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PTHPs Value Units Source data Costof230Velectricalserviceto $7 exterior wall Cost of PTHP units, including $1,500 controls hardware and software Installation labor for masonry $500 opening and sleeve installation Total $12 perSF per heater per heater per SF Assuming 50% more than today's PTHPs for performance improvements 5 hours of work at $100/hr VRF Value Units Source data VRF retrofit quote $25 per SF Pursuing Passive: https://be- exchange.org/wp- content/uploads/2018/10/BEX_Pur suingPassive_181101.pdf ~$3M for a 123,000 SF building Steven Winter Associates,Inc. 47PDF Image | HEAT PUMP RETROFIT STRATEGIES FOR MULTIFAMILY BUILDINGS
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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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