Nominal rating [kW] 0.5 1.0 1.5 2.5 2.0 3.0 Rated voltage [V] 230 V~ Heated area [м²] 4 – 10 8 - 14 12 - 18 16 - 22 20 - 26 24 - 32 Heated volume [м³] 10 – 25 20–35 30 - 45 40 - 55 50 - 65 60 - 80 Wi-Fi yes