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Popular › By flame effect › Optimyst
Optimyst water vapour flame technology for electric fireplace

Optimyst Electric Fireplace

Want the look of a real fire without the fuss? An Optimyst electric fireplace uses fine mist and light to create stunning, 3D flames – safe, stylish and ultra-realistic.

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Dimplex

Transducer Sump Juneau XL

£309
Transducer Sump Juneau XL for Opti-Myst systems, designed to ensure efficient operation and optimal system performance.
Transducer Sump Juneau XL for Opti-Myst systems, designed to ensure efficient operation and optimal system performance.
£309
ADD TO CART
Delivery time
1-2 weeks
£309
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

LED Light for Cassette 400

£59
LED Light for Cassette 400, designed to provide bright and efficient lighting for Opti-Myst systems, ensuring optimal performanc
£59
ADD TO CART
Delivery time
3-5 weeks
£59
ADD TO CART
Delivery time
3-5 weeks
ADD TO CART

Dimplex

Top Plate Cassette 400 - Steel

£59
Top Plate Cassette 400 in steel for Opti-Myst systems, providing durability and maintaining the system’s structural integrity.
£59
ADD TO CART
Delivery time
3-5 weeks
£59
ADD TO CART
Delivery time
3-5 weeks
ADD TO CART

Dimplex

Top Plate Cassette 1000 - Steel

£119
Top Plate Cassette 1000 in steel for Opti-Myst systems, designed to ensure durability and maintain the performance of your setup
£119
ADD TO CART
Delivery time
1-2 business days
£119
ADD TO CART
Delivery time
1-2 business days
ADD TO CART

Dimplex

10amp Cassette Fuse

£39
10amp Cassette Fuse for Opti-Myst systems, designed to protect the system from electrical issues and maintain safe operation.
10amp Cassette Fuse for Opti-Myst systems, designed to protect the system from electrical issues and maintain safe operation.
£39
ADD TO CART
Delivery time
1-2 weeks
£39
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Bluetooth Receiver Cassette

£119
Bluetooth Receiver Cassette for Opti-Myst systems, enabling wireless control for enhanced ease of use and functionality.
Bluetooth Receiver Cassette for Opti-Myst systems, enabling wireless control for enhanced ease of use and functionality.
£119
ADD TO CART
Delivery time
1-2 weeks
£119
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Power Supply Cassette 1000 Retail - Multicolour

£119
Power Supply Cassette 1000 Retail in multicolour for Opti-Myst systems, designed to provide stable power and support vibrant lig
£119
ADD TO CART
Delivery time
1-2 weeks
£119
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

RGB Light Cassette - Multicolour

£119
RGB Light Cassette in multicolour, offering customizable lighting effects for creating vibrant atmospheres in any space.
£119
ADD TO CART
Delivery time
1-2 weeks
£119
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Cassette 1000 Fan

£59
Cassette 1000 Fan for Opti-Myst systems, designed to provide reliable airflow and maintain the system’s performance.
Cassette 1000 Fan for Opti-Myst systems, designed to provide reliable airflow and maintain the system’s performance.
£59
ADD TO CART
Delivery time
1-2 weeks
£59
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Water Tank for Cassette 400/600

£49
Water Tank for Cassette 400/600, designed to provide reliable water storage and maintain the functionality of your Opti-Myst sys
Water Tank for Cassette 400/600, designed to provide reliable water storage and maintain the functionality of your Opti-Myst sys
£49
ADD TO CART
Delivery time
3-5 weeks
£49
ADD TO CART
Delivery time
3-5 weeks
ADD TO CART

Dimplex

Power Supply for Cassette 400/600

£89
Power Supply for Cassette 400/600, designed to deliver stable power and ensure the smooth performance of Opti-Myst systems.
£89
ADD TO CART
Delivery time
3-5 weeks
£89
ADD TO CART
Delivery time
3-5 weeks
ADD TO CART

Dimplex

Power Supply Cassette LED 2.7A 24V DC PSU

£119
Power Supply Cassette LED 2.7A 24V DC PSU for Opti-Myst systems, delivering reliable power to ensure consistent LED lighting per
Power Supply Cassette LED 2.7A 24V DC PSU for Opti-Myst systems, delivering reliable power to ensure consistent LED lighting per
£119
ADD TO CART
Delivery time
1-2 weeks
£119
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Top Plate Cassette 500 - Steel

£79
Top Plate Cassette 500 in steel for Opti-Myst systems, designed for durability and optimal system performance.
£79
ADD TO CART
Delivery time
1-2 weeks
£79
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Water Meter Cassette Project Min.

