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…view project
Condensing BoilerWater Heaters
Avoniel Leisure Centre
Dowds Group awarded John J Doyle the contract to design , supply and install two complete flues systems. One…view project
Northern Ireland Ambulance Service
The Northern Ireland Ambulance is located at Knockbracken Healthcare Park in Belfast. It’s service exists to improve the health…view project
Residential Communal Living
Communal BoilersCondensing BoilerDistrict HeatingWater Heaters
LIV Student Accommodation Chimney Installation
John J Doyle Ltd completed a chimney installation at LIV Student Accommodation, York Street in Belfast, Northern Ireland. LIV…view project
Belfast MET – Castlereagh Campus
Founded in 2007. Belfast Met is the largest further and Higher Education College in Northern Ireland and one of…view project
Edmund Rice College
Edmund Rice College is a secondary school in Glengormley founded in 1903. The school offers a full curriculum including…view project
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…view project
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
Over 90 years of experience
Working with exceptional clients
of all shapes and sizes throughout Europe