Combi boilers, or combination boilers to give them there full name, combine a properties water heating and central heating in one unit.
They are very cost effective as they heat the water, which comes straight from the mains, as it is being used which means that there is no need to have a cylinder to store the hot water.
This system means that when it is not necessary to run the central heating or to provide hot water, the combi boiler lies dormant which obviously means a great saving on energy costs for the householder.
In large houses or buildings more than one combi boiler can be utilised.
This means that heating and hot water can be used in different parts of the building at different times.
Also if one combi boiler breaks down the other can act as as a back up ensuring that there is a supply of hot water and heat through the radiators as and when needed.
Because combi boilers make no use of a warm water cylinder, and also eliminate the need for an expansion tank, there are a number of advantages to the householder in using them.
As well as not having to spend money on the tanks and their ancillary pipes and controls, the space saved by using a combination boiler can be put to good use.
For instance, many expansion tanks are kept in the loft.
But once it is removed the loft can be converted into extra living space.
The absence of the warm water cylinder will also save valuable space in the airing cupboard, providing room for extra storage.
Because of their space saving qualities combi boilers are a real boon to people who own small properties where individual hot water cylinders and expansion tanks would take up a lot of valuable room.
The advantage of not needing a hot water storage cylinder is that you will never run out of hot water when you need it.
So when wanting to have a bath you do not have to wait for the water to heat up in the tank as the hot water is available almost as soon as you switch on the tap.
Another advantage to having a combi boiler installed into a property is that they work on water mains power which means that you will not have to have a booster pump fitted for your shower.
Another big advantage to Combination boilers as opposed to traditional boilers is that they are relatively easy to install.
This along with the savings they make on fuel bills and the space that can be saved has helped contribute to their popularity amongst property owners.