Warmflow is a leading manufacturer of award winning, oil fired boilers with over 45 years’ experience heating homes across UK & Ireland. With an 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 boilers. All products are made to the highest standards at their state of the art, 150,000 sqft production facility in Lisburn, Northern Ireland. They are leading the way in innovation, working with customers to ensure that they produce products which are easy to install, made using only the highest quality materials and which deliver tangible benefits and cost savings.


All Warmflow boilers are British Made in Lisburn, Northern Ireland using the latest manufacturing equipment and highest quality materials. This includes Riello burners, Grundfos pumps & Honeywell valves in the manufacture of all boilers so you can be assured that only the best quality components are used. In addition, all of their oil boilers now come with a 5mm primary heat exchanger, reinforcing the high quality of the products and providing peace of mind for installer and homeowner alike. All primary heat exchangers are welded using robotic welders to ensure consistency of quality every time.