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2. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   Specifically, the heat pump transfers thermal energy using a heat pump and refrigeration cycle, cooling the cool space and warming the warm space. [1] In winter a heat pump can move heat from the cool outdoors to warm a house; the pump may also be designed to move heat from the house to the warmer outdoors in summer.

3. Hyundai, LG to spend $2 billion more on Georgia battery plant

   www.aol.com/hyundai-lg-spend-2-billion-004654800...

   Hyundai Motor Group and LG Energy Solution will boost their joint investment in a Georgia battery manufacturing plant by $2 billion and add 400 additional jobs, the companies and the state said ...

4. Ground source heat pump - Wikipedia

   en.wikipedia.org/wiki/Ground_source_heat_pump

   [50] [47] [49] The payback period for larger commercial systems in the US is 1–5 years, even when compared to natural gas. [47] Additionally, because geothermal heat pumps usually have no outdoor compressors or cooling towers, the risk of vandalism is reduced or eliminated, potentially extending a system's lifespan. [51]

5. Air conditioning - Wikipedia

   en.wikipedia.org/wiki/Air_conditioning

   This is partly because ice forms on the outdoor unit's heat exchanger coil, which blocks air flow over the coil. To compensate for this, the heat pump system must temporarily switch back into the regular air conditioning mode to switch the outdoor evaporator coil back to the condenser coil, to heat up and defrost. Therefore, some heat pump ...

6. Coefficient of performance - Wikipedia

   en.wikipedia.org/wiki/Coefficient_of_performance

   The COP usually exceeds 1, especially in heat pumps, because instead of just converting work to heat (which, if 100% efficient, would be a COP of 1), it pumps additional heat from a heat source to where the heat is required. Most air conditioners have a COP of 3.5 to 5. [3]

7. Climate of Georgia (U.S. state) - Wikipedia

   en.wikipedia.org/.../Climate_of_Georgia_(U.S._state)

   Average annual precipitation for Georgia. The entire state, including the North Georgia mountains, receives moderate to heavy rain, which varies from 45 inches (1,100 mm) in central Georgia [6] to approximately 75 inches (1,900 mm) around the Northeast part of the state. [7] Georgia has had severe droughts in the past, especially in 2007.