What is a combi boiler and how do they work?

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5 April 2021 - At Utility Warehouse, we offer customers the chance to upgrade their boilers to a brand new combi boiler.

Combi Boilers are the most common form of boiler that is installed in homes across the UK. But what exactly are they?

As their name suggests, combi (short for combination) boilers act as both water heaters and a central heating boiler while cutting out the need for additional water storage systems. This means for many, who live in flats or smaller houses, they are the perfect fit for their needs as they are simple and offer an effective way of heating households. Combi boilers heat water directly from the mains when you switch on any hot tap in your system. This is because they have two independent heat exchangers - one for your radiators and one for your hot water supply. 

 

There are many benefits to having a combi boiler, such as:

  • Being economical and energy efficient. Water in your home is heated instantly meaning you can have a hot bath without having to pre-heat the water 

  • Their size means they are perfect for smaller homes which may not have any loft space for the additional water tanks that many other boilers require. 

  • They are cheaper to install, requiring less pipework to get the hot water around your home

  • They are easier to install and maintain. As they are so common, most boiler engineers are now trained to repair them and maintain them. 

 

At UW, we offer customers the chance to upgrade their existing boilers to a new combi boiler from two Which? Best Buy suppliers - Valiant and Worcester Bosch. These boilers are installed by our Gas Safe registered engineers. A new and more efficient boiler will help you save £315 on your energy bills - a saving not to be sniffed at. 


For more information, visit the boiler section of our website.

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