A combination or ‘combi’ boiler is the most common type of boiler system in the UK, and provides heat for your radiators and domestic hot water on demand. The majority of replacements that place within the UK today is done for a combination boiler which on the whole provide he more than the conventional condensing boiler.
A combination boiler is a self containing system with no need for ancillary parts, making them the leading choice for a replacement as a typical refit can occur in one day. The primary function of a combination boiler is to take cold water from the mains and to efficiently heat it on demand thus meaning there is no need for a storage tank or cylinder.
Combination Boiler Pros
– The fact that they are compact is great space saver
– As they adopt an on demand system your bills will be lower
– Hot water on Demand
Combination Boiler Negatives
The only downside of a combination boiler comes down to over utilization of the system, what this means is as the system is an on demand supply the more people that tap into it at the same time the less efficient it becomes. This means they are ideally not suited to large house holds with more than 5 people. In this scenario an open-vented heat only gas system should be the preffered choice i.e. a conventional boiler. To find out more on BoilerKing conventional boiler click here