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  2. Fact check: Heat pumps move heat energy from outside to ... - AOL

    www.aol.com/fact-check-heat-pumps-move-152100263...

    The Government has written that a heat pump “generates 3 times more energy than it consumes”.. Evaluation. Heat pumps are highly efficient and can release three times as much heat energy into ...

  3. Are heat pumps the key to accelerating the energy transition?

    www.aol.com/news/heat-pumps-key-accelerating...

    Heat pumps consume a lot less energy and are at least three times more energy efficient compared to conventional heating and air conditioning systems. Heat pumps cost a bit more upfront but do ...

  4. Heat pump - Wikipedia

    en.wikipedia.org/wiki/Heat_pump

    In cold weather, a heat pump can move heat from the cool outdoors to warm a house (e.g. winter); the pump may also be designed to move heat from the house to the warmer outdoors in warm weather (e.g. summer). As they transfer heat rather than generating heat, they are more energy-efficient than other ways of heating or cooling a home. [2]

  5. Thermal efficiency - Wikipedia

    en.wikipedia.org/wiki/Thermal_efficiency

    The reason the term "coefficient of performance" is used instead of "efficiency" is that, since these devices are moving heat, not creating it, the amount of heat they move can be greater than the input work, so the COP can be greater than 1 (100%). Therefore, heat pumps can be a more efficient way of heating than simply converting the input ...

  6. The Inflation Reduction Act offers subsidies for heat pumps ...

    www.aol.com/news/the-inflation-reduction-act...

    Natural gas heat pumps can achieve an energy efficiency of up to 140% — meaning that each unit of energy put in generates 1.4 times as much heat — compared to 90% for a conventional boiler.

  7. 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]

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