How to Install an Electric Fireplace Insert in an Existing Fireplace

Installing an electric fireplace in an existing fireplace is a great way to bring warmth and ambiance to your home without the mess and maintenance of a traditional wood-burning or gas fireplace. Electric fireplace inserts are designed to fit into the opening of a standard fireplace and are relatively easy to install. This guide will walk through the installation process step by step, ensuring a smooth and safe installation.

Materials Needed:

  • Electric fireplace insert
  • Tape measure
  • Power drill and screws
  • Level
  • Fireplace screen or surround (optional)
  • Extension cord (if needed)

Step-by-Step Installation Guide

1. Measure the Fireplace Opening

Before purchasing an electric fireplace insert, it’s crucial to measure the opening of the existing fireplace. Use a tape measure to check the firebox’s width, height, and depth. Compare these measurements with the dimensions of the electric insert to ensure a perfect fit.

  • Tip: Leave some space around the insert for ventilation and airflow.

2. Clean the Fireplace

Once the measurements are confirmed, clean the fireplace thoroughly. Remove any old ash, soot, or debris from the firebox to create a clean surface for installation. This also ensures there are no fire hazards from previous use.

  • Tip: Use a vacuum or brush to get rid of smaller particles.

3. Ensure Power Supply

Electric fireplace inserts need a power source, so ensure an electrical outlet is nearby. Ideally, the outlet should be inside the fireplace or close enough to reach with the cord of the insert. If no outlet is nearby, you may need to use an extension cord or have an electrician install an outlet closer to the fireplace.

  • Tip: Make sure the outlet can handle the required wattage of the fireplace insert, typically around 120V.

4. Insert the Electric Fireplace

Slide the electric fireplace insert into the opening of the existing fireplace. Depending on the unit’s weight, you might need a second person to help position it safely. Make sure it’s centered and sits level inside the firebox.

  • Tip: Use a level to check the alignment and ensure the insert is perfectly straight.

5. Secure the Insert

Some models come with brackets or screws to secure the unit inside the firebox. If the insert has these, use a power drill to attach the brackets to the fireplace’s inside, ensuring it is securely in place. The insert may rest inside the fireplace opening without additional support if no brackets are included.

  • Tip: Be gentle when securing the unit to avoid damaging the fireplace walls.

6. Connect the Power

Once the insert is in place, plug the unit into the nearest electrical outlet. If the plug is not easily accessible, you can use a power strip or extension cord. Still, it’s essential to ensure that it’s a heavy-duty extension cord designed for appliances that draw significant power.

  • Tip: Tuck away or hide the cord to keep the area neat and avoid tripping hazards.

7. Test the Insert

After plugging in the unit, turn on the electric fireplace to ensure everything works properly. Test the heat settings, flame brightness, and additional features like remote control or timers to ensure they are functioning as expected.

  • Tip: Allow the unit to run for a few minutes to check for issues with overheating or strange sounds.

8. Add Surround or Screen (Optional)

Some inserts come with a surround or decorative trim to cover gaps between the insert and the fireplace opening. If your insert includes this feature, install the surround according to the manufacturer’s instructions. If you prefer a more traditional look, you can add a fireplace screen or glass doors to enhance the installation’s appearance.

  • Tip: Choose a surround or screen that matches your home’s décor for a polished finish.

Conclusion

Installing an electric fireplace in an existing fireplace is a straightforward project that can be completed in simple steps. With the correct measurements, power supply, and safety checks, you can quickly transform a traditional fireplace into a modern, energy-efficient source of heat and ambiance. The process is not only cost-effective but also adds a cozy atmosphere to any room without the maintenance of wood or gas.


FAQs

Do electric fireplace inserts need ventilation?

Electric inserts do not require ventilation, chimneys, or flues, making them a convenient option for installation in almost any space.

Can an electric fireplace insert heat into a large room?

Most inserts are designed to heat small to medium-sized rooms. It’s essential to check the unit’s heating capacity (typically measured in BTUs) for larger spaces and consider a model designed for higher heat output.

Is it safe to leave an electric fireplace insert running overnight?

Electric fireplace inserts are generally safe for extended use, but it’s always best to turn them off when leaving the house or going to bed. Many models have automatic shut-off features for added safety.

What maintenance is required for electric fireplace inserts?

Electric inserts are low-maintenance. The most common upkeep includes periodically cleaning the glass or screen and ensuring the electrical components remain dust-free.

Can an electric fireplace insert be used without heat?

Yes, most electric inserts allow users to turn on the flame effects without activating the heat, making them perfect for year-round use.

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