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  2. District heating substation - Wikipedia

    en.wikipedia.org/wiki/District_heating_substation

    Heat exchanger - to split primary and secondary side of the system; Control valve - to regulate the flow through the heat exchanger; Heat meter - to measure energy consumption and allocate costs; Strainer - to remove particles that could block heat exchanger or control valve; Shutdown valve - to stop the flow on primary side in case of service ...

  3. Economizer - Wikipedia

    en.wikipedia.org/wiki/Economizer

    An internal heat exchanger is simply a heat exchanger that uses the cold gas leaving the evaporator coil to cool the high-pressure liquid that is headed into the beginning of the evaporator coil via an expansion device. The gas is used to chill a chamber that normally has a series of pipes for the liquid running through it.

  4. Heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Heat_exchanger

    Tubular heat exchanger Partial view into inlet plenum of shell and tube heat exchanger of a refrigerant based chiller for providing air-conditioning to a building. A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. [1]

  5. How much more will it cost to heat your home this winter? - AOL

    www.aol.com/news/much-more-cost-heat-home...

    On average, spending on home heating this winter is projected to increase by 8.7% to $941, up from $866 last winter. The increased costs are attributed in part to both expected colder temperatures ...

  6. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    External heat exchanger of an air source heat pump. An air source heat pump can be used to air condition the building during hot weather, and to warm the building using heat extracted from outdoor air in cold weather. Air-source heat pumps are generally uneconomic for outdoor temperatures much below freezing.

  7. Air source heat pump - Wikipedia

    en.wikipedia.org/wiki/Air_source_heat_pump

    Heat pump on balcony of apartment. An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction.

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