Biasi Advance Plus Combi review
Brand scoreShow Context
- Gas
- Combi

Biasi’s Advance Plus combi boiler claims to have additional safety and efficiency features compared to the more basic Advance combi range. We put Biasi boilers to the test in our annual boiler reliability surveys, read our full review to find out how Biasi compares to the best, and worst, in the business.
What's included:- Pros and cons
- Heating engineer reviews
- Boiler owner views and reliability
- What type of home is this boiler suitable for?
Last checked by Which?
September 2021
First reviewed by Which?
October 2020

Technical specifications
General
- Manufacturer phone number01922 714600
- Manufacturer websiteWww.biasi.co.uk
The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.
Find out how we assess boilersPut 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.
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.
Suggested alternatives
Related articles
Best boiler brands
Our independent research reveals the best and worst boiler brands, based on the experiences of owners and impartial opinions of real boiler engineers. The worst manufacturer scored a pitiful two stars for reliability.
Buying a new boiler
Need a new boiler? Here's everything you need to know about buying a boiler, including how much it costs, if you can get it for free, as well as the pros and cons of combis, heat-only and system boilers.
How to buy the best boiler
Expert advice on how to buy the best boiler for your home, including picking the right type, size and brand. We compare combi, heat-only and system boilers and let you know which is best for your home so you make the right choice.