Our Greenstar gas boilers are highly efficient and for the third year running scooped Which? Best Buys. In addition, Worcester was voted the most reliable boiler brand and most satisfied customers among Which? members.
5 year guarantee on selected boilers
Greenstar CDi and Si compact combi boilers, i System boilers, and Ri regular boilers, purchased and installed before 31st December 2014 are eligible for a 5 year guarantee (terms and conditions apply).
Find information on Greenstar gas boilers below, or, use our Find a Boiler search to see which is the best boiler to suit your needs.
Combi gas boilers
Regular gas boilers
|Greenstar 40CDi Classic Regular|
|Greenstar 30CDi Classic Regular|
|Greenstar FS 42CDi Regular|
|Greenstar FS 30CDi Regular|
System gas boilers
|Greenstar 30CDi Classic System|
|Greenstar 30i System|
|Greenstar 27i System|
|Greenstar 24i System|
|Greenstar 18i System|
|Greenstar 15i System|
|Greenstar 12i System|