May 29 2009
A History Of Household Heating And Contemporary Methods
Although it is considered a modern convenience, central heating goes right back to Ancient Greece. Central heating itself is a system that provides heat to either a section of, or the whole of the interior of a given building.
It is believed that in around 350 BC the homes of the wealthy and the Great Temples in the ancient times of Greece were heated by warm air that was circulated through flue systems in the floor. Today, because we have electricity to power blowers, forced-air systems warm billions of homes all around the world.
These forced air systems draw air into their pipes through to a furnace where the air is warmed and sent back into the room. There are different sizes of each model system so as to provide for every size room.
These systems are sometimes used with an AC (air conditioning) unit, air filter and a humidifier. The pipes themselves will normally be made from metal wrapped in insulating foam to keep in as much heat as possible.
Local heating differs from central heating as the heat is generated in one place, e.g. a furnace room. The heat then begins circulating, usually either by water thats being forced through piping, steam thats being pushed through pipe work or by air that is being forced through piping.
In the parts of northern Europe where they have cold weather most of the time anyway, they have very little need for air conditioning, and so most new houses will have central heating pre-installed.
Steam heating systems, heated by oil, coal or gas can be found in the USA, Russia and Europe, usually in the bigger buildings. Electric systems are found less and are practical only with cheap electricity or where geothermal heating pumps are used.
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