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2. Refrigerant - Wikipedia

   en.wikipedia.org/wiki/Refrigerant

   A DuPont R-134a refrigerant. A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again.

3. Truma (company) - Wikipedia

   en.wikipedia.org/wiki/Truma_(company)

   Truma iNet System. European Innovation Award 2016 (Truma iNet System) [18] DCC technic award 2017 [19] Heaters. Promobil, The best brands, 1st in the years 2006 - 2012, [20] 2014, 2016 - 2019 [21] [22] Reisemobil International, König Kunde Award, 2nd in the years 2009 - 2014, [23] 2016 - 2018; European Innovation Award 2017 (Truma VarioHeat ...

4. 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).

5. Waste heat recovery unit - Wikipedia

   en.wikipedia.org/wiki/Waste_heat_recovery_unit

   Capital cost to implement a waste heat recovery system may outweigh the benefit gained in heat recovered. It is necessary to put a cost to the heat being offset. [6] Often waste heat is of low quality (temperature). It can be difficult to efficiently utilize the quantity of low quality heat contained in a waste heat medium.

6. Recuperator - Wikipedia

   en.wikipedia.org/wiki/Recuperator

   Compared to alternatives such as regenerative furnaces, initial costs are lesser, there are no valves to be switching back and forth, there are no induced-draft fans and it does not require a web of gas ducts spread up all over the furnace. Historically the recovery ratios of recuperators compared to regenerative burners were low. However ...

7. Radiant heating and cooling - Wikipedia

   en.wikipedia.org/wiki/Radiant_heating_and_cooling

   Radiant cooling systems potentially offer reductions in cooling energy consumption. [10] The latent loads (humidity) from occupants, infiltration and processes generally need to be managed by an independent system. Radiant cooling may also be integrated with other energy-efficient strategies such as night time flushing, indirect evaporative ...