Which? endorsed boilers
Viessmann’s Vitodens combi boiler range has been awarded Which? Best Buy 2022
Why trust Which?
An independent charity, Which? was established over 60 years ago and is renowned for its genuine & unbiased reviews. It is now the UK's largest independent consumer body with more than 1.3 m members and supporters. Which? work entirely on behalf of the consumer, and nobody else – so you can be assured that an endorsement from Which? means that you're getting the very best advice available from a totally impartial organisation. At the heart of the Which? philosophy is ensuring products put consumers' needs first, to bring them better value.
Which?’s recommendation comes from a satisfaction survey of more than 8,000 people who purchased a boiler in the past six years, as well as more than 150 independent installers.