Identifying the most appropriate gas fired boiler type
Identifying the most appropriate gas fired boiler type
When you identify your next gas fired boiler there are a number of things you need to take into the decision. As well as the price involved, you have to take into account how much hot water you will be likely to require, how much space you have in your house and loft together with how much gas boiler will consume over its lifetime.
The most familiar gas fired boiler types are:-
Stand alone domestic back boilers
It is not uncommon to find back boilers in aging housing stock, being installed in the chimney they were sheltered from view, the coal fire oftentimes hid the back boiler which was at the back of it. Low water pressure is a problem in these heating boilers and they are now only fitted as replacements, they need a lot of space and in this form of boiler it needs to be obscured somewhere. If you already have a back boiler nonetheless a straightforward replacement could be your best choice.
In the past back boilers have not been known as being very cost-efficient, but the more recent versions are more economical, so by changing an elderly back boiler, you could cut your heating bills through improved efficiency.
Combination gas fired boilers
In the last few years the combi boiler has become the most popular type of gas fired boiler sold. They are cost-efficient and small enabling them to be installed into small spaces. You will not have to wait for hot water to heat up as they heat cold water direct - accordingly you get a plentiful supply of hot water.
Combi gas fired boilers are more economical than the other heating boiler types. Because combi central heating boilers dont use an external hot water cylinder, there is no water cylinder to heat first, and no require to reheat the same water once again if youve let it run cold. The downside of this is that combi boilers sometimes struggle to furnish several hot water taps simultaneously.
Unvented central heating system boilers
A central heating system heating boiler works on the concept of harnessed hot water. You will need to find some room in the airing cupboard hold this. The installation tends to be easier and lower-priced with this type of heating boiler as the other central heating system components are built in.
Getting various streams of hot water from different taps simultaneously is now manageable. You can get a good internal water pressure from a system central heating boiler by installing the hot water tank high in the home.
Open vent central heating system central heating boilers
a vented heating boiler is the normal central heating system in most peoples families. The open vent boiler requires to water tanks to be fitted in the attic, the airing cupboard is still required for the hot water storage tank and overall this takes a deal of space.
The hot water storage tank is supplied by one of the tanks in the attic.
Water expands when heated and this is helped by the 2nd tank in the attic. Although the hot water tank will take a while to heat up it it can supply several hot water taps simultaneously.