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The two brand name boilers that break down the least often


The two brand name boilers that break down the least often

When it comes to buying a new boiler, there are lots of different brand names competing for your attention. Alpha, Baxi, Glow-worm, Ideal, Potterton, Vaillant, Viessmann and Worcester Bosch to mention a few. But how do you know for sure which are the ones that are the most reliable? 

We get called out to fix boilers every day, so we know from personal experience that some brands are responsible for a larger percentage of emergency call-outs – and others are much more rarely so.

But then we’re just one firm – so maybe our experience is unrepresentative? A statistical anomaly.

That’s why it’s useful to be able to turn to the comprehensive research carried out by Which. This year, as they do every year, they carried out a survey of over 200 heating engineers to find out which were the most reliable. They also carried out a wider survey of 10,000 boiler owners on their experience with their own equipment. 

It is no surprise to us that Worcester Bosch came out top of the pile for both lists, with an overall rating of 92% and the Which Best Buy award. Our experience confirms that they produce some of the most reliable boilers around, with excellent build quality and spare parts easy to get hold of.

Second in the list for the heating engineers, with an overall rating of 78%, was Vaillant. Vaillant again scored high for reliability and, although maybe not quite as high as Worcester Bosch in that category, this was balanced by the view of heating engineers that Vaillant boilers are easier to repair that Worcester Bosch.

Interestingly, Vaillant was third on the list with the customers – knocked off the number 2 perch by Viessmann. A high customer score, but a considerably lower score from the engineers, largely because of negative experience in relation to the availability of spare parts. 

Most people want just one thing from their boilers – they want them to work reliably and consistently, especially when the colder weather has set in! Choosing wisely when you buy your boiler can make a huge difference to your experience in that regard.

Incidentally, on the reverse side, the Which survey suggested that Vokera and Ferroli boilers were the ones that were found to have the poorest reliability during 2017 – a perception that was common to both lists.

It’s worth bearing in mind that sometimes you get what you pay for!

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