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2. 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 ]

3. Heat pump and refrigeration cycle - Wikipedia

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

   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] Thus a heat pump may be thought of as a "heater" if the objective is to warm the heat sink (as when warming the inside of a home on a cold day), or a ...

4. How do heat pumps work? What to know about installation ... - AOL

   www.aol.com/news/heat-pumps-know-installation...

   For ductless heat pumps, the most popular in Minneapolis, it's $6,000 to $7,000 per house zone, while forced air heat pumps cost between $10,000 to $20,000, depending on the model. A traditional ...

5. 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.

6. Cold district heating - Wikipedia

   en.wikipedia.org/wiki/Cold_district_heating

   Cold local heating extends this concept to individual residential areas or districts. Like ordinary geothermal heat pumps, cold local heating networks have the advantage over air heat pumps of operating more efficiently due to the lower temperature difference between the heat source and the heating temperature.

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

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

   Heat pumps work very differently to other sources such as gas-powered boilers or electric heaters. Gas boilers work by burning gas, ...