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Quiet Mark Approved

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
  • Quiet Mark approved
  • FREE 7 year guarantee out of the box with option to extend*
Find your local Glow-worm Club Energy installer

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
  • Quiet Mark approved thanks to its ultra quiet operation so you won’t even hear if it’s on

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

Specifications

Specifications

Energy system boilersUnit12kW15kW18kW25kW30kW
Boiler 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
Maximum horizontal flue length 60/100m1010101010
Maximum vertical flue length 60/100m1010101010
PCDB seasonal efficiency%89.389.389.389.389.3
ErP rating AAAAA
Rear flue option YesYesYesYesYes

Related Products

Related Products

MiGo personal heating assistant

  • Remote heating and hot water control
  • Automatically learns your energy needs
  • MiGo and Glow-worm boilers speak the same language

Climapro₂ RF control

  • 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

Climastat

  • Easy to use
  • Extra low voltage
  • Simple & discreet 2 wire connection

Downloads

Downloads

How to get

Want to find out more?

Find your local Glow-worm Club Energy installer

Club Energy is Glow-worm’s installer loyalty scheme. By choosing a Glow-worm Club Energy Partner, you’re choosing our network of fully trained, independent installers who can offer you exclusive extended Guarantees, as well as a free no obligation quote to ensure your Glow-worm boiler is the perfect fit for you and your home.

Alternative products

Alternative products

Energy combi boilers

  • 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

Energy 35 Store combi boilers

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Instant, unlimited hot water
  • LPG compatible

Energy 35 Store combi boilers

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Instant, unlimited hot water
  • LPG compatible