8 heat-pump models in EPRELPOLYTROPICModels8Avg SCOP4.68Across all listed modelsTop typeAir-to-water (8)Heat pump typesAir-to-water8 (100%)Top models by SCOPWAO-07APPPSCOP 4.85kW 7WAO-12APPPSCOP 4.77kW 9WAO-14TAPPPSCOP 4.75kW 13WHL-12TAPPPSCOP 4.70kW 12WHL-15TAPPPSCOP 4.62kW 16WHL-09APPPSCOP 4.60kW 9WHL-07APPPSCOP 4.60kW 6WHL-05APPPSCOP 4.58kW 4See all 8 models →