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  2. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    A heat pump in combination with heat and cold storage. A ground source heat pump (also geothermal heat pump) is a heating/cooling system for buildings that use a type of heat pump to transfer heat to or from the ground, taking advantage of the relative constancy of temperatures of the earth through the seasons.

  3. Brookstone - Wikipedia

    en.wikipedia.org/wiki/Brookstone

    In November 2009, Brookstone received media coverage over the firing of Massachusetts man Peter Vadala. Vadala allegedly disagreed with a co-worker's homosexuality in a Boston store, after she made references to her same-sex fiancee, seeking Vadala's congratulations. Brookstone asserts it has a zero-tolerance policy on discriminatory harassment ...

  4. Heat pump and refrigeration cycle - Wikipedia

    en.wikipedia.org/wiki/Heat_pump_and...

    Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]

  5. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    A heat pump is a device that consumes energy (usually electricity) to transfer heat from a cold heat sink to a hot heat sink. Specifically, the heat pump transfers thermal energy using a refrigeration cycle , cooling the cool space and warming the warm space. [ 1 ]

  6. Central heating - Wikipedia

    en.wikipedia.org/wiki/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; Pump to circulate the water

  7. Active cooling - Wikipedia

    en.wikipedia.org/wiki/Active_cooling

    They need to be well-maintained and sustainable in order for them to perform its necessary tasks or the possibility of damages within objects could occur. Various applications of commercial active cooling systems include indoor air conditioners, computer fans, and heat pumps. [1] [2] [3]

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