Glow-worm is one of the UK’s best known and leading suppliers of heating solutions covering not just domestic gas boilers, but renewable technologies. Glow-worm offers one of the most comprehensive ranges of any manufacturer and backed by a nationwide support service. Glow worms range includes high efficiency condensing combi boilers, open vent and system boilers designed to provide total hot water and central heating control. With our renewable energy systems specifiers and house developers can integrate low carbon renewable energy such as heat pumps or solar energy hot water cylinders or other renewable sources to provide a total heating and hot water solution.