If they are set so the heater powers on and off the 50 percent usage setting they use about 9 cents an hour in electricity.
Electric fireplace energy usage.
The formula then would be.
40 000 x 2 50 91 000 1 1 or 1 10 per hour.
However if you use a heating unit as well the costs will go up to around 0 09 per hour for a medium setting and 0 18 per hour for the maximum setting.
Electric fireplaces use only about 1 500 watts of electricity.
The average electric fireplace uses nearly 1500 watts of power.
The energy usage of an electric fireplace will scale linearly with the wattage of the unit.
Operational costs range between 0 003 to 3 cents per hour when you use them strictly for decorative purposes that is the flames are activated but no heat is produced.