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HPWH Performance Report Kelowna Site 3 is an un-ducted unit with a warmer inlet air temperature of 20.5°C on average throughout the day and only 424 litres of water draw. Because of the high inlet air temperature and lower draws (15 litres/minute max), the unit operated in heat pump mode all except after a series of water draws in the late evening in which the electric element switched on to provide supplemental water heating. With the heat pump primarily providing the hot water, the measured daily COP is 1.97 compared to 0.90 at site 4. Additionally, the electric element did not run at all during the evening peak window of 4-9pm. Figure 14: Kelowna Site 3 - Water Temp, Ambient Air Temp (inside), Water Draw, & Power 20.5°C Average Ambient Room Air Temperature 424 Litres HW drawn Operates only in Heat Pump Mode (~0.42 kW) Except for after 4 large water draws at 11pm Daily COP: 1.97 13PDF Image | CO2 Integrated Heat Pump Water Heater
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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