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

Alpha Boilers

Alpha Boiler Installations

New Combi & System Boilers with Fixed Prices

Alpha boilers are a popular choice for UK homes thanks to their strong efficiency, compact designs and reliable performance. Whether you’re replacing an ageing boiler or upgrading to a modern combi or system model, Alpha offers a range of options suited to different property sizes, hot water demand and heating layouts.

On this page you’ll find a selection of Alpha boilers, with clear model details and a straightforward quote journey to help you compare the right fit for your home. If you’re not sure which Alpha boiler you need, start with your property type and hot water requirements — we’ll guide you to a suitable option and an installation package that keeps things simple from enquiry to fit.

Recommended Boilers

E Tec 15R 15KW
  • Regular Gas Boiler
  • 15.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 20R 20KW
  • Regular Gas Boiler
  • 20.4kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 20S
  • System Gas Boiler
  • 26.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 25R 25KW
  • Regular Gas Boiler
  • 26.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 28KW
  • Combi Gas Boiler
  • 26.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 30S
  • System Gas Boiler
  • 29.7kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec 33KW
  • Combi Gas Boiler
  • 29.7kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec Plus 28KW
  • Combi Gas Boiler
  • 28kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 12 years
 E Tec Plus 33KW
  • Combi Gas Boiler
  • 32kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 12 years
 E Tec Plus 38KW
  • Combi Gas Boiler
  • 32kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 12 years

Other Boilers

CD12S
  • System Gas Boiler
  • 12kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD13R
  • Regular Gas Boiler
  • 13kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD18R
  • Regular Gas Boiler
  • 18kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD20S
  • System Gas Boiler
  • 20kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD24R
  • Regular Gas Boiler
  • 24kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD25C
  • Combi Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 CD25X
  • Combi Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 CD28C
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 CD28S
  • System Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 CD28X
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 2 years
 CD35C
  • Combi Gas Boiler
  • 35kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 CD50
  • Combi Gas Boiler
  • 50kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 3 years
 E Tec 35S
  • System Gas Boiler
  • 35.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 10 years
 E Tec Plus 28KW
  • Combi Gas Boiler
  • 26.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 13 years
 ECO2 Plus
  • Combi Gas Boiler
  • 28kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 4 years
 Evoke 28KW
  • Combi Gas Boiler
  • 26.1kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Evoke 33KW
  • Combi Gas Boiler
  • 29.7kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 7 years
 Intec 12S
  • System Gas Boiler
  • 13kW
  • Band rating: B
  • Warranty: 3 years
 Intec 18S
  • System Gas Boiler
  • 20kW
  • Band rating: B
  • Warranty: 3 years
 Intec 28S
  • System Gas Boiler
  • 30kW
  • Band rating: B
  • Warranty: 3 years
 Intec 30C
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Intec 34C
  • Combi Gas Boiler
  • 34kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Intec 40GS2
  • Combi Gas Boiler
  • 30.7kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Intec Gs 30KW
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 Intec Gs 40KW
  • Combi Gas Boiler
  • 40kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 INTEC2 20SE
  • System Gas Boiler
  • 20kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 INTEC2 25XE
  • Combi Gas Boiler
  • 25kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 INTEC2 26CE
  • Combi Gas Boiler
  • 26kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 INTEC2 28XE
  • Combi Gas Boiler
  • 28kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 4 years
 INTEC2 30CE
  • Combi Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 INTEC2 30SE
  • System Gas Boiler
  • 30kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 5 years
 INTEC2 35CE
  • Combi Gas Boiler
  • 35kW
  • Band rating: B
  • ERP rating: A
  • Warranty: 7 years
 Protec Plus 115
  • System Gas Boiler
  • 121kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Protec Plus 50
  • System Gas Boiler
  • 54kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Protec Plus 70
  • System Gas Boiler
  • 74kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years
 Protec Plus 90
  • System Gas Boiler
  • 98kW
  • Band rating: A
  • ERP rating: A
  • Warranty: 5 years

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