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45 years of trusted expertiseGlow-worm
Glow-worm has been keeping people cosy for over 90 years with our heating systems designed for homes that are there to be lived in, not looked at. Whether it's the hot shower after football training or feeling toasty on the sofa, Glow-worm provide that warm flow that keeps everyone going. Not only this, but they're easy to fit, reliable and backed by exceptional support, with more installer perks than you can shake a spanner at. Glow-worm is a cornerstone of the UK heating industry, nestled in the heart of Derbyshire. Since 1934, their focus has been on building robust heating solutions. The product range now includes high-efficiency boilers, heat pumps, cylinders, controls and accessories that provide the families of Britain with the warmth and hot water they need, when they need it.
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Why Glow-worm?
Working with you for the last 90 years
For 90 years, Glow-worm have been designing and manufacturing heating solutions that deliver warmth and comfort to homes all around the UK.
High efficiency boilers, heat pumps, controls and accessories
Glow-worm's 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.
Here to support
Glow-worm have a range of support tools available to help assist you and your business from their training academy to literature.
Introducing myREWARDS
Join myREWARDS, where we've poured all our energy into creating a rewarding loyalty scheme just for you. Enjoy cashback, extended warranties, exclusive offers, promotions and incentives.
The GeniaAir Heat Pump
The Glow-worm GeniaAir air source heat pump is a compact, high-performance heating solution designed for both new-build and retrofit projects. Available in 5kW, 7kW and 11kW outputs, it delivers flow temperatures up to 70°C, uses low-GWP R290 refrigerant, and offers app-based control via MiGo Link. The GeniaAir range is also Quiet Mark certified, recognising its low-noise operation and homeowner comfort.
Boiler Range
Glow-worm offers a comprehensive range of high-efficiency combi, system and regular boilers designed to suit homes of all sizes. Renowned for reliability, ease of installation and excellent value. Models including Compact, Energy, Easicom₃ and Ultimate₃ that deliver dependable heating and hot water performance. With ErP A-rated efficiency, compact designs and extended warranty options, Glow-worm provides smart, cost-effective solutions for modern heating needs.
Controls & Connectivity Range
From straightforward room thermostats to advanced smart controls with app connectivity, the Glow-worm controls range offers a solution for every home. Designed for simple installation and intuitive operation, these controls help optimise comfort, efficiency and system performance. Whether paired with a boiler or heat pump, Glow-worm controls provide customers with a complete, reliable and easy-to-manage heating solution.
Heat Pump & Full System Solution
Glow-worm’s renewable heating solution combines the GeniaAir air source heat pump, HydraCyl hot water cylinder, intelligent controls and MiGo Link connectivity gateway into one seamless system. GeniaAir delivers efficient, low-carbon heating, while HydraCyl provides reliable hot water storage. Smart controls and app connectivity enable remote monitoring, optimisation and energy management, giving homeowners comfort, efficiency and complete control.