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A radiator is a device that transfers heat to a medium primarily through thermal radiation.In practice, the term radiator is often applied to any number of devices in which a fluid circulates through exposed pipes (often with fins or other means of increasing surface area), notwithstanding that such devices tend to transfer heat mainly by convection and might logically be called convectors.
The Roman hypocaust is an early example of a type of radiator for building space heating. Franz San Galli, a Prussian-born Russian businessman living in St. Petersburg, is credited with inventing the heating radiator around 1855, [1] [2] having received a radiator patent in 1857, [3] but American Joseph Nason and Scot Rory Gregor developed a primitive radiator in 1841 [4] and received a number ...
With high peak-flow volumes, the design and construction of these systems may resemble those of storm sewers. Fittings for central vacuum systems are similar to DWV fittings but usually have thinner and lighter construction because the weight of the materials conveyed is less. Vacuum-system designs share with DWV designs the need to eliminate ...
Liquid cooling is also used to remove heat from large buildings by using chillers which transfer the coolant from the evaporator to air handling units, chilled beams and fan coil units inside the building, and to the cooling towers from the condenser if the condenser is liquid-cooled.
By 1916, the Trane's were no longer in the plumbing business, but instead focused their attention on manufacturing heating products. Reuben's invention of the convector radiator in 1923, which replaced the heavy, bulky, cast-iron radiators that prevailed at the time, was a major success. Trane's first air conditioning unit was developed in 1931.
A system of copper water tubes used in a radiator heating system A water pipe is a pipe or tube , frequently made of plastic or metal, [ a ] that carries pressurized and treated fresh water to a building (as part of a municipal water system ), as well as inside the building.
In Korea, the ondol system, meaning "warm stone," used flues beneath the floor to channel smoke from a kitchen stove, heating flat stones that radiated heat into the room above. Over time, the ondol system adapted to use coal and later transitioned to water-based systems in the 20th century, remaining a common heating system in Korean buildings.
Equivalent names are "low voltage", "data", and "telecommunications" or "comms". A low voltage system used for telecommunications networking is not the same as a low voltage network . The information technology sector of electrical installations is used for computer networking, telephones, television, security systems, audio distribution ...