An electric fireplace is a space heater wearing a nice suit. That is not an insult, it is the single most useful thing to understand before buying one. Nearly every plug-in unit tops out at 1,500 watts, about 5,100 BTU, because that is what a standard household outlet can safely deliver. The flame effect is separate from the heat, the “log” is a light show, and no venting or gas line is involved.
That ceiling means an electric fireplace heats the room it is in, not your house. Used that way, as zone heat plus ambiance, they are genuinely good and the cheapest fireplace type to buy and install by a wide margin.
The types, quickly
- Wall mount. Hangs like a TV. Modern look, easy install, the popular choice for living rooms and bedrooms.
- Recessed. Built into the wall for a flush finish. Same guts as a wall mount, more install work.
- Insert. Slides into an existing wood-burning fireplace opening. The fastest way to make a dead fireplace useful again.
- Mantel and TV stand units. Furniture with a fireplace inside. No install at all, just plug in.
- Freestanding stoves. Styled like a wood stove, works anywhere with an outlet.
Within all of these, the heater is either fan-forced (blows warm air, most common) or infrared (radiant heat you feel directly, better for drafty rooms). Our infrared vs fan-forced comparison explains which one fits your room.
What they cost to run
At typical US electric rates the heater costs about $0.18 per hour. Run it 2 to 4 hours a day and the monthly bill impact is $15 to $45. Flame-only mode with the heat off costs $1 to $6 a month, which makes the ambiance nearly free. Our guide to the monthly cost of running an electric fireplace works the math out state by state.
Before you buy
- Give it its own circuit if you can. A 1,500 watt heater sharing a circuit with a TV and a game console is how breakers earn their keep.
- Judge the flame effect in a video review, not a product photo. It varies wildly between brands.
- If the room is large or open plan, expect it to take the edge off, not replace the furnace.
Buying guides for specific sizes and situations, including inserts, 36 and 50 inch units, and options under $500, are scheduled for September so they are current for the season.
Related reading
Weighing electric against a gas unit? The Gas Fireplaces hub covers what gas does better and what it costs. All price guides live under Fireplace Costs.
Two calculators answer the electric questions with your own numbers: the running cost calculator prices it at your state’s rate, and the BTU calculator tells you if 1,500 watts can carry your room at all.
Frequently asked questions
Do electric fireplaces actually heat a room?
Yes, within limits. A standard 1,500 watt unit produces about 5,100 BTU, enough to warm a bedroom, office, or average living room as supplemental heat. It will not heat a whole floor or replace a furnace, and makers’ claims of 400 square feet assume the rest of your heating is still running.
How much does it cost to run an electric fireplace?
About $0.18 per hour with the heater on at typical US rates, which works out to $15 to $45 per month at 2 to 4 hours of daily use. Flame-only mode costs $1 to $6 per month.
Can you leave an electric fireplace on overnight?
Flame-only mode, yes. Running the heater unattended while you sleep is not recommended, the same as any space heater. Modern units have overheat shutoffs and timers, so use the timer if you want heat while falling asleep.
Do electric fireplaces need venting?
No. There is no combustion, so there is no flue, chimney, or gas line. That is why they install anywhere with an outlet and why they are the default choice for apartments and renters.
Are electric fireplaces worth it?
For zone heating plus the look of a fire at the lowest install cost, yes. If you want serious heat output or real flames, a gas insert or wood stove serves you better at a much higher project cost.