Worcester, Bosch Group has been awarded Which? Best Buys for the sixth consecutive year across its complete range of Greenstar gas-fired boilers. 

Worcester earned an overall score of 79 per cent, based on customers’ scores and engineers’ views. It scored five stars for reliability, customer satisfaction and build quality and also achieved the maximum star rating in five of the six categories.

The annual survey compared a total of 11 manufacturers, revealing Worcester to be the most reliable with its boilers remaining fault free longer.  

The results were calculated from the views of 10,779 owners and for the first time a 110 Which? Trusted Trader heating engineers were surveyed, with responses included only for brands they were not incentivised to install.  

A summary of the report said that Worcester offers: “Fantastic build quality and easy to source parts and spares.... [with] extremely reliable products across the range… a Worcester, Bosch Group gas boiler is worthy of its Best Buy status.”

Also highly rated in the report was the company’s oil-fired boiler range, which supplies heating for homeowners with properties located in off mains gas areas. On these a Which? Trusted Trader heating engineer said: “They have great build quality, good after sales support and they’re easy to install.”

Martyn Bridges, director of marketing and technical support at Worcester, Bosch Group said: “The Which? Customer Scores are based on owner’s satisfaction and how likely they are to recommend the brand. The fact we are able to achieve this status for a sixth successive year is a real testament to quality and reliability we consistently achieve, with no other manufacturer scoring higher on these points.”

“While products play an important role, installers are vital to helping us retain this award, by maintaining installation best practice and providing homeowners with thorough advice.”