4 heat-pump models in EPRELEcoVolt LtdModels4Avg SCOP3.91Across all listed modelsTop typeAir-to-water (3)Heat pump typesAir-to-water3 (75%)HP water heater1 (25%)Top models by SCOPEVAir F50APPPSCOP 4.45kW 5Monobloc Inverter Heat PumpAPPPSCOP 4.00kW 7EVAir F30APSCOP 3.28kW 3EcoLine+APSee all 4 models →