The most realistic electric fireplaces

This is the one genuine step change in the category. Dimplex's Opti-Myst mechanism uses ultrasonic transducers to make a fine mist from ordinary tap water, then lights it from below with LEDs. The result is a flame that has real physical volume — it moves through space, it curls, and it reads as smoke and fire because it is behaving like a fluid rather than a picture of one.

Every LED unit, however good, is producing a lit surface. This is producing a lit object. From an angle, in daylight, from above — it holds up in situations where LED units flatten out.

The trade-offs are real and worth stating plainly. Dimplex publishes 120 V and 1,250 W for the Revive 25, and the flame effect produces no heat at all — heaters are a separate option on some models. It needs a water reservoir refilled. And it costs several times what a good LED unit costs. If you want warmth, this is the wrong product and no enthusiasm changes that.

What it does not do: No heat from the flame effect at all, and it needs a water reservoir refilled. If you want warmth, this is the wrong product and no amount of enthusiasm changes that.

The same technology as the Revive at a slightly larger width. Dimplex describes the flame as safe to touch — there is no combustion, no smell, no smoke and no emissions of any kind, because the visible flame is illuminated water vapor.

That is a genuinely unusual property in this category and it changes where you can put one. A mist fireplace can sit at floor level in a room with small children in a way that a heated glass front cannot.

Same caveat: the flame effect produces no heat. Buy it as a flame, not as a fireplace.

What it does not do: Refilling. Every water-vapor unit is a small appliance you maintain, not something you switch on and forget about for a season.

The single most common realism complaint about LED fireplaces is that they flatten from an angle. That happens because the flame is a lit surface with nothing behind it — move off-center and you are looking at the surface rather than into the effect.

Three-sided glass gives you depth to look into from the side, which is a structural fix rather than a cosmetic one. It is the reason corner units frequently look more convincing than flat ones despite using identical flame technology.

It only works where the side panes are actually visible — a corner or a peninsula wall. Fitted flat against a wall you are paying for two panes nobody will look through. Same 1,500 W heater as everything else.

What it does not do: Three-sided glass needs a corner or a peninsula wall to make sense. Against a flat wall you pay for two panes nobody ever sees.

A bezel around a flame tells your eye it is looking at a screen or a box. Remove the bezel and the same flame reads as an opening in the wall. It is a surprisingly large effect for what is, on paper, a trim change.

The Elite sits above the standard Sideline 50 in Touchstone's range at the same 50-inch width.

The heater is identical to the cheaper model — same 1,500 W, same 27.5 cents an hour. Everything you pay extra for here is visual, which on a realism page is exactly the right thing to be paying for.

What it does not do: The heater is the same 1,500 W ceiling as the cheaper Sideline 50. The extra money buys the glass front and the flame presentation, not warmth.

Realism in a traditional fireplace comes from different cues than in a linear one: a log that sits above the ember bed rather than on it, so light gets underneath; a mesh screen that breaks up the light; and a brick-look interior that gives the fire a plausible place to be.

The Klaus does all three, at 33 1/16 inches wide with 750/1500 W heat. In a real masonry opening those cues do a lot of work.

It is LED with a reflector, so the honest caveat applies: convincing at night, head-on, and much less so in daylight or from an angle.

What it does not do: No trim kit in the base version — an existing masonry opening wider than 33 in leaves a visible gap unless you buy the trim separately.