Types of boiler
Combi boilers
A combi boiler provides heating and hot water directly from the boiler, combined (hence the name) within one compact unit. Therefore, no separate hot water cylinder is required, offering space saving within the property.
Regular boilers
Regular boilers heat your central heating system directly and produce hot water for your cylinder. If you are replacing an older model of boiler, the chances are that you will have a regular (also known as ‘conventional’) boiler.
System boilers
A system boiler heats your central heating system directly and produces hot water for your cylinder. A system boiler is different from a regular boiler because it doesn’t use a feed/expansion cistern in your attic and also contains a pressure gauge and pump.
A helpful summary about boiler types
| Consideration | Most suitable boiler |
|---|---|
| You want to use your loft space for a room conversion or other purpose | COMBI |
| You live in a flat or bungalow (i.e. have very little or no roof space) | COMBI |
| Your home has more than 2 bathrooms | REGULAR OR SYSTEM |
| Your main water pressure is low | REGULAR OR SYSTEM |
| You want to replace an old boiler to improve an existing conventional central heating system | REGULAR, SYSTEM or COMBI |
| The number of people in your household means that there is regular demand for hot water on tap, but waiting for the tank to constantly refill and heat up is, or would be, inconvenient. | COMBI |
More information about combi boilers More information about regular boilers More information about system boilers
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