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Central heating - history
The ancient Greeks originally developed central heating.The Temple of Ephesus was heated by Flues planted in the ground and circulating the heat which was generated by fire.
Some buildings in the Roman Empire used central heating systems, conducting air heated by furnaces through empty spaces under the floors and out of pipes in the walls?a system known as a hypocaust.23 The Roman hypocaust continued to be used on a smaller scale during late Antiquity and by the Umayyad caliphate, while later Muslim builders employed a simpler system of underfloor pipes.4 After the collapse of the Roman Empire, overwhelmingly across Europe, heating reverted to more primitive fireplaces for almost a thousand years. In the early medieval Alpine upland, a simpler central heating system where heat travelled through underfloor channels from the furnace room replaced the Roman hypocaust at some places.
In Reichenau Abbey a network of interconnected underfloor channels heated the 300 m? large assembly room of the monks during the winter months.
The degree of efficiency of the system has been calculated at 90%.5 In the 13th century, the Cistercian monks revived central heating in Christian Europe using river diversions combined with indoor wood-fired furnaces.The well-preserved Royal Monastery of Our Lady of the Wheel (founded 1202) on the Ebro River in the Aragon region of Spain provides an excellent example of such an application. Źródło: https://en.wikipedia.org/wiki/Central_heating
control hydraulic
emergency plumbers HarrowAny equipment or installation is exposed to certain specific faults that occur during use. Many of them can be easily repaired, but some require our specialized knowledge and skills. To avoid such problems, which can be particularly troublesome when it comes to plumbing, it is appropriate to deal with installations. To this end, regular checks and inspections, so that potential failures are detected before they even occur. Such inspections simply call the appropriate service to on-site check everything thoroughly. All it will take a little time, and with such a service gain confidence that will not meet us serious problem.Water heating
Circulating hot water can be used for central heating.
This allows for normal variations of pressure in the system.
A safety valve allows water to escape from the system when pressure becomes too high, and a valve can open to replenish water from the normal water supply if the pressure drops too low.
Sealed systems offer an alternative to open-vent systems, in which steam can escape from the system, and gets replaced from the building's water supply via a feed and central storage system. Heating systems in the United Kingdom and in other parts of Europe commonly combine the needs of space heating with domestic hot-water heating. These systems occur less commonly in the USA.In this case, the heated water in a sealed system flows through a heat exchanger in a hot-water tank or hot-water cylinder where it heats water from the regular potable water supply for use at hot-water taps or appliances such as washing machines or dishwashers.Źródło: https://en.wikipedia.org/wiki/Central_heating.
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