Founded in 1970, Warmflow is Northern Ireland's leading manufacturer of award winning, oil fired boilers with over 45 years experience heating homes across UK & Ireland. Our award winning range includes oil fired boilers, including the UK & Ireland's first double A rated combi boiler, hot water cylinders, renewable technologies including Europe's most efficient ground source heat pump and wood pellet boiler as well as offering a metal fabrication service. All products are made to the highest standards at our state of the art, 150,000 sqft production facility in Lisburn, Northern Ireland.

The Warmflow Professional is a market leading range of unique, high efficiency oil boilers which use the latest Riello Low NOx technology combined with innovative factory fitted accessories which save both installation time and money. Available in both Internal and External models ranging in heat outputs from 15-33kW. We've had the new outside boiler for a couple of months now and is a far superior product that we had before. Simple to use and as it is outside, very quiet and just does the job. We are regular installers of Warmflow boilers and will continue to promote & fit their products based on quality in design and the extensive warranties backed up with a good after sales support.

Our Engineering division offers a comprehensive range of design, manufacturing and fabrication solutions. Working primarily with sheet metal, we design and engineer a wide range of products covering everything from urinals, gun cabinets and electrical cabinets to parts for the Aerospace & Defence industries. We hold the internationally recognised AS9100 Aerospace quality management standard and the ASME - Section H Manufacturing Pressure Vessels certification.

Our outstanding selection of high efficiency, internal and external oil-fired boilers - including the UK & Ireland's only AAA-rated oil boiler - will keep your customers and their loved ones warm and cosy during the chilly months ahead. Designed to fit specifically into kitchen and utility rooms, its stylish white casing houses a highly efficient patented heat exchanger and the latest Riello low NOx technology. Designed for outdoor use with its IP45-rated, no maintenance, weatherproof casing, the Warmflow Agentis also features a highly efficient, patented heat exchanger & the latest Riello low NOx technology.

What's new?

HAVE YOU REGISTERED YOUR BOILER? All Warmflow home heating products come with a comprehensive parts & labour warr… https://t.co/tCN8q87AzZ

Posted on Mar 05, 2021  •  Twitter

Meet Andy Yeomans, our awesome area manager for the East Anglia Region. "I joined Warmflow in August 2018 and joi… https://t.co/7JY13jqkjC

Posted on Mar 04, 2021  •  Twitter

Remember to tag us in any recent Warmflow boiler install pics for your chance to become our next #PLUMBEROFTHEMONTH… https://t.co/hM7dWUT4jn

Posted on Mar 03, 2021  •  Twitter

The #winner of our February #Plumberofthemon th competition is Doone Plumbing & Heating

Posted on Mar 01, 2021  •  Facebook

Good morning everyone! We are here and ready to answer any technical questions you may have about our boilers. Gi… https://t.co/7JErH3d4WC

Posted on Mar 01, 2021  •  Twitter

#sustainablesundays Tip 8 - Switch off!! Leaving the TV on standby wastes needless energy. So if it's not being… https://t.co/QjhC7IS4nm

Posted on Feb 28, 2021  •  Twitter

An interview with our Head of GB Sales Brian Beattie

Posted on Feb 26, 2021  •  Facebook

If your boiler is in an outdoor space we have a range of new efficient and energy saving solutions especially for you.

Posted on Feb 26, 2021  •  Facebook

Happy Friday Tweeters! We hope you have an awesome weekend - and great to see the sun is shining! 😎🌞 #attheheartofacosyhome

Posted on Feb 26, 2021  •  Twitter

WE ARE STILL OPEN during lockdown! With plenty of stock at both our Telford and Lisburn depots, you can still orde… https://t.co/EafQarSVuM

Posted on Feb 25, 2021  •  Twitter

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