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2. Heat pump - Wikipedia

   en.wikipedia.org/wiki/Heat_pump

   In this system the solar thermal panel performs the function of the low temperature heat source and the heat produced is used to feed the heat pump's evaporator. [29] The goal of this system is to get high coefficient of performance ( COP ) and then produce energy in a more efficient and less expensive way.

3. 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]

4. Thermal expansion valve - Wikipedia

   en.wikipedia.org/wiki/Thermal_expansion_valve

   A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration and air conditioning systems that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator ...

5. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   A fan coil unit (FCU), also known as a Vertical Fan Coil Unit (VFCU), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or central plant cooling.

6. Absorption refrigerator - Wikipedia

   en.wikipedia.org/wiki/Absorption_refrigerator

   The system thus silently provides for the mechanical circulation of the liquid without a usual pump. A third fluid, gaseous, is usually added to avoid pressure concerns when condensation occurs (see below). In comparison, a compressor based heat pump works by pumping refrigerant gas from an evaporator to a condenser.

7. Condenser (heat transfer) - Wikipedia

   en.wikipedia.org/wiki/Condenser_(heat_transfer)

   A condenser unit used in central air conditioning systems typically has a heat exchanger section to cool down and condense incoming refrigerant vapor into liquid, a compressor to raise the pressure of the refrigerant and move it along, and a fan for blowing outside air through the heat exchanger section to cool the refrigerant inside. A typical ...