A gas fireplace conversion takes the fireplace you already have — the one you rarely light because hauling wood and shoveling ash is a chore — and turns it into a clean, push-button heat source you’ll actually use. You keep the fireplace as the focal point of the room and lose the mess, the smoke, and the effort. For most homeowners, it’s the single best upgrade an old wood-burning fireplace can get.
We convert wood fireplaces to gas all the time, and the reaction is almost always the same: “I wish I’d done this years ago.” This guide walks through what a gas fireplace conversion involves, your options, and how to decide if it’s right for your home.
Why Convert a Wood Fireplace to Gas?
Wood fires are romantic in theory and a lot of work in practice. Converting to gas keeps the ambiance and drops the hassle. Here’s what you gain.
• Instant, effortless fire. Flip a switch or press a remote — no kindling, no matches, no coaxing a fire to life.
• No mess. No logs to haul and store, no ash to shovel, no soot coating the firebox.
• Efficient heat. A sealed gas conversion keeps far more warmth in the room than an open wood fire, which actually pulls heated air up and out.
• A cleaner burn. Gas produces far less particulate than burning cordwood, which is better for your indoor air. The U.S. EPA notes that switching from open wood fires to cleaner-burning appliances meaningfully reduces wood smoke emissions.
• You’ll use it more. The whole point of a fireplace is enjoying it, and people light a gas fireplace far more often than a wood one.
Ready to explore the process for your home? Our convert my fireplace resource is a great starting point.
Your Conversion Options
“Converting to gas” isn’t one thing — there are three main paths, depending on how much heat and efficiency you want.
|
Option |
What It Is |
Best For |
|
Gas insert |
Sealed unit into the firebox |
Maximum efficiency and heat |
|
Gas log set |
Log-and-burner set in the open firebox |
Ambiance with some warmth |
|
Built-in gas fireplace |
New unit replacing the firebox |
A full redesign |
Option 1: A Gas Insert (Most Efficient)
If you want your converted fireplace to genuinely heat the room, a gas insert is the way. It’s a sealed unit that slides into the existing firebox, seals off the drafty opening, and radiates efficient heat back into the space. This is the choice for homeowners who want performance, not just looks. Explore the range in our gas inserts collection.
Option 2: A Gas Log Set (Simplest)
For a lighter-touch conversion focused on ambiance, a gas log set drops into the existing open firebox. Vented log sets deliver a large, realistic flame; vent-free sets put more heat into the room. It’s the simplest way to get gas flames dancing in a fireplace that used to burn wood. See the options in our gas log sets collection.
Option 3: A New Built-In Gas Fireplace
If the firebox itself is dated or you want to change the size or style, replacing it with a new built-in gas unit gives you the most design freedom — including a switch to a wide linear look. This overlaps with a full fireplace replacement, which our guide to modernizing an old fireplace covers in more detail.
Conversion vs. Full Replacement: Which Do You Need?
Homeowners often ask whether they should convert or simply replace the whole fireplace. The difference comes down to the condition of your existing firebox and what you want to change.
A conversion keeps your existing firebox and adds gas to it — via an insert or log set. It’s the right move when the firebox is structurally sound and you mainly want to change how it burns.
A full replacement swaps the firebox itself for a new unit. It makes sense when the existing fireplace is damaged or dated, or when you want to change the size, shape, or location — for example, going from a small traditional box to a wide contemporary feature.
For most homeowners with a serviceable wood fireplace, a conversion delivers the biggest improvement for the least disruption. If you’re reinventing the whole wall, a replacement opens up more options.
Natural Gas or Propane?
A gas conversion runs on either fuel. If your home has a natural gas line, that’s usually the most convenient path. If you’re on propane, there are plenty of conversion-friendly units built for LP. The unit is configured for one fuel type, so confirm which you have early in the process. Either way, you get the same clean, controllable flame at the push of a button.
What the Conversion Process Looks Like
Every home is a little different, but a gas fireplace conversion generally follows a clear path.
