What is the most energy-efficient electric heater?

The honest answer

An electric heater converts close to 100% of the electricity it uses into heat – whether it's ceramic, oil-filled, convector or fan. No plug-in heater can make more heat than the electricity it consumes. Be wary of any claim that a heater uses a fraction of the energy for the same heat.

So where do savings come from?

• Heating less space. Warm one 10 m² room rather than a whole house.
• Heating for less time. A fast warm-up and a thermostat mean less running time.
• Using lower power. A 400–800W heater draws far less per hour than a 2–3kW one.

Cost per hour by heater power

Efficient habits

• Close the door and draught-proof the room.
• Use the thermostat, not the highest setting.
• Set a timer so the heater doesn't run all evening.
• Turn the central heating down in rooms you don't use.

How Pyrivo helps

Pyrivo is built around those habits: low 400W/800W power, a digital thermostat and a timer. It's an efficient way to heat one room – see the Pyrivo running-cost breakdown.