Question: what are most efficient electric heaters?
Answer: De'Longhi HCX9124E panel convector heater. ... , Dimplex DXUC2B ceramic fan heater. ... , Duronic HV101 radiant convector heater. ... , VonHaus 7 Fin 1.5kW oil-filled radiator. ... , Simple Value 2kW upright fan heater. ... , Dimplex Cadiz Eco 2kW electric oil-free radiator. ... , Dyson AM09 Hot + Cool fan heater.