What is a Combi Boiler?

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There are three most common types of boiler options which are combi boilers, system boiler and regular boilers. With so many different types of boilers on the market it can be difficult knowing what boiler is suitable for your home. In this article, we explain what a combi boiler is.

So, what is a combi boiler?

A combi (combination) boiler is the UK’s most popular type of boiler. It is a compact unit which provides both heating and hot water on demand without the need for a separate hot water tank. With its ingenious space-saving idea and the ability to only heat the water you use it’s clear to see why it’s the go to boiler choice.

How does a combination boiler work?

A combination boiler is connected to the mains water supply. When a hot water tap is turned on, gas burner is ignited, and a heat exchanger transfers the energy to the water. The exchanger allows hot water to be generated almost immediately, for hot water on-demand at any time of the day.

Pros & cons of a combination boiler

Each household is different so, they have their own central heating requirements. Depending on your requirements a combi boiler may or may not be suitable for your home. Here’s a list of pros and cons of combi boilers.

Pros of combination boilers:

Unlimited supply – A combi boiler has no hot water tank to heat up so, they provide you with an unlimited supply of hot water on demand.

Cheaper – Combination boilers have less components compared to other types of heating systems so, the cost to install one tends to be cheaper.

More efficient – Compared to older boiler model, the combi boilers are much more efficient and can save you money on your heating. According to the energy saving trust, a combination boiler could help you save up 25% on your heating bills.

More compact – A combi boiler is an ingenious space-saving idea because there is no need for a separate water tank these type of boilers take up less space so, are ideal for smaller homes with limited space.

Cons of combination boilers: 

Relies on mains pressure – A combi boiler relies on mains pressure to ensure it is working properly. If you are thinking about having a combi boiler installed in your home, you should check what the mains pressure is in your areas before going ahead with the installation.

No immersion heater (back up water supply) – If your combi boiler breaks down certain components can leave you with no heating or hot water.

Limited use – A combi boiler wouldn’t be suitable for a large house with a few bathrooms and en- suites because you cannot run more than one shower or bath at the same time so, it limits your usage.

Combi Boiler Installation from fixx

Do you need a new boiler installation? Fixx can install your new combi boiler within 24 hours of your enquiry. All our engineers are on the Gas Safe Register so, you can have peace of mind that all boiler installations carried out by us are completed safely and efficiently. Our gas engineers are trained to the highest standard and have experience installing a range of boilers from leading brands including Ideal, Viessmann and Worcester Bosch. To request a free boiler quote, please call us on 0330 3530 365 or fill in our boiler quote form.