We use cookies to ensure that we give you the best experience on our website and to constantly adjust our website to your needs. We also use cookies to provide you with helpful features and value added functionality. To use the website with full comfort, please accept to receive all cookies on our website.

Accept Decline

Energy system boilers

ErP A rated compact system boiler

  • Compact size will fit perfectly in kitchen cupboards
  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Ultra quiet operation
  • Eligible for up to 15 years of warranty*

Compact, efficient and high quality

Energy is an ErP A rated system boiler. It comes with a great range of outputs which makes it suitable for almost every property type.

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 sealed system boiler range is suitable for homes with high hot water demands and can be installed with Glow-worm’s range of cylinders for hot water storage.

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

Features & benefits

  • 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

*Club Energy installers can give you up to 15 years of warranty, click here to find your nearest installer

Specifications

Specifications

Energy system boilersUnit12kW15kW18kW25kW30kW
Casing dimensions
(H x W x D)
mm700 x 390 x 280700 x 390 x 280700 x 390 x 280700 x 390 x 280700 x 390 x 280
60/100 flue length horizontalm1010101010
60/100 flue length verticalm1010101010
SEDBUK 2009 annual efficiency%89.489.489.489.489.3
ErP rating AAAAA
Rear flue optionYes/NoYesYesYesYesYes

Related Products

Related Products

Climapro₂ RF control

Glow-worm’s most innovative wireless programmable room thermostat

  • Simple-to-use handheld unit can be wall mounted or portable within the living area
  • Backlit display provides advanced user control and functionality
  • Two channel wireless programmable room thermostat
  • Central heating control system to suit your timetable and lifestyle

Downloads

Downloads

Alternative products

Alternative products

Energy combi boilers

ErP A rated small combi boiler

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Compact size will fit in kitchen cupboards
  • Highly efficient for lower running costs
  • Ultra quiet operation
  • Eligible for up to 15 years of warranty*

Energy 35 Store combi boilers

35kW Combi Boiler

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Instant, unlimited hot water
  • Ultra quiet operation
  • LPG compatible
  • Perfect for large properties