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2. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   There is great potential to reduce the energy consumption and related greenhouse gas emissions in industry by application of industrial heat pumps, for example for process heat. [47] [48] Short payback periods of less than 2 years are possible, while achieving a high reduction of CO 2 emissions (in some cases more than 50%).

3. Absorption-compression heat pump - Wikipedia

   en.wikipedia.org/wiki/Absorption-compression...

   An absorption-compression heat pump (ACHP) is a device that integrate an electric compressor in an absorption heat pump. In some cases this is obtained by combining a vapor-compression heat pump and an absorption heat pump. It is also referred to as a hybrid heat pump [1] which is however a broader field.

4. Absorption heat pump - Wikipedia

   en.wikipedia.org/wiki/Absorption_heat_pump

   The coefficient of performance of the first type absorption heat pump is greater than 1, generally 1.5 to 2.5. [4] The heat pump is composed of the main components such as generators, condenser, evaporator, absorber and heat exchanger, as well as the suction device, shielding pump (solution pump and refrigerant pump), and other auxiliary parts.

5. Heat pumps up, gas and oil down: Waynesboro site gets ... - AOL

   www.aol.com/heat-pumps-gas-oil-down-101043976.html

   The updated Johnson Controls plants will produce about 200,000 residential, commercial and industrial heat pumps a year, an increase of 200%.

6. Applications of the Stirling engine - Wikipedia

   en.wikipedia.org/wiki/Applications_of_the...

   Heat pumps are by far the most energy-efficient types of heating systems, since they "harvest" heat from the environment, rather than only turning their input energy into heat. In accordance with the second law of thermodynamics, heat pumps always require the additional input of some external energy to "pump" the collected heat "uphill" against ...

7. 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 ...