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Both a water vapour fireplace and an electric fireplace give you a flame without combustion, but they are different products. A water vapour (mist) fireplace creates a three-dimensional flame you can walk around and touch, produces no heat and runs on tap water and a few watts. An electric fireplace shows a flat flame effect on a screen or lit logs and heats the room with a built-in fan heater. Choose water vapour for realism and total safety, electric for the lowest price and a heater in one box.
Key takeaways
- Realism: a mist flame is volumetric and moves with the air; an electric flame is a 2D animation, however good the screen.
- Heat: water vapour gives none by design; electric fireplaces include a 1 to 2 kW fan heater.
- Running cost: pennies per evening for both; water vapour needs a tank refill or a water line.
- Safety: both are cold to the touch at the flame; electric has a hot air outlet, water vapour has none.
If you want the look of fire in a room where real fire is impossible or unwanted, you have two candidates: an electric fireplace or a water vapour fireplace. Shops often put them in one "electric fireplaces" category, which hides the fact that they work completely differently. This guide compares them point by point so you can decide in ten minutes.
How each technology works
Water vapour fireplace
An ultrasonic unit turns tap water into an ultra-fine mist. LEDs light the mist from below and colour it into flames that rise, flicker and react to drafts like a real fire. Because nothing burns, the "flame" is cold and there are no fumes. Planika calls its version Cool Flame; the models in our water vapour collection (Aura, Misty, Steamy, Cloudy) all use it.
Electric fireplace
A screen, a mirror system or a set of LED-lit logs shows a moving flame image. Heat, if any, comes from a separate fan heater or infrared element built into the housing. The flame image is flat: convincing from the front at a distance, less so from the side or up close.
Comparison table
| Criterion | Water vapour fireplace | Electric fireplace |
|---|---|---|
| Flame | 3D mist, visible from all sides, moves with air | 2D image on screen or lit logs |
| Heat | none | fan heater, typically 1 to 2 kW |
| What it runs on | tap water plus a few watts | electricity: lights only, or heater up to 2 kW |
| Installation | power socket; tank or water line | power socket |
| Safety | no combustion, flame safe to touch, no hot surfaces | no flame, hot air outlet when heating |
| Ventilation | none needed | none needed |
| Under a TV / in furniture | yes, no heat clearance | yes if heater is off or vented |
| Maintenance | refill water, descale occasionally | none |
| Price | mid to premium | entry to mid |
Realism: the difference you see immediately
Put the two side by side and the difference is obvious within seconds. The mist flame has depth: you can look at it from the side, it throws soft light on the surroundings and a draft from a door makes it lean like a real fire. An electric flame is a loop on a flat surface. Good ones are pleasant; none of them fools you from an angle. If the fireplace will be a focal point in a living room, restaurant or hotel lobby, this is the decisive criterion.
Heat: do you actually want it?
An electric fireplace's fan heater is a real advantage in a small, cold room and a disadvantage everywhere else: it is noisy, dries the air and cannot run in a warm room or an air-conditioned office. A water vapour fireplace gives no heat at all, which is exactly why it can run all evening in July, in a bedroom, in a room with air conditioning or in a building where the fire regulations forbid heat sources. If you want fire and heat together without a chimney, look at a bioethanol BEV fireplace instead; see how much heat it gives in our guide to bioethanol fireplace heat.
Running cost and maintenance
Both are cheap to run. A water vapour fireplace uses roughly the electricity of a few LED bulbs plus about half a litre to a litre of water per hour of operation; a tank lasts an evening, and selected models connect to a water line so you never refill. Descale every few weeks in hard-water areas. An electric fireplace with the heater off costs about the same in electricity; with the heater on, 1 to 2 kW per hour like any electric heater.
Safety and where each is allowed
Neither device has real fire, so neither needs a permit, a flue or ventilation. Water vapour goes one step further: there is no hot surface anywhere, so it is safe next to children, pets, curtains and in bathrooms and wellness areas. It is also the option most often accepted by fire safety officers for offices, hospitals and hotels because there is no heating element at all.
Which one for which room?
- Living room focal point, restaurant, hotel: water vapour, for realism.
- Bedroom, children's room, air-conditioned office: water vapour, because there is no heat and no hot surface.
- Small cold room, tight budget, occasional use: electric, heater included.
- Under a TV or inside a media wall: both work; water vapour needs no clearance for heat.
- You want warmth and a real flame: neither; choose a bioethanol fireplace.
FAQ
Does a water vapour fireplace make the room humid?
It releases a small amount of fine mist, comparable to a small humidifier. In normal rooms the effect is negligible.
Can I touch the flame of a water vapour fireplace?
Yes. It is cold mist and light. That is the main reason it is used where children, pets or fire regulations rule out real fire.
Is a water vapour fireplace an electric fireplace?
Technically it runs on electricity, but it is a different product: the flame is real mist in three dimensions, not an image, and it produces no heat.
How long does a water vapour fireplace last?
The wear parts are the ultrasonic transducers and the LEDs, both rated for thousands of hours and replaceable. Regular descaling extends their life.
Planika manufactures water vapour fireplaces with Cool Flame technology and bioethanol fireplaces with BEV technology in Bydgoszcz, Poland; we do not make electric fireplaces. The comparison above describes the two categories in general terms; check the specification of any specific model before buying.
