Energy system boilers

Built right here in the UK at Glow-worm’s award winning factory in Belper, the Energy system boiler is a high quality boiler that’s designed to lower your running costs. Its high efficiency modulating Grundfos pump adapts to your actual heating and hot water demand, reducing your energy bills.

The Energy system boiler’s size also makes it the perfect fit to install virtually anywhere – even your kitchen cupboards. It also comes with a rear flue option giving you greater flexibility.

The Energy also comes prepared with a FREE 7 year out of the box guarantee. This can be extended to a 10 year guarantee when your Gas Safe registered installer registers the installation WITH a Glow-worm Power Filter on the Glow-worm Club Energy installer loyalty programme.

If you’d like to save energy and find which boiler you need for your house click here to use our Find a Boiler tool.

• Wide product range caters for every heat output demand and system requirement, available in: 12, 15, 18, 25 or 30kW
• Compact size and rear flue option gives it the flexibility to be the perfect solution for most install situations
• ErP A rated for efficiency - helping you reduce your energy bills
• Quiet Mark approved thanks to its ultra quiet operation so you won’t even hear if it’s on (excludes 15kW and 30kW models)
• FREE 7 year guarantee available. 10 year extended guarantee is only available for boilers registered through Club Energy with a Glow-worm Power System filter.