![Duke Energy on Twitter: "Did you know, many electric space heaters are rated at 1,500 watts. Using the calculations below and based on an average .10 cents per kwh, it would cost Duke Energy on Twitter: "Did you know, many electric space heaters are rated at 1,500 watts. Using the calculations below and based on an average .10 cents per kwh, it would cost](https://pbs.twimg.com/media/DSzjCh6WkAMsDBq.jpg)
Duke Energy on Twitter: "Did you know, many electric space heaters are rated at 1,500 watts. Using the calculations below and based on an average .10 cents per kwh, it would cost
![We tested the best electric heaters - some of them are cheaper than putting on central heating amid energy crisis | The Sun We tested the best electric heaters - some of them are cheaper than putting on central heating amid energy crisis | The Sun](https://www.thesun.co.uk/wp-content/uploads/2022/10/aj-heater-op.jpg?strip=all&quality=100&w=1920&h=1080&crop=1)
We tested the best electric heaters - some of them are cheaper than putting on central heating amid energy crisis | The Sun
![Amazon is selling a £14 low energy heater that 'packs a punch' - and it costs pennies to run - Birmingham Live Amazon is selling a £14 low energy heater that 'packs a punch' - and it costs pennies to run - Birmingham Live](https://i2-prod.birminghammail.co.uk/incoming/article25079181.ece/ALTERNATES/s1200c/2_plug-in-heater.png)