Helping you look after your home. Boiler and heating guides
Want to get to know your boiler better and learn how to look after it? Or wondering whether you should repair it or replace it? Our handy guides are here to help.
Understanding your boiler and heating system
How efficient is my boiler?
Learn how boiler efficiency is key to keeping your bills in check.
How safe is my boiler?
Boiler misbehaving? Find out if it’s a serious issue.
Your boiler’s technical specifications explained
Get to know all the facts about your boiler.
What is a Thermostatic Radiator Valve (TRV)?
Everything you need to know about these little gadgets that can help you go greener.
What is a pressure relief valve?
The important role of a pressure relief valve Find out exactly what it does in keeping your boiler safe.
What is hydrogen heating?
Find out how hydrogen could power homes in the future and what it means for you.
Looking after your boiler
Should I get my boiler serviced?
Unnecessary expense or excellent idea? We unpack the facts.
What to do if my boiler loses pressure
Boiler losing pressure? We show you how to put it right.
How can I improve my boiler’s efficiency?
Stop wasting energy and money with our boiler efficiency tips.
How to find a trusted gas engineer
What to look for when you need a professional.
Why is my boiler noisy and how do I fix it?
Find out if your boiler’s noises are normal – and when to call an engineer.
Your guide to bleeding radiators
Learn when and how to bleed your radiators to keep your home cosy.
Common boiler problems
Learn the quick checks that could get your boiler running again.
Easy boiler fixes
Discover simple DIY steps that can solve the most common boiler issues.
How do I repressurise my boiler?
Follow clear steps to top up your boiler’s pressure safely and easily.
How do I repressurise a Worcester Bosch boiler?
See the right method for restoring pressure on your Worcester Bosch model.
Why isn’t my central heating working?
Check the most common causes of heating issues before calling an engineer.
Buying a new boiler
What's the right boiler for me?
Find out about the different types of boilers, and which is right for you.
Step-by-step guide to boiler installation
Everything you need to know about buying a new boiler.
Boiler accessories to optimise efficiency
Make the most of your boiler – and save energy too.
Paying for your new boiler
Check out the flexible ways you can pay for your new boiler with British Gas.
Repair vs replacement
When should I replace my boiler?
Your lowdown on the signs that show it’s time to replace your boiler.
Boiler cover vs repair vs replacement
Get to know your options if you’re having boiler issues.
Replacing your boiler with a combi boiler
Is a combi boiler right for you? And what does the switch involve?
Get to know boiler manufacturers
Vaillant boilers
Everything you need to know about the company that makes boilers in Britain, all backed by the power of German tech.
Worcester Bosch boilers
Discover more about the Worcester-based company that has a Royal Warrant to supply the Sandringham Estate.
Ideal boilers
Learn about the boiler company that was born in Hull over 100 years ago – and still has offices there.
Glow-worm boilers
As it celebrates it's 90th birthday, learn more about the proudly British boiler manufacturer based in Derbyshire.
Air source heat pumps
How are heat pumps installed?
Learn more about how heat pumps are installed and factors to consider when looking to get a heat pump for your home.
Air source heat pump costs
Find out more on the costs involved in getting a heat pump installed in your home.
What size heat pump do I need?
Discover what impacts the size of a heat pump and how to calculate what size heat pump is right for your home.
Heat Pump Grants
Lean more about the different types of Heat Pump grants, eligibility, and application process. Get started on energy-efficiency heating today.
Differences between heat pumps and boilers
Explore the differences between heat pumps vs boilers to find your best heating solution.
Heat Pumps explained
Learn how heat pumps work, the different types available, and whether they could be the right low‑carbon heating solution for your home.