your services again should the need arise. A+++

Angela Orozco

Apr 16, 2022

Darren did an excellent job, he serviced a gas and an oil boiler. Very happy with the work, definitely I am going to call him again!

John Crothers

Apr 16, 2022

Good prompt professional service. Would definitely recommend

Kevin Gervin

Mar 30, 2022

Great guy, went out of his way to make sure our boiler was in top condition. Flexible when arranging appointments and was very punctual. Will only be using him in future

Liz Walker

Mar 03, 2022

Darren fixed my gas boiler today at short notice and was patient and took the time to find the issue with it and resolve it, regardless of it being a really awkward job and a number of others failing to fix it. He was very helpful and he explained everything he was doing and what was causing the problem. Darren is efficient, professional and his prices are extremely competitive. I would highly recommend Darren and will be using him for my yearly boiler service.

Slawomir P.

Mar 01, 2022

Very friendly and helpful, very professional. Excellent work.

Tom Sinclair

Feb 02, 2022

Darren serviced my gas boiler and fixed a leak that needed a part . First class professional service at a good price . Would highly recommend.

Robert Davidson

Jan 29, 2022

Would highly recommend there services, extremely helpful and informative.

Stephen Collins

Jan 04, 2022

Darran fixed the problem with my boiler at short notice. So happy to get it working again.
Very reasonable and clean job - no mess left.
Highly recommended.

Drew L.

Nov 23, 2021

Very prompt Service would highly recommend them if ur having trouble with ur boiler.

Michael T.

Nov 22, 2021

Top notch!
Quick and money well spent!
Would recommend.