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Deal.ai › Dimplex
Dimplex
Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace

Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace

Best price now

$6,264.99at Royal Fire PitsObserved at 10:18 AM

34% under what the other stores charge

Compared across 12 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Lowest price today: $6,264.99 at Royal Fire Pits (checked Nov 9, 2026).
  • Checked at 12 stores.

Our take on the Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace

The Dimplex Optimyst RGB Pro Box is a 60-inch built-in firebox that produces flames from cool water vapor rather than heat. It is an ambiance piece: the Optimyst cassette creates a three-dimensional flame and mist effect with adjustable flame width, and the RGB lighting lets you shift flame color. It suits anyone who wants a wide, modern fireplace look without a vent, gas line or real fire. Against electric and gas rivals it wins on realism and installation freedom, but it gives off no meaningful heat and depends on a water supply and the matching cassette.

Best forLiving room or media wall centerpieceRentals and remodels where venting is impossibleDesigners who want adjustable flame color and widthWarm-climate homes that want flame without heat
Pros
  • Water-vapor flame looks more convincing than LED-only electric fires
  • No vent, chimney or gas line needed
  • Adjustable flame width and RGB flame color
  • Cool to the touch, safe around kids and pets
  • Wide 60-inch opening fills a large wall
Cons
  • Adds little or no room heat
  • Needs the Optimyst cassette, sold separately
  • Requires a water connection or refilling routine
  • Mist can leave residue or dampness if poorly maintained
  • Built-in framing and finishing add installation work

Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace prices at every store

  • Royal Fire PitsNew

    In stock

    $6,264.99Observed at 10:18 AM
    Visit Royal Fire Pits
  • SpotixNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Spotix
  • Fine's GasNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Fine's Gas
  • Fireplaces DirectNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Fireplaces Direct
  • Deluxe VanityNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Deluxe Vanity
  • Fire Pit SurplusNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Fire Pit Surplus
  • Exceptional FireNew

    In stockSold by Fireplace & BBQ Shop

    $9,499.99Observed at 10:18 AM
    Visit Exceptional Fire
  • Fireplaces R usNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Fireplaces R us
  • VeryGoodFireplaces.comNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit VeryGoodFireplaces.com
  • Dreamwood LivingNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Dreamwood Living
  • Urban SupplyNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit Urban Supply
  • OffGrid LuxNew

    In stock

    $9,499.99Observed at 10:18 AM
    Visit OffGrid Lux

Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace price history

Lowest price we've seen: $6,264.99 on Nov 9 at Royal Fire Pits. Tracked across 12 stores since Nov 9.

What reviewers say

Owners of Optimyst fireplaces praise the realistic flame and mist effect and the flexibility of a vent-free install. Complaints center on the water system, the need for the separate cassette, and the fact that it is ambiance only with little heat.

What people mention
  • Flame realismPraisedOwners say the vapor flame and mist read as far more realistic than flat LED electric fires.
  • Heat outputCriticisedBuyers note it is ambiance only and does not warm a room.
  • Water systemMixedThe mist effect is loved, but refilling and cleaning the water system is a recurring chore.
  • InstallationPraisedNo vent or gas line makes it easier to fit into a media wall than a gas fireplace.
  • Cassette requirementCriticisedThe Optimyst cassette is needed to run it and is not part of the box.

Specifications

Type
Firebox
Dimensions
60"
Length
60"
Use
Ambiance
Style
Built-In
Installation Type
Built-In
Flame Effect
Optimyst flame effect
Size

Questions and answers

Does this fireplace give off heat?
No. It is an ambiance firebox built around the water-vapor Optimyst flame, so treat it as visual only and rely on another heat source.
What else do I need to run it?
You need the compatible Optimyst cassette, which is not included. Plan for a water supply or a refilling routine and for framing the 60-inch opening.
Can I change the flame color and width?
Yes. The RGB lighting lets you shift flame color, and the flame width is adjustable to suit the opening.
Is it safe around children and pets?
The flame is cool water vapor rather than combustion, so the effect itself is not hot. Normal electrical safety and keeping the unit dry still apply.
How does it compare with a gas fireplace?
It needs no vent, chimney or gas line and installs in more places, but it produces no real heat and depends on water and the cassette.
Can it be installed outdoors?
It is designed as an indoor built-in firebox. Do not assume outdoor use unless Dimplex rates the specific installation for it.
Where is the Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace cheapest?
At Royal Fire Pits, for $6,264.99, 34% under what the other stores charge, as of our latest check.
Where can I buy the Dimplex Optimyst RGB Pro Box 60" Built-In Water Vapor Fireplace?
12 stores we checked sell it, including Royal Fire Pits, Spotix, Fine's Gas, Fireplaces Direct, Deluxe Vanity.

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60"
Included Accessories
Slots, Spacers
Compatible With
Optimyst cassette