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EnergyEnergy

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heat pumpsheat pumps

heat pumpsheat pumps

Heating seasonal performance factor (HSPF) of 3.65
The VV-ASHP system , powered by solar photovoltaic (PV) energy, demonstrated the highest energy-saving efficiency (24.13%) and superior seasonal performance metrics, including a seasonal energy efficiency ratio (SEER) of 2.60, a heating seasonal performance factor (HSPF) of 3.65, and an annual performance factor (APF) of 2.99

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