What are the types of gas boilers on the market?
What are the types of gas boilers on the market?
You could require assistance in picking out your next gas fired boiler as this is not a straightforward price decision. You might commence with the cost but also want to think of other factors, whether you will use one hot tap or many simultaneously is to be looked at, how much space you have in your household and attic together with how much gas the boiler will use over its life.
We have listed in the most common forms of gas boiler below to give you supplementary data:-
Chimney gas back boilers
In the past back boilers were frequently installed in houses, these are are commonly sheltered at the back of a chimney, the coal fire frequently hid the back boiler which was at the back of it. Low internal water pressure is a problem in these gas boilers and they are now only installed as substitutions, it is space-hungry and in this form of boiler it needs to be obscured somewhere. Notwithstanding this if you currently have a back boiler then a transparent replacement could be your best alternative.
back boilers have not been noted for their economy in the past, but lately large advances in economy have been made, so by putting in a new back boiler, you could cut your heating bills through improved efficiency.
Popular Combination heating boilers
In the last few years the combi gas fired boiler has become the most popular type of gas boiler sold. They are small; fitting into cupboards, and really economical to operate. As they take cold water from the mains and heat it immediately this removes any time lag in waiting for hot water – as a result you have endless hot water.
They are more cost-efficient than other types too. There is no hot water storage tank reducing heat losses in the system. The downside of this is that combi heating boilers sometimes struggle to supply several hot water taps concurrently.
Unvented central heating system boilers
central heating central heating boilers use a water tank to store hot water. You will need to find some room in the airing closet hold this. The other system parts to be incorporated into the gas fired boiler simplifying the installation.
With a central heating central heating boiler you can draw hot water from a range of taps simultaneously, without someone elses bath going cold when they are using it. If the hot water cylinder is fitted high in the house you will also get good internal water pressure.
Open vent central heating system gas fired boilers
an open vent heating boiler is the typical central heating system in most peoples families. The open vent heating boiler requires to water tanks to be fitted in the attic, additional space is also required for the hot water storage cylinder fitted in the airing closet.
One of the loft cylinders feeds the hot water storage tank with water from the mains.
The other cylinder in the loft enables expansion of the water in the central heating when it heats up. Several taps or showers and baths can be run simultaneously but the hot water tank does have a finite capacity.