Over 75 years of commitment to top quality, reliability and exceptional durability have made Glow-worm one of the UK’s leading heating manufacturers. We have built our reputation on delivering products which are straightforward, dependable and designed with you in mind. Today, Glow-worm not only produce award winning high efficiency domestic boilers, but we also offer intelligent controls, hot water cylinders and a range of renewable technologies all boasting low energy consumption reducing both your costs and your carbon footprint. Our product range is clearly defined to meet the needs of a wide range of UK homes. With universal flueing systems, diagnostics, user controls and installation accessories, once you have installed and used one Glow-worm appliance, it’s easy to install and use them all.