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Energy 35 Store combi boilers

35kW Combi Boiler

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Instant, unlimited hot water
  • LPG compatible
  • Perfect for large properties
  • FREE 7 year guarantee out of the box with option to extend*
Find your local Glow-worm Club Energy Installer

Perfect for large properties

Our high efficiency storage combi boiler is perfect for larger properties as it provides instant, unlimited hot water and maximum comfort.

One perfect package

Energy 35 Store combines the benefits of a system store and combi boiler in one perfect package. The storage water vessels contained within the unit not only save space but also provide large properties with unlimited hot water.

Features & benefits

  • Ultra quiet operation
  • Provides high performance central heating and instant, sustained hot water supply for larger properties (powerful 19.7 litres/min flow rate at 35 degree rise achieved using shift load technology and mixing valve supplied with the appliance)
  • Fast re-heat time of less than 5 minutes
  • LPG compatible without conversion kit
  • 2 year parts and labour guarantee*

*Glow-worm’s Club Energy installers can offer you up to 15 years of guarantee. If you’re interested please get in touch with your nearest one here.



Energy 35 Store boilerUnit35kW
Boiler dimensions
(H x W x D)
mm890 x 470 x 561
DHW flow rate (35˚C rise)l/min19.7
Maximum horizontal flue length 60/100m10
Maximum vertical flue length 60/100m10
PCDB seasonal efficiency%89.4
ErP rating heating A
ErP rating DHW A
Rear flue option No
Adjustable to LPG Yes

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

  • Capable of room and weather compensation*
  • Two channel wireless programmable room thermostat
  • Backlit display provides advanced user control and functionality


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



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 system boilers

  • Compact size will fit perfectly in kitchen cupboards
  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Quiet Mark approved*

Energy regular boiler

  • ErP A rated for efficiency - helping you to reduce your energy bills
  • Compact size – perfect in kitchen cupboards
  • Ultra quiet operation