How much does it cost to convert an existing gas fireplace opening to fit a built-in electric insert in Ottawa?

Converting an existing gas fireplace opening to accept a built-in electric insert in Ottawa typically runs $1,500 to $4,500 all-in, depending on the size of the opening, the quality of the electric unit you choose, and whether any gas line decommissioning or electrical work is required. That range covers the electric insert itself, basic framing or surround modifications to fit the new unit, and a standard electrical hookup.

The biggest variable is what happens to the existing gas line. If your current gas fireplace is connected to a live gas supply, that line must be properly capped and decommissioned by a TSSA-licensed gas fitter — this is Ontario law, not a suggestion. You cannot simply leave an unused gas line uncapped behind a new electric insert. Gas fitter fees for this work typically run $200 to $500, and you should receive documentation confirming the work was done by a licensed technician. This matters for your home insurance and for the next buyer when you eventually sell.

On the electrical side, most built-in electric inserts draw 1,500 watts on high heat and require a dedicated 120V or 240V circuit depending on the unit. If your existing gas fireplace had an electrical outlet nearby for the blower or ignition, you may be able to repurpose it — but a licensed ESA electrician needs to confirm the circuit is adequate. Running a new dedicated circuit from your panel to the fireplace location adds $300 to $700 to the project.

The electric insert itself is the largest cost driver. A quality built-in unit with realistic flame effects and meaningful heat output runs $800 to $2,500 for the appliance alone. Budget units exist below that range, but the flame realism drops off noticeably, which matters a great deal if ambiance is part of why you want a fireplace. Premium units with 3D flame effects, ember beds, and multi-colour settings sit at the top of that range and genuinely look impressive.

One thing worth knowing: electric inserts produce modest heat — typically around 5,000 BTU, enough to take the chill off a single room. They are not a primary heat source for an Ottawa winter, and if you were hoping to replace meaningful gas heating output with an electric unit, you may want to reconsider the conversion. Gas fireplaces in Ottawa deliver 20,000 to 40,000 BTU or more, which is a significant difference when temperatures drop to -25°C in January.

The conversion also eliminates the need for chimney maintenance on that appliance, which is one of the genuine advantages — no annual gas service call, no chimney inspection, and no venting concerns. If your existing chimney is in poor condition and you were facing a costly repair anyway, the electric conversion can make financial sense even accounting for higher operating costs.

If you are ready to move forward, you can browse fireplace contractors and gas fitters through the Ottawa Construction Network directory at justynrookcontracting.com/directory to find professionals who handle both the gas decommissioning and the electric insert installation as part of a coordinated project.