Recessed electric fireplace inserts install inside a framed opening, so the glass sits close to the wall surface and the fire looks built in. This page lists inserts in a range of sizes, including Modern Flames Orion traditional virtual units from 26 to 54 inches, the Modern Flames Spectrum Slimline recessed model, and the Dimplex Revillusion built-in firebox. They suit renovations and new builds where you want a fireplace without a chimney or gas line. Compare the rough opening, the recess depth, the heater rating and the finishing trim.

6 products
  • Dimplex Revillusion 42" Built-in Electric Firebox With Glass Pane and Plug Kit Dimplex Revillusion 42" Built-in Electric Firebox With Glass Pane and Plug Kit
    Dimplex Revillusion 42" Built-in Electric Firebox With Glass Pane and Plug Kit
    Dimplex

    Dimplex Revillusion 42" Built-in Electric Firebox With Glass Pane and Plug Kit

    Built-in Electric Firebox · 42" · up to 8,800 BTU A 42-inch firebox where the flames seem to rise from the logs The Dimplex Revillusion 42" is a built-in electric...
    $2,669.99
    $2,669.99

    8.8k BTUElectricNo Vent Required (Electric)42 in view

    Ready to ship free US delivery

  • Modern Flames Orion 26" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU Modern Flames Orion 26" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames Orion 26" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames

    Modern Flames Orion 26" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU

    Electric Fireplace Insert · 26" · 5,000 BTU Heliovision flames sized for small walls The Orion 26 is the most compact size in the Modern Flames Orion Traditional line, made...
    $2,249.00
    $2,249.00

    5k BTUElectricNo Vent Required (Electric)26 in view

    Ready to ship free US delivery

  • Modern Flames Orion 30" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU Modern Flames Orion 30" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames Orion 30" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames

    Modern Flames Orion 30" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU

    Electric Fireplace Insert · 30" · 5,000 BTU A mid-size Orion for living room feature walls Step up from the 26 and you get the Orion 30: a wider firebox...
    $2,499.00
    $2,499.00

    5k BTUElectricNo Vent Required (Electric)30 in view

    Ready to ship free US delivery

  • Modern Flames Orion 36" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU Modern Flames Orion 36" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames Orion 36" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU
    Modern Flames

    Modern Flames Orion 36" Traditional Virtual Built-in Electric Fireplace Insert 5,000 BTU

    Electric Fireplace Insert · 36" · 5,000 BTU Taller opening, bigger fire, same Heliovision realism The Orion 36 is where the line gains real height, with a firebox nearly 25...
    $2,999.00
    $2,999.00

    5k BTUElectricNo Vent Required (Electric)36 in view

    Ready to ship free US delivery

  • Modern Flames Orion 42" Traditional Virtual Built-in Electric Fireplace 8,300 BTU Modern Flames Orion 42" Traditional Virtual Built-in Electric Fireplace 8,300 BTU
    Modern Flames Orion 42" Traditional Virtual Built-in Electric Fireplace 8,300 BTU
    Modern Flames

    Modern Flames Orion 42" Traditional Virtual Built-in Electric Fireplace 8,300 BTU

    Built-in Electric Fireplace · 42" · up to 8,300 BTU Bigger heat and a statement-size Heliovision fire At 42 inches wide, the Orion steps up to a heater rated as...
    $3,499.00
    $3,499.00

    8.3k BTUElectricNo Vent Required (Electric)42 in view

    Ready to ship free US delivery

  • Modern Flames Orion 54" Traditional Virtual Built-in Electric Fireplace 8,300 BTU Modern Flames Orion 54" Traditional Virtual Built-in Electric Fireplace 8,300 BTU
    Modern Flames Orion 54" Traditional Virtual Built-in Electric Fireplace 8,300 BTU
    Modern Flames

    Modern Flames Orion 54" Traditional Virtual Built-in Electric Fireplace 8,300 BTU

    Built-in Electric Fireplace · 54" · up to 8,300 BTU The widest Orion for a full feature wall The Orion 54 is the largest firebox in this group, stretching over...
    $5,999.00
    $5,999.00

    8.3k BTUElectricNo Vent Required (Electric)54 in view

    Ready to ship free US delivery

What to check on a recessed electric fireplace insert

Work from the rough opening. Measure the width, height and depth of the cavity and compare them with the dimensions in each product manual. Slimmer inserts need very little depth, which helps when you are building into an existing wall. Check the trim options, because a traditional frame, a flush glass front or a custom surround each give a different finish. Think about airflow: warm air leaves from the front or top, so keep the opening free of obstructions and avoid sealing the unit in. Confirm the electrical requirement, and decide whether you want the flame to run without the heater.

How deep does a recessed electric fireplace need to be?

Depth varies by model, from slim units that need only a few inches to deeper firebox styles. The manual lists the rough opening depth.

Can I install a recessed electric fireplace in an existing wall?

Often yes, if the wall can be opened to the required size and you avoid structural elements. A contractor can confirm the best approach.