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  2. IGS Energy - Wikipedia

    en.wikipedia.org/wiki/IGS_Energy

    IGS Energy, also known as Interstate Gas Supply, Inc., is an independent retail natural gas and electric supplier based in Dublin, Ohio, United States.It serves more than 1,000,000 residential, commercial and industrial customers in the states of Ohio, Michigan, Kentucky, New York, Pennsylvania, Indiana, Virginia, Maryland, Texas, California, Illinois and Massachusetts.

  3. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Primary energy sources may be fuels like coal or wood, oil, kerosene, natural gas, or electricity. Compared with systems such as fireplaces and wood stoves, a central heating plant offers improved uniformity of temperature control over a building, usually including automatic control of the furnace.

  4. Heating system - Wikipedia

    en.wikipedia.org/wiki/Heating_system

    This category includes furnaces, boilers, and heat pumps. [1] [2] Distributed heating systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters, fireplaces, and solar heating. [3]

  5. Surface Combustion - Wikipedia

    en.wikipedia.org/wiki/Surface_Combustion

    Surface Combustion, Inc. is a North American manufacturer of industrial furnaces and heat treating equipment headquartered in Maumee, Ohio, in the United States.The company was founded in 1915 and purchased by the Midland-Ross Corporation (a steel manufacturer) in 1959.

  6. NiSource - Wikipedia

    en.wikipedia.org/wiki/NiSource

    NiSource Inc. is one of the largest fully regulated utility companies in the United States, serving approximately 3.5 million natural gas customers and 500,000 electric customers across six states through its local Columbia Gas and NIPSCO brands. The company, based in Merrillville, Indiana, has more than 8,000 employees. As of 2018, NiSource is ...

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    The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

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