If you have a 250 watt heater at february 2018 electricity rates it will cost about 4p an hour but it will only give out enough heat to keep a well insulated 5 x 5 foot space warm great for cupboards but not a bedroom trying to use an undersized heater to keep your room warm is wasting money you will have it on all the time and never get warm.
Convector heater electricity cost.
Electric heater cost calculator the calculation based on the above is simply 1 kw output from your heater x 13p kwh charge from your electricity supplier 13p per hour.
Off peak hours are typically 10pm to 7am and are averaged nationally at 17 5c kwh.
Heaters with a thermostat will automatically turn off when required room temperature is reached.
Whether you run it all night or just the times you re getting ready for bed most costs will be roughly similar better to check our heater test results to make sure you don t get a dud that costs you more in the long run for lower heating performance.
6 5p for 30 minutes running time.
A few different scenarios to work out costs might be.
Hydronic heaters will cost about four times more than the corresponding convection baseboard heater.
Cost convection heater.
Remember that 1000 watts can also be expressed as 1kw and 2000 watts 2kw and 3000 watts 3kw.
The prices details and.
Based on 6 hrs a day at maximum output using the average rate of 18 54p kwh december 2019 tariff for a unit of electricity.
For simplicity we also assume that the heater is operating at maximum capacity i e.
Heater running costs to calculate the running cost of heaters we will assume that a household pays a usage rate of 30c per kwh for electricity and 2 4c per mj for natural gas on a single rate energy tariff.
According to these tables an oil filled column heater is the cheapest electric heater to run while a radiant convection heater is the cheapest option when it comes to gas.
A 3000 watt convector heater would use 3 units of electricity for every hour it is running and so would cost 3x 13p 0 39p per hour to run.
However this has less heat.