Reviews

Free, unbiased advice on buying and choosing the right product for you - plus members can see a full breakdown of test scores and the latest Best Buys and Don't Buys too.

Campaigns

We campaign to make people's lives simpler and fairer. Let's make change happen.

Campaigns
- Get involved in our latest campaigns and find out how to take action.
Calling time on nuisance calls and texts
- Annoyed by nuisance calls and texts? Pledge now to show your support.
Consumer Rights
- An expert guide to your consumer rights with free tools and advice for what to do if things go wrong.
Big Change
- Want better products and customer service from your bank? Call for banks to work for customer, not bankers.
Affordable Energy
- Fed up with confusing energy tariffs and rising bills? Take action to secure simple and fair energy prices.
Which? Policy
- Find out about the policy which underpins the work we do to campaign for consumers.
Price it Right
- Struggling to spot the best supermarket deals? Work with us to call for clear food pricing.
Fixed Means Fixed
- Tired of mobile phone price rises? Help us stop increases on fixed term mobile contracts.
Which? Conversation
- A community website to share your views on the consumer issues of the day.

Services

Get tailored one-to-one advice from our range of legal, financial, travel and technology experts to help you make the right decisions.

Mortgage Advisers
- Our impartial advisers look at every mortgage from every available lender to help you find the right mortgage.
Legal Service
- Subscribe to Which? Legal Service to get simple and affordable legal advice from our expert lawyers.
Wills
- Writing an online will with Which? Wills is an easy, affordable and efficient solution.
Money Helpline
- Expert, unbiased information and guidance to help our members make the best financial decisions.
Computing Helpdesk
- Jargon-free technical support and buying advice to help make sense of our members' computing issues.
Consumer Rights
- An expert guide to your consumer rights with free tools and advice for what to do if things go wrong.
Which? Local
- Find reliable traders from thousands of local business reviews by Which? members across the UK.
Which? Switch
- Save money by comparing and switching your gas and electricity supplier using our free independent service.
Which? University
- Our free tool helps you choose what to study, where to go and how to get there.

About us

Which? exists to make people as powerful as the organisations that affect their lives. We don't accept any advertising, freebies or sponsorship. All our research and campaigning is completely independent and funded by subscriptions.

About Which?
- Find out more about what we do and how we work, including more about the Which? Council.
Become a Member
- Discover the benefits of Which?. Find out more about what your subscription includes and take a trial.
Which? Policy
- Find out about the policy which underpins the work we do to campaign for consumers.
Contact us
- Whether you're new to us or a longstanding member, there are several ways to get in touch.
Help
- FAQs on subjects including using which.co.uk and accessing your account.
Press Office
- Latest news releases and statements, information on spokespeople and contacts for journalists.
Careers
- Find out more about working at Which? including latest vacancies and how to apply.
Which? Directory
- Can't find what you're looking for? Access the complete A-Z directory of Which? Sites.

You are here:
Which? home >
Home & garden >
Heating, water & electricity >
Boiler reviews >
How to buy the best boiler

Boilers: How to buy the best boiler

From choosing the best boiler for your home to getting your boiler installed
Typical boiler prices from boiler brands including Baxi, Vaillant and Worcester
Pros and cons of combi boilers and conventional boilers
Condensing boilers and oil boiler systems explained

Reviews

Campaigns

Services

About us

In this section

You may also be interested in

Boilers: How to buy the best boiler

What's in this guide