£19
Water Meter Cassette Project Min, a replacement part designed to provide accurate water measurement and maintain your system’s e
£19
ADD TO CART
Delivery time
1-2 weeks
£19
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Water Meter Holder

£19
Water Meter Holder for Opti-Myst systems, designed to securely hold the water meter and maintain system stability.
£19
ADD TO CART
Delivery time
1-2 weeks
£19
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART

Dimplex

Nozzle Base Cassette 400

£29
Nozzle Base Cassette 400 for Opti-Myst systems, designed to support proper nozzle function and maintain system efficiency.
Nozzle Base Cassette 400 for Opti-Myst systems, designed to support proper nozzle function and maintain system efficiency.
£29
ADD TO CART
Delivery time
1-2 weeks
£29
ADD TO CART
Delivery time
1-2 weeks
ADD TO CART
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More information about Optimyst Electric Fireplace


What Is an Optimyst Electric Fireplace?

An Optimyst electric fireplace is one of the most realistic alternatives to a traditional wood-burning fire – without smoke, soot or mess. Developed by Dimplex, Optimyst uses ultrasonic technology to create a fine water mist that rises and reflects light, forming convincing, three-dimensional flames and smoke effects.

Unlike flat LED-only displays, Optimyst creates depth, movement and glow that feels almost indistinguishable from the real thing. It’s a perfect solution for British homeowners who want a real-fire look with none of the hassle. Just add water, plug it in, and enjoy the magic of mist-based flame effects in your living room, bedroom or media wall.

Why Choose an Optimyst Electric Fireplace

British homeowners love Optimyst fireplaces for their lifelike performance and safe, mess-free design. Key benefits include:

  • 3D flame and smoke effect created by ultrasonic water vapour
  • Flame without heat for year-round ambience
  • Safe to touch – perfect for homes with children or pets
  • No chimney, gas or ventilation required
  • Easy installation – freestanding, wall-mounted or inset
  • Energy-efficient LED lighting combined with water mist
  • Top-quality craftsmanship from trusted UK brand Dimplex

This makes Optimyst ideal for both modern and period homes across the UK – whether you're renovating a fireplace recess or upgrading a blank wall.


A Realistic Fire Experience Without the Drawbacks

Unlike other electric flame technologies, Optimyst mimics the depth and movement of a real fire using actual mist. The result is a swirling flame that rises and shifts like real combustion – but with no risk of burns, sparks or fumes.

All you need is a standard UK plug and regular tap water. The built-in reservoir provides hours of operation, and many models include adjustable flame height, lighting intensity, and remote control. You get the feeling of a log-burning fire with the ease of electric operation.

This makes Optimyst fireplaces perfect for UK homes that want atmosphere without the commitment, cleaning or building work required by traditional options.

Available in a Range of Styles and Sizes

Optimyst electric fireplaces come in a wide variety of formats to suit different spaces and tastes. Choose from:

  • Inset cassette fires to fit existing fireplaces or bespoke builds
  • Freestanding Optimyst stoves for a traditional cottage look
  • Wall-mounted units for modern interiors
  • Double-sided and open-view fires for room dividers or feature walls
  • Optimyst media wall suites with integrated shelving or TV space

Whether you're furnishing a compact city flat or a large country home, there's an Optimyst model that will elevate your room with warmth, realism and elegance.

Low Maintenance, High Impact

Operating an Optimyst fireplace is as easy as filling the water tank and pressing a button. No wood, no ash, no servicing – and no permanent installation required. The mist is odourless and clean, and the units are designed with energy efficiency in mind.

Many models also include:

  • Thermostat and heat settings
  • Timer function
  • Remote control or smart compatibility
  • Flame-only mode for summer evenings
  • Water level indicators and auto shut-off

This makes Optimyst fireplaces one of the most advanced and convenient electric fireplace options on the UK market today.

Questions?

If you have any inquiries about electric fireplaces, whether it's about installing a wall-mounted unit or maintaining it, we're here to assist you. Feel free to reach out to us via phone, email, or live chat, and we'll do our utmost to provide the assistance you need.

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