Explore the best water vapor fireplaces with stunning 3D flame effects. Safe, mess-free, and incredibly realistic. Ideal for modern homes.
If you're on the hunt for the most lifelike fireplace experience without the drawbacks of traditional setups, you've landed in the perfect spot. While traditional electric fireplaces have long been a go-to for their ease and safety, early models often left much to be desired in terms of realism, sometimes appearing quite artificial and tacky. But, thanks to advances in technology, that's no longer the case.
Today, water vapor fireplaces represent the pinnacle of realistic electric fireplace technology. These units stun with their 3-Dimensional flame effects that closely mimic real flames, achieving a level of realism that is truly astonishing, all without any mess or hazards.
Water vapor fireplaces achieve this remarkable fake flame through the clever use of water mist and LED lights, creating an effect so convincing, you’ll have to see it to believe it. In this article, we’ll explore the five best models of water vapor fireplaces, showcasing just how impressive these modern marvels can be.
Top 5 Best Water Vapor Fireplaces:
1. Dimplex Opti-myst 500 - 20" Long Water Vapor Cassette
In photo: Dimplex Opti-myst® 500 - 20" Water Vapor Fireplace Cassette
This is the original water vapor fireplace created by Dimplex. The Opti-Myst Pro 500 Cassette is only 20" long. It is the smallest and the most affordable one you can buy today.
Watch this customer video and see how real the flames look:
You can use this cassette to build your DIY water vapor fireplace. There are countless ways you can design your fireplace because the flames can be completely open.
This cassette can also be combined with others to make a longer fireplace. Three of them run to roughly 60 inches, and because the flame is open you are not limited to a fireplace shape at all.
The cassettes seamlessly connect and can be synced together to work with one remote.
The Dimplex Opti-myst 500 can also be inserted into an existing fireplace. If you have a traditional wood or gas fireplace that you haven't been using, it can help you breathe life back into that old fireplace.
Let's summarize Dimplex Opti-myst 500's best features:
- Combine several units to build a fireplace of any length
- Install it anywhere where you have access to electricity
- Build a 2-sided, 3-sided fireplace or a fireplace with a 360-degree view!
2. Dimplex Optimyst RGB Pro 40-Inch Built-In Vapor Fireplace

In photo: Dimplex Optimyst RGB Pro 40-Inch Built-In Vapor Fireplace
This is the one to look at if you want the Optimyst effect at a real fireplace size rather than as a small cassette. It arrives as a finished firebox, so it drops into a built-in wall opening without you building an enclosure around a bare cassette.
The RGB flame is the practical difference from the older Pro cassettes: you set the flame color rather than living with one look, and the whole thing runs from a remote, the onboard panel, or your phone. It puts out around 5,000 BTU with the optional heat turned on, and it will run continuously if you plumb it to a water line instead of refilling a reservoir.
3. Dimplex Opti-Myst Aura 30-Inch 3-Sided Vapor Fireplace
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In photo: Dimplex Opti-Myst Aura 30-Inch 3-Sided Vapor Fireplace
If you want the fire visible from more than one direction, this is the multi-sided option. It installs front-facing, in a left or right corner, or as a bay, so one unit covers four different room layouts.
Refilling is a pull-out drawer rather than a plumbing job, which matters more than it sounds on a vapor fireplace you actually use. The log set is molded from real wood, there are six flame colors to blend, and the glass is cool to the touch. Around 4,350 BTU with the heat on, and it runs plugged in or hardwired.
4. Dimplex Opti-Myst Linear Built-In Vapor Fireplace

In photo: Dimplex Opti-Myst Linear Built-In Vapor Fireplace
This is the long one, sold in 46, 66 and 86 inch widths, and it is what you want if the wall calls for a wide horizontal opening rather than a fireplace-shaped one.
Adjustable flame baffles let you change the shape of the mist rather than just its color, which is the part that keeps a very wide unit from looking repetitive across its length. Flame intensity, color, heat and the crackle sound all run from the Flame Connect app, and the vapor stays safe to touch.
5. Malm Zircon 34-Inch Freestanding Vapor Fireplace

In photo: Malm Zircon 34-Inch Freestanding Vapor Fireplace
This conical electric fireplace exudes a modern midcentury charm. It is easier and more affordable to install because it doesn't require any venting or chimney. Place it anywhere you want!
This retro looking fireplace uses a Dimplex Opti-Myst 500 water vapor cassette. With this combo you get the vintage fireplace look with the convenience and benefits of a water vapor fireplace.
To install, simply situate the fireplace wherever you want, attach the vent to the ceiling (optional - just for looks), then have a licensed technician hardwire it to a 120 V outlet. This ventless fireplace doesn't require any chimneys, which makes it more affordable to install. Easily turn it on or off with the included remote.
The all-in-one package includes:
- Conical Body
- Powder Coated Base
- Connecting Pipe
- Vapor Fireplace Cassette
- Remote Control
- User's Manual
Bottom Line
Though, water vapor fireplaces are not technically real, they are the are the most realistic electric fireplace currently available on the market. Dimplex Opti-myst is the most established brand of water vapor fireplaces. It was even featured on Bar Rescue TV Show.
To see more Dimplex Opti-myst electric fireplaces and other available models of water vapor electric fireplaces, you can browse our collection of Water Vapor Electric Fireplaces.
Need help finding your perfect fireplace? We can help you with that. Just give us a call or shoot us an email support@modernblaze.com.
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Continue Reading:
- Water Vapor Fireplace Buying Guide
- Water Vapor Fireplace Design Ideas
- Water Vapor Fireplace Featured on Bar Rescue TV Show
- How to install Dimplex Opti-Myst Water Vapor Fireplaces
Shop Water Vapor Fireplaces Online:
- Water Vapor Fireplaces
- Water Vapor Fireplaces With Heaters
- Water Vapor Fireplace Inserts
- Dimplex Opti-myst Water Vapor Fireplaces
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6 comments
Hi, Julie.
Here’s what I could find for you: https://www.dimplex.com.au/en-au/where-to-buy
I hope this helps!
Where can I view the complex opti-myst in Perth WA?
Hi, Patricia.
Yes! The only water vapor fireplace we carry at the moment are the Dimplex Opti-myst models and they both come with designated water tanks.
If you have more concerns, don’t hesitate to reach out to support@modernblaze.com!
My question is for the water or vapor, is it a container that I fill with water or have to hook it up to a water line?
Thank you, Patricia
Hi, Dick! Arnold from our Customer Service Team said this regarding your question:
Our DIMPLEX OPTI-MYST® PRO 1000 – 40" WATER VAPOR FIREPLACE CASSETTE (CDFI1000-PRO) has a price of $2,199.99. The fireplace dimension is 9 1⁄2" H x 40 3⁄8" W x 12" D.
You may refer here for further details: https://modernblaze.com/collections/all/products/dimplex-opti-myst-1000-cassette-40-vapor-fireplace-insert-opti-myst
If you have more concerns, don’t hesitate to reach out to support@modernblaze.com!
I have a limited space to put the 40" fireplace with mist you have advertized. what is the cost and what are the dimensions