How much does a gas fireplace insert cost installed?
A gas insert typically costs less than building a comparable fireplace from scratch — a fully vented new gas or wood fireplace with a fuel line and chimney runs $4,000–$12,000, and an insert slides into masonry you already own, so you're not paying for structure. Your total rides on the insert model, the chimney liner, and how far the gas line has to run.
What an insert quote covers
The sealed insert itself — units like the Napoleon Oakville X4 or the Kozy Heat Chaska 25L, which ships with its blower standard — plus a correctly sized chimney liner, the licensed gas line run, surround panels that close off the old opening, and the county permit and inspection. The liner isn't optional and never should be: it's what makes the old masonry flue right for the new appliance. We install every insert with one, and we pressure-test every line we connect.
Why this spend usually earns its keep
An open masonry fireplace can actually run a net heat loss — it pulls more warm air up the chimney than the fire gives back. A sealed gas insert commonly runs 70 percent efficient or better, which turns a decorative hole in the wall into a genuine heater for the room you actually live in. Choose a model with millivolt or battery-backup ignition and it keeps burning when the power doesn't — after Helene left much of WNC dark for days, that's become one of the first things Asheville homeowners ask us about.
What moves your number up or down
Chimney height and condition set the liner cost, and if the flue needs repair first, an inspection catches that before it ambushes your budget. Gas line distance matters — a firebox near the meter in Arden is simpler than a propane setup out in Candler, where we coordinate the tank with your supplier. Finish choices on the surround do the rest. The only honest way to price it is in front of your fireplace: call (828) 545-0525 for a free in-home assessment and a firm upfront number.
Related questions
- How much does a wood-burning fireplace insert cost installed?
- How much does a chimney liner cost when installing a gas or wood insert?
- Will a gas insert lower my heating bills compared to my open fireplace?
- What's the price difference between converting to gas logs versus a gas insert, and which is the better value?
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