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How to look after your boiler

We’re all about helping you keep your boiler in tip top shape – so it’ll run smoothly and efficiently. From repairs to replacements, this page is a handy hub for boiler info. Music to our ears!

Boiler issue? See our guides

There could be an easy fix you can do yourself before calling a professional.

How to repressurise your boiler

If you’re out of hot water, it could be that your boiler pressure is too low. Get it fixed with help from our guide.

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How to improve your boiler efficiency

Efficient boilers are better for the planet and could help your home save energy. Here are 6 ways to make yours more efficient.

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How to repair a boiler leak

If there’s a funny smell or some damp around your boiler, there might be a leak. Our guide has all you need to know about getting it fixed.

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How to fix common boiler problems

From faulty timers to flickering lights, we go through the most common things that can go wrong with your boiler. And more importantly, what to do about them.

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Boiler cover you can count on

Our network of Gas Safe registered engineers help keep your boiler running smoothly¹. Get a quote.

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Watch our handy videos

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Watch our handy videos

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More ways we can help


If you’re an OVO Energy customer, you can find out the best way to get in touch about boilers and home emergency cover.

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More ways we can help


If you’re an OVO Energy customer, you can find out the best way to get in touch about boilers and home emergency cover.

A woman reading a book to a child

Boiler cover from the enthusiasts


That’s us! We’re thrilled to tell you about boiler and home emergency cover¹. Our cover plans include an annual service to help keep your boiler in tip top condition.

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Boiler cover from the enthusiasts


That’s us! We’re thrilled to tell you about boiler and home emergency cover¹. Our cover plans include an annual service to help keep your boiler in tip top condition.

A woman watering some plants

There are 3 levels to choose from

Each one includes this good stuff as standard...

Unlimited call outs

Our network of expert engineers is raring to go

An annual service

Every boiler needs some TLC to help keep it safe and efficient

24/7 emergency helpline

Our dedicated team is ready to help, day or night

Not an OVO Energy customer?


If you're not with us yet, but you need a hand, our expert engineers can still help:

Book a boiler repair visit

Book a boiler service

A boiler on a light blue wall

Not an OVO Energy customer?


If you're not with us yet, but you need a hand, our expert engineers can still help:

Book a boiler repair visit

Book a boiler service

A boiler on a light blue wall

Buying a new boiler


It can be a big expense and the options can be daunting. But if the time comes to buy new, our guides can help you make the best decision for your home.

A woman standing in a doorway talking to an engineer

Buying a new boiler


It can be a big expense and the options can be daunting. But if the time comes to buy new, our guides can help you make the best decision for your home.

A woman standing in a doorway talking to an engineer

Check out A-rated boilers

You can find a range of brilliant boilers with our partner CORGI HomeHeat. All of these boilers are A-rated – meaning they score top marks for efficiency.

The boilers come with a smart thermostat. This handy tech lets you adjust your home heating through an app, so you can keep on top of when your home is heated, and the temperature.

Greener ways to heat your home

Check out our guides to the different options out there for lower carbon home heating. From air source heat pumps to storage heaters – and more.

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Alternatives to gas boilers

To help you cut carbon at home, here are some greener alternatives worth exploring.

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A guide to low carbon heating solutions

There’s all sorts you can do in your home to reduce its carbon footprint. From nifty modern storage heaters to solar thermal panels, here are some options for you.

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All you need to know about air source heat pumps

To find out all about this low-carbon home heating option, read our handy guide.

Find out more
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Heat pumps vs boilers: what's right for you?

From costs to installation, there’s a lot to think about before you switch your heating system. Here’s some handy info to help you decide.

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Air source heat pump grants for UK households

If you’re looking to switch to a heat pump, there might be financial help available to you. Our guide takes you through the options.

Find out more

Ways to make your home more energy efficient

Here are some ideas to help make your home more energy efficient – which can help lower your home’s carbon emissions, and save energy.

Using a smart thermostat

A tado° Smart Thermostat lets you adjust your heating from your phone. OVO customers get £79.99 off. Get a smart thermostat.

Getting a free smart meter

Smart meters show you how much energy you’re using – making it easier to spot ways to save. Book today.

Looking after your boiler

Keeping your boiler in good shape means it’ll work more efficiently. All our cover plans include an annual service. Get boiler cover.

Why join OVO Energy?

100% renewable electricity

For all our customers with a smart meter²

We plant 1 million trees

In the UK for our customers, each year³

You're in safe hands

We’re powering over 4 million UK homes⁴

¹ Terms, conditions, eligibility criteria, exclusions and cancellation charges apply.

² From 1 October 2022, 100% renewable electricity is only available to customers who currently have an electricity smart meter or who have a smart meter installed. You can book a smart meter installation or get more information online. Not all customers may be able to have a smart meter installed. Terms and eligibility criteria apply.  If you are on a fixed contract you will still receive 100% renewable energy until the end of your contract. The renewable electricity we sell is backed by renewable certificates (Renewable Energy Guarantee of Origin certificates, also known as REGOs). Get more details on REGOs and how these work. A proportion of the electricity we sell is also purchased directly from renewable power generators in the UK.

³ OVO Energy plants 1 million trees across the UK each year with its tree planting partners, The Conservation Volunteers and the Woodland Trust. Trees absorb carbon dioxide from the atmosphere, so planting trees helps to slow down climate change.

⁴ OVO is made up of the energy suppliers SSE Energy Services, OVO Energy, and Boost. Together, we power over 4 million UK homes with energy. This figure is correct as of 22 January 2023.

OVO Energy is a trading name of CORGI HomePlan Ltd, a firm authorised and regulated by the Financial Conduct Authority under firm reference number 824122 to carry on insurance distribution. CORGI HomePlan Ltd is registered in Scotland (Company No. SC358475). Registered Office: Cadworks, 41 West Campbell Street, Glasgow, G2 6SE.

CORGI HomePlan is part of the OVO Group Ltd.