Not sure which boiler you need?
Not sure which boiler you need?

Glow Worm Boilers

Glow Worm Boiler Installers

Fast Quotes, Professional Installation

Glow-worm boilers are a trusted option for UK homeowners looking for efficient, modern heating with a strong range of combi, system and regular models. Whether you’re replacing an ageing boiler or upgrading to improve performance and running costs, Glow-worm offers solutions suited to everything from smaller homes to larger properties with higher hot water demand.

On this page you can explore Glow-worm boiler models with clear, comparable details to help you shortlist the right fit. If you’re not sure where to start, consider your current boiler type and your hot water requirements (especially number of bathrooms and usage at peak times) — we’ll help guide you towards a suitable Glow-worm boiler and a straightforward installation package.

Recommended Boilers

Glow Worm Compact Combi Boiler 24KW Combi
  • Combi Gas Boiler
  • 18.3kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm Compact Combi Boiler 28 Kw Combi
  • Combi Gas Boiler
  • 18.3kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm Easicom₃ 25KW Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm Energy Combi 25KW Gas Boiler Combi
  • Combi Gas Boiler
  • 18kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Combi 30KW Gas Boiler Combi
  • Combi Gas Boiler
  • 25kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Combi 35KW Gas Boiler Combi
  • Combi Gas Boiler
  • 25kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Regular 12KW Gas Boiler Heat Only
  • Regular Gas Boiler
  • 12kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Regular 15KW Gas Boiler Heat Only
  • Regular Gas Boiler
  • 15kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Regular 18KW Gas Boiler Heat Only
  • Regular Gas Boiler
  • 18kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Regular 25KW Gas Boiler Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy Regular 30KW Gas Boiler Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy System 12KW Gas Boiler System
  • System Gas Boiler
  • 12kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy System 15KW Gas Boiler System
  • System Gas Boiler
  • 15kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy System 18KW Gas Boiler System
  • System Gas Boiler
  • 18kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy System 25KW Gas Boiler System
  • System Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Energy System 30KW Gas Boiler System
  • System Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years

Other Boilers

Glow Worm Betacom 30C Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: C
  • ERP rating: B
  • Warranty: 2 years
 Glow Worm BETACOM2 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm BETACOM3 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm BETACOM3 30KW Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm BETACOM4 24KW Combi
  • Combi Gas Boiler
  • 21.2kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm BETACOM4 30KW Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm EASICOM3 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 6 years
 Glow Worm EASICOM3 25S System
  • System Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 Glow Worm EASICOM3 28KW Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 6 years
 Glow Worm Energy 35 Store 35KW Combi
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Glow Worm Essential 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 Glow Worm Essential 28KW Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 Glow Worm Flexicom Cx 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm Flexicom Hx 24KW Heat Only
  • Regular Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm Procombi Essential 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm Procombi Essential 28KW Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm Procombi Essential 35KW Combi
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm ULTIMATE2 25KW System
  • System Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm ULTIMATE2 Combi 30KW Gas Boiler Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm ULTIMATE2 Combi 35KW Gas Boiler Combi
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm ULTIMATE2 Regular 25KW Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm ULTIMATE3 25KW Heat Only
  • Regular Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm ULTIMATE3 25KW System
  • System Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm ULTIMATE3 30KW Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm ULTIMATE3 35KW Combi
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 10 years
 Glow Worm Ultracom 24 Hxi Heat Only
  • Regular Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Glow Worm ULTRACOM2 35 Store 35KW Combi
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm ULTRACOM2 Cxi 30KW Combi
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm Ultrapower 100 Sxi 24KW Combi
  • Combi Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 Glow Worm Xtramax He 28KW Combi
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years

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