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Saturday, 22 February 2014

Central Heating

Central heating has its origins in the underfloor heating system introduced by the Romans nearly 2,000 years ago. Warm and hot rooms in Roman times had underfloor heating with hot air channeled from furnaces.

The traditional houses of rural Korea have a similar device known as the ondol, which has been in use for about 2000 years. Ondol, which means "warm stone," involves the use of stones and underground ducts to help transport warm air from the kitchen to the rooms in the house.

The American architect Frank Lloyd Wright discovered ondol in the early 1900s and used it in many of his building designs

Leonardo Da Vinci created a forced air central heating system for a castle in Milan in the late 15th century.

From the 18th century, steam central heating, usually by pipe, was available in the West and installed in individual houses on an ad hoc basis.

The Scottish engineer James Watt heated his study with a steam pipe connected to a boiler, and Matthew Boulton installed steam heating in a friend's Birmingham house.

The Duke of Wellington's country house at Stratfield Saye near Basingstoke was presented to him in 1815 after his Waterloo victory. He installed central heating there, which was still at the time a little known luxury.

37% of British homes had central heating in 1972. In 2011 it was 98%.

Source Hutchinson Encyclopedia © RM 2014. Helicon Publishing is division of RM.

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