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  2. Electric arc furnace - Wikipedia

    en.wikipedia.org/wiki/Electric_arc_furnace

    An electric arc furnace (EAF) is a furnace that heats material by means of an electric arc. Industrial arc furnaces range in size from small units of approximately one-tonne capacity (used in foundries for producing cast iron products) up to about 400-tonne units used for secondary steelmaking .

  3. Electric heating - Wikipedia

    en.wikipedia.org/wiki/Electric_heating

    Electric heating is a process in which electrical energy is converted directly to heat ... A storage heating system takes advantage of cheaper electricity prices ...

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Electric heating or resistance heating converts electricity directly to heat. Electric heat is often more expensive than heat produced by combustion appliances like natural gas, propane, and oil. Electric resistance heat can be provided by baseboard heaters, space heaters, radiant heaters, furnaces, wall heaters, or thermal storage systems.

  5. Heat pumps: How do they work, what do they cost and can ... - AOL

    www.aol.com/news/heat-pumps-cost-grant-150905743...

    The precise comparison depends on individual energy prices and how efficiently the heat pump works. Electric heat pumps use much less energy than than gas boilers, but electricity typically costs ...

  6. Electric furnace - Wikipedia

    en.wikipedia.org/wiki/Electric_furnace

    Electric furnace may refer to: Heat-producing equipment. An electric furnace; A central heating plant for a home or building; An electric arc furnace used for steel ...

  7. Industrial furnace - Wikipedia

    en.wikipedia.org/wiki/Industrial_furnace

    An industrial chamber furnace, used to heat steel billets for open-die forging. An industrial furnace, also known as a direct heater or a direct fired heater, is a device used to provide heat for an industrial process, typically higher than 400 degrees Celsius. [1]

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