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  2. Fireplace insert - Wikipedia

    en.wikipedia.org/wiki/Fireplace_insert

    The fireplace insert was invented in 1896 by Joab R. Donaldson of Oliphant Furnace, Pennsylvania, United States. [1] Joab was a 59-year-old coal miner and father of 14 at the time of his patent. He came upon the idea as a means of using coke (a smokeless fuel made by the destructive distillation of certain types of coal ) and incorporating the ...

  3. Electric fireplace - Wikipedia

    en.wikipedia.org/wiki/Electric_fireplace

    An electric fireplace is an electric heater that mimics a fireplace burning coal, wood, or natural gas. Electric fireplaces are often placed in conventional fireplaces, which can then no longer be used for conventional fires. [1] They plug into the wall, and can run on a "flame only" setting, or can be used as a heater, typically consuming 1.4 ...

  4. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    A direct vent fireplace is a prefabricated metal fireplace that employs a direct-vent combustion system. "Direct vent" refers to a sealed-combustion system in which air for combustion is drawn from the outdoors, and waste combustion gasses are exhausted to the outdoors. "Direct vent" does not simply mean that all gasses from combustion are ...

  5. Innovative Hearth Products - Wikipedia

    en.wikipedia.org/wiki/Innovative_Hearth_Products

    Innovative Hearth Products. Innovative Hearth Products (IHP) designs and manufactures a wide variety of fireplaces and fireplace accessories within 4 separate brands: Astria Fireplaces, IronStrike Stoves & Inserts, Superior Fireplaces, and Comfort Flame. [1][2]

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  7. Flue-gas stack - Wikipedia

    en.wikipedia.org/wiki/Flue-gas_stack

    A flue gas stack at GRES-2 Power Station in Ekibastuz, Kazakhstan, the tallest of its kind in the world (420 meters or 1,380 feet) [1]. A flue-gas stack, also known as a smoke stack, chimney stack or simply as a stack, is a type of chimney, a vertical pipe, channel or similar structure through which combustion product gases called flue gases are exhausted to the outside air.