Which are the best types of central heating gas boiler
Which are the best types of central heating gas boiler
There are a number of kinds of Central Heating Systems on the market these days. These systems for the most part are made up of a number of central heating radiators, pipework and of course a gas boiler.
Whilst we need central heating systems air conditioners are not needed in the United Kingdom and Europe because of the average temperature throughout the year. Today a good Gas Central Heating system has become a major part of every home, so much so that it is being fitted in all the new houses that are being built.
A reliable Gas Central Heating system is important to keep your home warm especially during winter months. While snowstorms rage on outside, you can be safe and warm on the inside. Your Gas Central Heating System needs to be reliable. It is essential to have peace of mind that your Central Heating System is not only practical to use but also safe.
Two kinds of Central Heating Systems are mainly in use; pumped/vented and sealed systems.
Pumped/vented systems are the ones that many homes have and they have the most components resulting in potentially higher maintenance costs. The basic differentiating components of such a system are a feed and expansion tank. The hot water storage tank provides your home with warm water and brings heat to the radiators. The expansion tank has adequate space to accommodate any water expansion that occurs due to heat. The tank is placed in the highest place, normally the loft area. The hot water tank has two main functions; to heat the house and and provide hot water for washing.
A pumped/vented Gas Central Heating System is what most homes probably have, especially those built many years earlier.
A heating boiler system that is somewhat newer and more modern and that most people are choosing nowadays over the pumped/vented Central Heating system is the sealed system. A sealed system, as the name suggests is a closed system so no water tanks are needed. This unvented system eliminates water tanks and attic plumbing, thus giving a number of advantages.
- The problem of freezing pipes is eliminated.
- No maintenance or repair work is required for the pipes and tank which would have been in the loft.
- The risk of leaks is decreased.
- Unlike pumped/vented systems, air is not drawn through open vents so the possibility of air locks, corroding and sludge is much lower.
- It is possible to flush out the system if required by using the mains water supply.
A sealed Gas Central Heating System is a packaged unit with all the necessary controls and safety devices. The water for the system is provided directly from the main water pipe of the house. It is plumbed straight into the main water supply.
Separated from the sealed system by a diaphragm is a pressure vessel, which contains compressed gas; this vessel is responsible for managing variations of pressure in the heating system. A safety valve will let water to escape or fill up depending on whether the pressure becomes too high or too low respectively.
As compared to other heating systems, Gas Central Heating systems are cheaper to run. Their ease of operation and versatility is much better than other types of heating.