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Yes, heat pumps work in cold climates. • Ground and water source heat pumps function well without much reduction in efficiency in extreme temperatures • Today modern air-source heat pumps work without back up to -15F • Electric resistance or existing fossil fuel infrastructure can be used for backup heating – some heat pump programs leave existing fossil fuel infrastructure as back up source of heating, but electric resistance heating is also effective. • Maine has a goal of installing 100,000 heat pumps, and many of these are being used for whole-home heating. • There is concern over winter peaking – in a highly electrified future, the electric grid could be strained during the coldest days of the year. Although not an immediate concern, key mitigating strategies include weatherization and demand response programs. RMI – Energy. Transformed.PDF Image | Heat Pumps for Space and Water Heating
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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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