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2. Air source heat pump - Wikipedia

   en.wikipedia.org/wiki/Air_source_heat_pump

   An air source heat pump (ASHP) is a heat pump that can absorb heat from air outside a building and release it inside; it uses the same vapor-compression refrigeration process and much the same equipment as an air conditioner, but in the opposite direction. ASHPs are the most common type of heat pump and, usually being smaller, tend to be used ...

3. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   For example, an air-to-water heat pump that produces 6kW at a SCOP of 4.62 will give over 4kW of energy into a heating system for every kilowatt of energy that the heat pump uses itself to operate. When used for space heating, heat pumps are typically more energy-efficient than electric resistance and other heaters.

4. Heat pumps: How do they work, what do they cost and can ... - AOL

   www.aol.com/news/heat-pumps-cost-grant-150905743...

   Air-source pumps - the most ... The system consists of a box measuring about 1m x 1m x 0.4m which stands outside the property, as well as a heat pump unit and hot water cylinder inside the ...

5. Heat recovery ventilation - Wikipedia

   en.wikipedia.org/wiki/Heat_recovery_ventilation

   An exhaust air heat pump (EAHP) extracts heat from the exhaust air of a building and transfers the heat to the supply air, hot tap water and/or hydronic heating system (underfloor heating, radiators). [27] [28] This requires at least mechanical exhaust but mechanical supply is optional; see mechanical ventilation. This type of heat pump ...

6. Winter Heating: How To Choose the Best System for Your Home ...

   www.aol.com/winter-heating-choose-best-system...

   A cold-climate heat pump system starts at roughly $5,000, according to EnergySage, but for areas that regularly experience freezing temperatures regularly, an effective heat pump system can cost ...

7. Absorption heat pump - Wikipedia

   en.wikipedia.org/wiki/Absorption_heat_pump

   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. The air extraction device removes the non-condensable gas in the heat pump and keeps the heat pump always in a ...