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2. Propane refrigeration - Wikipedia

   en.wikipedia.org/wiki/Propane_refrigeration

   Propane refrigeration is a type of compression refrigeration. Propane (R290) has been used successfully in industrial refrigeration for many years, and is emerging as an increasingly viable alternative for homes and businesses. Propane's operating pressures and temperatures are well suited for use in air conditioning equipment, but because of ...

3. Absorption refrigerator - Wikipedia

   en.wikipedia.org/wiki/Absorption_refrigerator

   Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).

4. Absorption heat pump - Wikipedia

   en.wikipedia.org/wiki/Absorption_heat_pump

   Originally, natural gas was used as a heat source in the late 19th century. Today, propane is used in recreational vehicle absorption refrigerators. Innovative hot water solar thermal energy collectors can also be used as the modern "free energy" heat source. Efficient absorption refrigerators require water of at least 88 °C (190 °F).

5. 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]

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7. Propane refrigerator - Wikipedia

   en.wikipedia.org/?title=Propane_refrigerator&...

   Pages for logged out editors learn more. Contributions; Talk; Propane refrigerator

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