big beautiful bill – seattle heat pumps

Cast Studies. Seattle City Light. Bayview Tower. Energy Savings. This system has seen a reduction from 230,000 to 95,000 kWh/yr and operates 3x more efficiently with a COP of 3.0. Stewardship. The Mitsubishi QAHV heat pump uses carbon dioxide (CO2), a natural refrigerant with a global warming potential of 1. Cost savings. Expected cost savings are ~$15,000/yr. ‘Bayview apartments is an all-electric building. Retrofitting the current electric resistance water heating system with a central heat pump water heating system allowed us to substantially reduce the energy consumption and cost.’ Scott Spielman PE, Ecotype

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