Also known as a combination boiler, a combi is the most cost-effective residential boiler. Both compact and highly efficient (up to 90%), the combi is an ideal choice for most homes and consists of a single unit that generates all the heating and hot water for your household.

For homes with multiple bathrooms, a system boiler could be a more appropriate option. It has all the same components as a combi boiler but without the hot water production. They work alongside a hot water storage cylinder and are up to 90% efficient.

An open vented also known as a heat only boiler only provides the heating and works alongside a hot water storage cylinder and a feed and expansion tank, usually found in the loft. Heat only boiler are also up to 90% efficient.
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For those who do not has access to a mains gas line, an oil boiler is a popular option. Fuelled by a supply of oil, usually stored in an external tank, the oil boiler generates heat and hot water for the property. Oil boilers are also highly efficient, with a rate over 90%

Solid fuel boilers come in a range of sizes to suit any home and use a supply of wood, coal or smokeless fuel to heat up the water, circulate it to a hot water storage cylinder and pump it around the property to the radiators.