Every Worcester Bosch product comes with a standard guarantee, and in many cases, this can be extended based on your installer’s level in the Worcester Bosch loyalty programme. Speak with your installer to confirm the exact guarantee length for your product.
Greenstar 8000+ range
- Standard Guarantee - 8 years
- With any Greenstar System Filter - 10 years
- Extended guarantee - 12 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
*Full terms and conditions apply
Get an 8000+ boiler installed through our FastTrack installation service.
Greenstar 4000
- Standard Guarantee - 7 years
- With any Greenstar System Filter - 8 years
- Extended guarantee - 10 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
*Full terms and conditions apply
Get a 4000 boiler installed through our FastTrack installation service.
Greenstar CDi Compact & i System Compact
- Standard Guarantee - 7 years
- With any Greenstar System Filter - 8 years
- Extended guarantee - 10 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
*Full terms and conditions apply
Get a CDi Compact or i System Compact boiler installed through our FastTrack installation service.
Greenstar 8000 F
- Standard Guarantee - 7 years
- With any Greenstar System Filter - 8 years
- Extended guarantee - 10 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
Greenstar Ri & Ri Compact
- Standard Guarantee - 7 years
- With any Greenstar System Filter - 8 years
- Extended guarantee - 10 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
Greenstar 2000
- Standard Guarantee - 7 years*
*Fitted with a Worcester Bosch or third-party system filter.
*Full terms and conditions apply
Get a 2000 boiler installed through our FastTrack installation service.
Greenstar 1000
- Standard Guarantee - 5 years*
*Fitted with a Worcester Bosch or third-party system filter.
Greenstar oil boilers
- Standard Guarantee - 2 years
- With any System Filter - 5 years
- Extended Guarantee - 7 years*
The extended guarantee length can be achieved when installing the boiler with any Greenstar System Filter by a Worcester Bosch Accredited Installer or Worcester Bosch Accredited Partner. If your installer is a member of our loyalty programme but is a non-Worcester Accredited installer, they can achieve the extended guarantee length with an additional £40 payment via their loyalty account.
Find a local installer
Each heating system needs custom designing. Find and contact a Worcester Accredited Installer in your area to book a home visit.
After calculating the best system for your home and hot water requirements, your installer will then provide you with a free quote.