4 heat-pump models in EPRELGondzik Home Technologies GmbHModels4Avg SCOP4.43Across all listed modelsTop typeAir-to-water (4)Heat pump typesAir-to-water4 (100%)Top models by SCOPZulu 9APPPSCOP 5.00kW 5Zulu 23APPSCOP 4.58kW 13Delta 25APPSCOP 4.10kW 18Delta 20APPSCOP 4.03kW 13See all 4 models →