1. Assessment. Factory-trained technicians evaluate your existing wood-burning fireplace — the firebox, the flue, and the fuel access — to determine which conversion options fit.
2. Selection. You choose an insert, log set, or built-in unit, plus the style and any decorative front.
3. Fuel connection. A gas supply line is run to the fireplace and connected to the unit.
4. Installation and venting. The unit is installed and vented correctly for its type, then sealed and tested for safe operation.
5. Finishing. Any surround or front is completed so the converted fireplace looks intentional and clean.
Keeping the entire conversion with factory-trained technicians protects your home and keeps the manufacturer’s warranty valid. Because the work involves the fuel system and venting, it’s not a DIY project — and doing it right the first time is what delivers years of safe, reliable operation.
Safety and Clean Combustion
A common question about converting to gas is safety, and the honest answer is that a properly installed and maintained gas fireplace is very safe. When a gas appliance burns correctly, complete combustion produces mostly carbon dioxide and water vapor — not carbon monoxide. Carbon monoxide only forms when combustion is incomplete, which is why professional installation, annual service, and a working CO alarm matter.
Sealed gas units also eliminate the sparks and flying embers of an open wood fire, and they produce far less indoor particulate. For many families, that cleaner, more controlled burn is a big part of the appeal.
Efficiency: The Hidden Payoff
Here’s something many homeowners don’t realize: an open wood-burning fireplace is often a net loss for home heating. As it burns, it draws warm room air up and out, which can leave the rest of the house colder. A sealed gas conversion flips that equation — it keeps its heat in the room, which the U.S. Department of Energy highlights as a strength of efficient, sealed gas appliances.
Used to warm the room you spend the most time in, a converted gas fireplace becomes an effective zone heater, letting you ease back on the whole-house system.
Maintaining Your Converted Fireplace
One of the quiet benefits of converting to gas is how little upkeep it needs compared with burning wood. There’s no ash to shovel, no wood to season and store, and no soot buildup to manage. Day-to-day, keeping the glass clean and the surrounding area clear is most of what’s required.
The one routine to keep is an annual tune-up by factory-trained technicians, who clean the burner, check the ignition, confirm the venting is clear, and verify safe operation. That yearly service keeps combustion complete and efficient, protects the manufacturer’s warranty, and catches small issues before they become repairs. Our team handles complete service and care for converted fireplaces.
Is a Gas Conversion Right for You?
Converting a wood fireplace to gas is an excellent move if you:
• Rarely use your wood fireplace because of the effort and mess.
• Want efficient heat rather than a fire that actually cools the house.
• Value push-button convenience and a cleaner burn.
• Want to keep your fireplace as a focal point without the upkeep.
If you genuinely love building and tending a wood fire, keeping it may be the right call — but if the wood fireplace mostly sits unused, a conversion transforms it into something you’ll enjoy daily. Start with our convert my fireplace resource, and our team will help you choose the right path.
Frequently Asked Questions
Can any wood-burning fireplace be converted to gas? Most can. The right conversion — a gas insert, a gas log set, or a new built-in unit — depends on your firebox, flue, and fuel access. Factory-trained technicians assess your existing fireplace to determine the best option.
What’s the best way to convert a fireplace to gas? For efficient heat, a sealed gas insert is the best choice. For simpler ambiance, a gas log set drops into the open firebox. For a full redesign, a new built-in gas fireplace offers the most freedom. Your goals and firebox determine the right path.
Is converting to gas more efficient than a wood fireplace? Yes. An open wood fireplace often pulls heated air out of the room as it burns, while a sealed gas conversion keeps its heat in the space. Used for zone heating, a converted gas fireplace is far more efficient.
Does a gas conversion work with propane? Yes. Conversions can run on natural gas or propane. The unit is configured for one fuel type, so confirm which your home uses. Propane is a great option for homes without a natural gas line.
Is a gas fireplace conversion safe? Yes, when professionally installed and maintained. A properly burning gas unit produces mostly carbon dioxide and water vapor, not carbon monoxide. CO only forms from incomplete combustion, so annual service and a working CO alarm are important.