In many homes, an existing indoor wood-burning fireplace can be converted to a gas fireplace. But the process is not automatic, not universal, and not the same for every home.
Whether conversion is possible depends on:
This article explains what conversion really involves, what changes inside the system, and when conversion is or is not a good idea.
Most masonry or factory-built wood fireplaces can be converted provided they are structurally sound and access to a gas line is possible.
Conversion does not mean simply swapping fuel.
A wood fireplace and a gas fireplace operate under completely different combustion rules.
When people say “convert,” they usually mean one of three scenarios:
Each option has different requirements, safety considerations, and limitations.
Before any conversion discussion, the existing fireplace must be evaluated. Key questions include:
A fireplace that looks fine visually can still be unsafe or unsuitable internally.
A gas insert is a sealed gas firebox designed to fit inside an existing wood fireplace opening.
Most gas inserts require a stainless steel liner, proper termination at the chimney top, and sealed exhaust paths. This liner is critical as it improves draft and prevents exhaust leakage.
This is often the preferred method when homeowners want efficiency and convenience. It works best when the chimney structure is sound and the opening meets size requirements.
Gas logs are decorative burners installed inside an existing wood firebox.
Gas logs typically require a functioning chimney and a damper locked open. Because exhaust flows directly up the chimney, airflow quality is critical.
While often chosen for aesthetics, gas logs provide less heat than inserts and depend heavily on the existing chimney's draft performance.
In some cases, homeowners remove the existing wood fireplace structure entirely. This is a major renovation involving demolition, reframing, and installing a new zero-clearance gas unit.
This is necessary when the original fireplace is unsafe or the homeowner wants a completely different size or style.
Regardless of conversion type, a gas supply line must be installed. This involves tapping into an existing system, pressure regulation, and leak testing. Gas lines must meet local code and be installed by a licensed professional.
Wood fireplaces rely on high-temperature smoke draft. Gas fireplaces rely on controlled exhaust and precise vent sizing.
This is why chimney liners are often required even when the chimney already exists.
Costs vary based on the type of system and infrastructure needs. Generally, gas inserts cost more upfront but perform better, while gas logs cost less but deliver less heat.
Conversion may not be advisable if:
Converting an indoor wood fireplace to gas is often possible, but never automatic. It requires structural evaluation, venting redesign, and code compliance.
When done correctly, conversion offers convenience, cleaner operation, and consistent indoor comfort.
Need Help Understanding Your Options?
If you’re unsure whether your indoor wood fireplace can be converted to gas, or you want clarity on what the process would involve in your specific home, we’re happy to help.
📧 support@pureflameco.com
📞 +1-833-922-6460
We can walk through the basics, answer ownership questions, and help you understand next steps—without pressure.
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