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  2. Water jacket furnace (metallurgy) - Wikipedia

    en.wikipedia.org/wiki/Water_jacket_furnace...

    Water jacket furnaces typically have a higher number of smaller tuyeres than a conventional iron-making blast furnace. Typically, feedstock was fed into a water jacket furnace through a sliding door arrangement in the side of the upper furnace structure, [18] [4] but not via the top itself as in a blast furnace for iron. At the top of a water ...

  3. Seasonal thermal energy storage - Wikipedia

    en.wikipedia.org/wiki/Seasonal_thermal_energy...

    A number of homes and small apartment buildings have demonstrated combining a large internal water tank for heat storage with roof-mounted solar-thermal collectors. Storage temperatures of 90 °C (194 °F) are sufficient to supply both domestic hot water and space heating. The first such house was MIT Solar House #1, in 1939.

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Circulating hot water can be used for central heating. Sometimes these systems are called hydronic heating systems. [22] Common components of a central heating system using water-circulation include: A supply of fuel, electric power or district heating supply lines; A boiler (or a heat exchanger for district heating) which heats water in the system

  5. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    [20] [32] In summer, the greenhouse is cooled with cold ground water. This heats the water in the aquifer which can become a warm source for heating in winter. [32] [33] The combination of cold and heat storage with heat pumps can be combined with water/humidity regulation.

  6. Biden administration updates furnace efficiency standards for ...

    www.aol.com/lifestyle/biden-administration...

    The Energy Department issued its final efficiency rules for residential furnaces on Friday, which it projects will save Americans over $1.5 billion in heating expenses per year. The updated ...

  7. Waterside hot water hay pellet furnace - Wikipedia

    en.wikipedia.org/wiki/Waterside_hot_water_hay...

    The temperature in the water chamber of the furnace can reach the boiling point within seven minutes, and at that rate, the furnace can burn off the majority of the ash and leave little waste. [4] Once development was complete on the furnace, the final working prototype of the waterside hay hot water pellet furnace was 45 inches tall and around ...

  8. Convection (heat transfer) - Wikipedia

    en.wikipedia.org/wiki/Convection_(Heat_transfer)

    For example, when water is heated on a stove, hot water from the bottom of the pan is displaced (or forced up) by the colder denser liquid, which falls. After heating has stopped, mixing and conduction from this natural convection eventually result in a nearly homogeneous density, and even temperature.

  9. Renewable heat - Wikipedia

    en.wikipedia.org/wiki/Renewable_heat

    Solar heating is a style of building construction which uses the energy of summer or winter sunshine to provide an economic supply of primary or supplementary heat to a structure. The heat can be used for both space heating (see solar air heat) and water heating (see solar hot water). Solar heating design is divided into two groups:

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