The leading forms of central heating system
The leading forms of central heating system
Purchasing a new central heating system is not a straightforward affair, you first should interpret what form of system is best suited to your dwelling house. Below you will find an outline of the main variants of central heating system presently sold. Most if not all of these Central Heating System comprise of a heating boiler, radiator and pipework.
Air conditioning systems are not yet a standard feature in homes whereas every northern European dwelling house is built with a form of central heating. The bulk of new houses that are being built in this day and age are built with a Central Heating System.
Try running a home without your central heating system switched on and you will quickly visualise how important the system is. Most homes are transformed when the heating system is switched on delivering a comfy temperature. Hot water production is another crucial role in the life of a central heating system. As heating and hot water are essentials your system needs to be reliable. You want to fit the central heating system to your household requirements so that it both meets your requirements and uses energy efficiently.
The main variants of the central heating system are sealed systems and pumped systems.
The most frequent type of system is the pumped/vented system. The primary difference you will see is that this form of heating system in addition to the hot water cylinder is that it has an expansion tank. Hot water expands and in this type of system flows back to the expansion tank. The tank is placed in the highest place in the house, normally the loft area.
A more modern alternative is a sealed system. An advantage of a sealed system is that it has no requirement for an expansion tank. The mains water is used to supply the sealed Central Heating System. This frees your attic of the expansion tank and pipe work, the whole system is sealed, its unvented, which has its benefits:
- no risk of freezing pipes in the loft
- fewer constituents mean reduced purchase costs
- less chance of copper piping developing leaks
- as the system is sealed there is less chance of air introduction leading to corrosion or airlocks
Any water pressure variances are accommodated by the incorporation of a pressure vessel. Safety valves open if the inner pressure is too high. Other automated valves open to allow the internal water to be topped up if it drops to low.