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HEAT PUMP RETROFIT STRATEGIES FOR MULTIFAMILY BUILDINGS

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HEAT PUMP RETROFIT STRATEGIES FOR MULTIFAMILY BUILDINGS ( heat-pump-retrofit-strategies-for-multifamily-buildings )

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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. 47

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HEAT PUMP RETROFIT STRATEGIES FOR MULTIFAMILY BUILDINGS

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