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Choosing the right boiler for your Boiler Installation


Choosing a new boiler, whether in your home or commercial premises, can be difficult, and the options available can seem bewildering. However, investing a little time in understanding the differences between combi, regular, and system boilers will not only ensure you choose the right type. Still, it may also save you money in the long run. There is no one-size-fits-all model, so in this guide, we discuss the benefits of each type of boiler to ensure you make the right choice.

Close up of a Vaillant Boiler
New Vaillant Boiler Installation

What Are The Differences Between Combi, Regular And System Boilers?

Central heating technology has progressed massively in the last few years, and there is now a choice of three types of boilers available on the market: Combi, Regular and System boilers.


Combi Boilers As The Best Choice For Smaller Homes

Combi boilers are the most popular choice of boiler in the UK due to their small and compact size, and they are swift and easy to install. They don’t require any other additional components, which saves on space in your home.

Key Features: Water is heated directly from the mains rather than a hot water cylinder, leading to instant hot water at any given time. Due to water being delivered from mains pressure allows the user to have a mighty shower.

Best for: Small and Medium Homes that don’t need many taps running simultaneously.

System Boilers – A Good Choice For Bigger Homes

System boilers are a good choice in homes that need a constant water supply to multiple outlets at a time. They are self-contained units, so they still have the advantage of being quick and easy to install.

Key Features: Water is heated in a hot cylinder, allowing a constant supply of hot water to different water sources at any one time. They are highly economical and can save you money on energy bills while delivering water at high pressure from the mains.

Better for: Larger homes with more demands, such as having more than one bathroom.

Choosing A Regular Boiler As The Traditional Choice In Your Home

Regular or traditional boilers are the best choice if you have multiple water outlets to be used at one time. They are compatible with older hot water systems that may not cope with the high water pressure that comes from modern combi boilers.

Key Features: A regular boiler can supply instant hot water to multiple outlets with a strong flow rate if a large amount of hot water is needed. Separate hot and cold water storage tanks are needed, so additional space in your home is needed. Regular boilers can reduce energy bills by being compatible with solar systems where energy comes from the sun.

Best for: Larger homes with two or more bathrooms or homes that may have additional en-suites. They are also suitable for areas of low pressure.

Boiler Installation For Domestic Homes

Whether upgrading your current system or looking for a completely new boiler, it is essential to understand the options available for boiler installation. In a domestic environment, the condition of pipework needs to be considered along with where the new boiler will be installed.

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