Healthcare
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Gas Boiler with stand-by light fuel oil
Royal Victoria Hospital
The Royal Victoria Hospital is one of four linked hospitals making up N.Ireland’s largest and busiest hospital complex. Every…
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Food and Beverage
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Coffee Roaster
Slumberjack Coffee Roaster Chimney System
Slumberjack Coffee contacted John J Doyle Ltd for a chimney system to suit new coffee roasters at its state-of-the-art…
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Healthcare
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Condensing Boiler
Northern Ireland Ambulance Service
The Northern Ireland Ambulance is located at Knockbracken Healthcare Park in Belfast. It’s service exists to improve the health…
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Residential Communal Living
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Condensing Boiler
Trinity College, Oxford Chimney Installation
Stothers M&E contracted John J Doyle Ltd to complete a chimney installation at the Levine Building, Trinity College, Oxford.…
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Education
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Condensing Boiler
Belfast MET – Castlereagh Campus
Founded in 2007. Belfast Met is the largest further and Higher Education College in Northern Ireland and one of…
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Education
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Non-Condensing Boiler
Edmund Rice College
Edmund Rice College is a secondary school in Glengormley founded in 1903. The school offers a full curriculum including…
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Industrial
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Generator
NI Water Generator Flue
John J Doyle Ltd was contacted by AC Automation to complete a new flue system for a generator at…
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Est 1928
John J Doyle Ltd are chimney and flue specialists offering a complete commercial and industrial package.
We offer technical guidance, design, supply and installation for a variety of applications including biomass boilers, power generators, CHP, condensing oil and gas boilers, non-condensing oil and gas boilers, communal residential flue and self-supporting chimneys.
With over 90 years of experience, we have an extensive track record of dependable workmanship and client satisfaction extending to a portfolio of top-quality projects. We guarantee there is no chimney problem we have not seen and solved.
Right & Complete, First Time, Every Time
All of our installations use the highest quality materials.
With a commitment to creating awareness of European Standards for metal chimneys, clients can be assured that any project designed, supplied and installed by John J Doyle Ltd meets and exceeds the required European Standards for a compliant and durable flue system.
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Strict adherence to EU Standards
Client Satisfaction
Over 90 years of experience
Expert Design
Premier Quality
Trained Installers
Working with exceptional clients
of all shapes and sizes throughout Europe
