Boiler Guides

Whether you need to book a repair, get tips on buying a new boiler or just need a bit of  boiler care advice, these handy guides have got you covered.

We’re here to keep your home warm, and to make sure everyone has plenty of hot water for their morning shower. The hints and tips below will help you solve simple problems like low boiler pressure and show you how to improve your boiler’s efficiency.

Got a question about a boiler repair or service visit during the Coronavirus outbreak? You’ll find it covered in our FAQs along with advice on what to do in an emergency. You can also find more articles about looking after your home and your boiler on our Help and Support page.

Boiler problems


What to do if my boiler loses pressure

Boilers often break down at the worst of times, but sometimes there’s an easy fix! Here’s some step-by-step guidance on what to do if your boiler loses pressure (and when to call in the professionals!).


How to find a trusted gas engineer

Finding a reliable gas engineer can be tricky. We’ve compiled a list of steps to take when searching for a trusted gas engineer, and the warning signs for how to spot rogue traders.


How to tell if my boiler needs replacing

Here’s a list of the main “boiler-on-the-blink” complaints that can help you decide if your boiler needs replacing or if you can spend your hard-earned money on something more interesting.


Boiler repair vs cover vs replacement

Having trouble with your boiler and not sure what to do? Here’s a breakdown of the most common boiler issues and what you should do about them.

Boiler maintenance


How safe is my boiler?

Boiler issues can be frustrating, expensive and, very occasionally, dangerous. To help you understand when to worry, here’s a simple guide to common boiler complaints and what to do about them.


How efficient is my boiler?

Have you ever thought about how efficient your boiler is or how much it could be costing you? Here’s everything you need to know about your boiler’s performance and how to get the most out of it.


How can I improve my boiler’s efficiency?

An inefficient boiler not only costs you more money, it can also leave you struggling to heat your home and water during the colder months. Here are a few tips to help you get the most out of your boiler and lower your bills.


Why should I get my boiler serviced?

Getting your boiler serviced helps pick up on potential issues before they become problems. Find out some of the main benefits of giving your boiler a yearly health check.

Boiler replacement


What's the right boiler for me?

Choosing the right boiler for your home and family’s needs is a difficult and potentially costly decision. Answer these key questions to help you choose the best boiler for you.


Understanding boiler specs

Combi, system, conventional, condensing or energy-efficient? We’ll talk you through the main types of boiler and how to decide on the right type of boiler for your home.


Step-by-step guide to boiler installation

Getting a new boiler installed is a big (and often expensive!) decision and there are lots of things to consider. Our step-by-step guide to boiler installation should make things clearer so you know what to expect when you take the plunge.


Making the most of a boiler installation

Thinking it could be time for a new boiler? This could be your opportunity to consider add-on options and improvements that offer economical benefits, environmental boosts and upgrades. Find out how to make the most of a new boiler installation.