[1] They plug into the wall, and can run on a "flame only" setting, or can be used as a heater, typically consuming 1.4 to 1.6 kW to heat a 40 m2 room.
[3] Electric fireplaces found in 1950s homes were typically small and could be easily moved.
[5] Commercial electric fireplace techniques include the Optiflame, introduced in 1988 by Dimplex.
Dimplex claims to have produced the first electric fireplace with a "realistic" wood-burning flame effect in 1995.
Some electric fireplaces are connected to an app in which the controls can be changed from the user's cell phone.