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Heat Only Boilers header 1

Heat only boilers

A heat only boiler from Ideal is the perfect choice for larger properties. Also known as ‘regular boilers’ or ‘conventional boilers’, these models are the traditional way of providing hot water and heating to homes.

Our award-winning heat only boilers include features such as quiet operation and superior energy efficiency, so you can feel confident in your central heating system. 

If you have a small expansion tank and a larger cold water storage cylinder in your loft space, it’s likely you already have a heat only boiler. So if you’re looking to replace your old boiler with a new one, you’ll be able to find the right conventional boiler from our range below.

And for guidance on choosing the right model for your property, use our boiler finder tool.

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  • New heat only boiler information

    For advice and guidance about whether a heat only boiler is suitable for your home, speak to our Customer Service team. Call us on 01482 498 660 or find your nearest conventional boiler installer using our tool: Find your installer.

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    New conventional boiler support

    Understand how your new heat only boiler system works and what you can do to extend its lifespan with insight from Ideal Heating’s experts.

    Search and view our tips and advice for everything you need to know about your new conventional boiler.

    Heat only boiler FAQs

    Questions about heat only boilers? Our experts have all the answers!

    • What is a heat only boiler?

      A heat only boiler is also known as a regular boiler or conventional boiler. They are common in older UK homes, particularly those that were constructed before the 1970s. If your loft space holds a small expansion tank and larger cold water storage cylinder, you’ve probably got a regular heat only boiler. 

      For more information, read: What is a heat only boiler? And if you’re looking to replace an old boiler, find your new heat only boiler with Ideal Heating.

    • How does a heat only boiler work?

      A heat only boiler works by feeding cold water from the storage tank to the hot water cylinder. Here, the boiler heats the water which is then circulated to your taps and showers to provide hot water, or to radiators to provide heating. Read our tips and advice article to understand how heat only boilers work in more detail: What is a heat only boiler?

    • Combi boiler versus conventional boiler: What’s the difference?

      The difference between a combi boiler and a conventional boiler (also known as a ‘heat only boiler’) is combi boilers are one, single boiler that provides central heating and hot water, whereas a conventional boiler requires a cold water storage tank and a hot water cylinder to do so.

      Head to our blog to explore the difference between combi, heat only & system boilers in more detail.

    • How can I book a heat only boiler installation?

      Call our Customer Service team on 01482 498 660 to book your Ideal heat only boiler installation or use our location finder to view all installers near you. 

    • What size heat only boiler do I need?

      The right size heat only boiler for your home will provide efficient heating and hot water, and energy cost savings. There’s different factors to consider when choosing a heat only boiler size, whether you live in a small flat or a large property. 

      Our heat only boiler size guide is designed to help make the decision easier for you. You can also contact our Customer Service for more advice about the right boiler size for your home.

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    • How long does a heat only boiler last?

      If you’re maintaining your heat only boiler well and getting it serviced annually, then it can last between 15 and 20 years. Different factors, like the quality of the boiler and how often it’s used, can affect its lifespan. Our tips and advice page has guidance on how long a heat only boiler lasts before it needs replacing and how you can extend its lifespan.

    Support for installers

    Have a question about installing one of our heat only boilers? Please reach out to our team.

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    New build heat only boiler support

    Have a question about selecting or installing one of our heat only boilers? Please reach out to our team.

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    Heat only boilers for social housing support

    Have a question about choosing or installing one of our heat only boilers for social housing? Please contact us.