How to Build a Stunning Faux Fireplace With Electric Insert

To build a faux fireplace with an electric insert, create a mantel structure, install the insert securely, and decorate to enhance the cozy ambiance.

A faux fireplace with electric insert adds warmth and charm to any room without the hassle of real fire. This DIY project transforms blank walls into cozy focal points perfect for hanging stockings or enjoying ambient flames year-round.

Choose Your Electric Insert First

Build the opening around the insert, not the other way around.

Adjustable Flame Insert

R.W.FLAME Electric Insert 23-Inch

The 23.15-inch-wide insert gives you a concrete opening size to plan around, while its 750W and 1500W heat settings suit different room conditions. Adjustable flame colors, log colors, speeds and brightness let you tune the look after the structure is finished.

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Planning Your Faux Fireplace

Start by choosing your electric insert first. Popular options include:

• Traditional mantel inserts (20-30″ wide)
• Modern linear fireplaces (36-72″ wide)
• Corner units for awkward spaces

For a realistic look, consider electric heaters that mimic wood-burning stoves. Measure your space carefully – most fireplaces extend 12-18″ from the wall.

Electrical Requirements

Most electric inserts need:

If you don’t have an existing outlet, hire an electrician. For safety, never use extension cords with fireplace inserts.

Building the Fireplace Structure

Framing the Base

Use 2×4 lumber to create a sturdy frame:

1. Cut vertical studs to reach from floor to ceiling
2. Build horizontal supports at top and bottom
3. Add cross braces every 16″ for stability

Anchor the frame to wall studs using 3″ wood screws. Check for level at each step.

Creating the Firebox

The firebox holds your electric insert. Build it with:

• 1/2″ plywood for sides and top
• 2×4 platform at desired height (typically 12-18″ off floor)
• Leave 1/4″ clearance around insert for ventilation

For a rustic look, line the interior with modern heat-resistant materials like ceramic tiles or stone veneer.

Finishing the Fireplace

Drywall and Trim

Cover the frame with 1/2″ drywall. Use corner beads for clean edges. Popular finishing options include:

• Beadboard for cottage style
• Shiplap for farmhouse charm
• Smooth drywall for modern looks

Adding the Mantel

Choose a mantel that complements your decor:

1. Reclaimed wood for rustic appeal
2. MDF for painted finishes
3. Floating shelves for contemporary spaces

Secure the mantel with heavy-duty brackets or built-in supports. Most sit 54-60″ above the floor.

Installing the Electric Insert

Follow manufacturer instructions carefully:

1. Test the insert before final installation
2. Secure with provided brackets or trim pieces
3. Hide cords with in-wall cable management
4. Add finishing trim around the insert

For safety, maintain all clearances specified in your unit’s manual. Most require 6-12″ clearance above the insert.

Decorating Your New Fireplace

Complete the look with:

• Candles or lanterns inside the firebox
• Stacked logs (real or faux) around the insert
• Seasonal decor on the mantel
• Mirror or artwork above the mantel

Consider adding built-in shelves or cabinets on either side for extra storage and display space.

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