What are the types of gas boilers on the market?
What are the types of gas boilers on the market?
You might require help in picking out your next boiler as this is not a transparent cost based conclusion. The price will be one leading influence but there are other factors, you will need to appraise when and how much hot water you will use at any time, how much gas the heating boiler will burn and how much space you have to install it.
The most familiar gas fired boiler types are named below for your perusal:-
Chimney back boilers
Back boilers are still found in some families, installation of these gas back boilers was normally behind the chimney in the front room, the coal fire oftentimes hid the back boiler which was behind it. Low internal water pressure is a problem in these heating boilers and they are now only fitted as replacements, it is space-hungry and you will require to find a place to conceal this type of boiler. Nonetheless, if you do already use a back boiler, then it could be the best choice for you when the moment comes to replace it.
In the past back boilers have not been noted as being very economic, however recently large advances in efficiency have been produced, so by putting in a new back boiler, savings on your heating bills could be available with a more efficient boiler.
Modern Combination gas fired boilers
In the last few years the combi gas fired boiler has become the most popular type of central heating boiler sold. They are small; fitting into cupboards, and really economical to operate. Heating water direct from the cold mains removes any wait moment for hot water - and your hot water supply will be unlimited.
Combi central heating boilers use less energy than the other types.. As they don’t store hot water there are decreased heat losses. Look out for somebody turning on all the hot water taps in your home whilst you are having a hot bath as it could temporarily turn cold.
Unvented central heating system gas boilers
A central heating central heating boiler works on the concept of stored hot water. This means that the space demands are larger. Constructing the other central heating constituents into the gas boiler this means that installation is less involved and lower-priced.
Getting various streams of hot water from diverse taps at the same time is now possible. You will also get good internal water pressure.
Open vent central heating gas boilers
Most houses will have a vented gas fired boiler installed. 2 water storage tanks will be fitted in the loft with an open vent central heating boiler, this is in addition to the hot water storage tank in the airing cupboard and all this takes a lot of space.
One tank takes in water from the mains supply and feeds the hot water storage cylinder.
Water expands when heated and this is facilitated by the 2nd cylinder in the attic. Many taps or showers and baths can be run simultaneously but the hot water tank does have a finite capacity.