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Boiler brand guides

Biasi boiler guide

By Matthew Knight

Article 5 of 20

Find out how reliable Biasi boilers are with the results of our unique boiler owners' survey. Once you've learned about Biasi boilers, you can look at its range in our Biasi boiler reviews.

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Biasi UK was formed in 1990 and distributes boilers throughout the UK. 

It promises to bring over 74 years of manufacturing experience and prides itself on a reputation for quality, reliability and performance.

It has a range of combi, regular or system boilers called either Advance or Inovia. You can find out more about the individual boilers in its range in our Biasi boiler reviews.

More than 8,000 members of the general public take part in our annual boiler brand reliability and customer satisfaction survey, enabling us guide you to the best and worst boiler brands. We also conduct a survey with more than 170 trusted boiler engineers to get their independent views on which boiler brands are the best.

Boiler brand guide
Brand data for Biasi boilers
Overall score M
Customer score
Engineer recommendation
Build quality
Availability of parts and spares
Ease of fixing a common fault
Ease of servicing
Table notes
The reliability and customer score are based on responses from a May and June 2019 survey of 8,458 boiler owners.
Engineer recommendation, build quality, availability of parts and spares, and ease of fixing a common fault and ease of servicing are based on responses to a June 2019 survey of 171 Which? Trusted Traders heating engineers.


Member Content

How much do Biasi boilers cost?

Biasi gas boilers cost between £540 and £720, depending on their type and size. It's one of the cheaper boiler brands on the market. 

Biasi boilers installation

Expect to pay up to £1,500 for a new boiler installed in a new location. For more information about how much you should expect to pay, see our guide to the cost of installing a boiler.

Biasi servicing and repairs

Biasi claims to have a network of engineers and installers that operate across the UK. You can contact its customer service helpline on the contact details below. 

Biasi contact details

You can contact Biasi at the following email address:


or by calling them on