Does replacing an open wood fireplace with an insert improve the air in my house?
Yes — and in Flat Rock's 1800s homes, where oversized open masonry fireplaces sit on aging clay flue liners, it's a real air-quality and safety upgrade. Cracked clay liners let smoke and combustion byproducts leak into walls and rooms rather than venting out. A sealed insert with a proper stainless liner keeps the burn contained and leaves the historic look untouched.
The trouble with a 150-year-old flue
Historic Flat Rock's oversized open hearths were built for the era's whole-house heating, and the clay liners behind them have spent well over a century cracking, shifting, and gapping. A compromised liner is a hidden leak path — smoke, soot, and gases finding their way into the surrounding masonry and back into living space instead of climbing up and out. These big open boxes also pull hard cold-air drafts into the room, so you end up with chilly drafts and dirty air at the same time.
Real-estate and Level 2 inspections in these historic homes routinely flag exactly this — a liner that photographs fine from the hearth but has gaps you'd never see from the room. It's the kind of hidden problem a family can live with unknowingly for years, breathing a little more than they should each winter.
Sealed inside, unchanged outside
An insert drops inside the existing firebox, so the mantel, stone, and period detail stay exactly as they are while a fresh stainless liner sized to the appliance restores a clean, controlled vent path. On Flat Rock's natural-gas mains, a direct-vent gas insert seals combustion away completely — nothing into the room. If you'd rather keep wood, an EPA-certified Regency or Superior insert burns far cleaner than the open box and drafts properly through the new liner.
Because we handle the appliance, the liner, the gas line, the permit, and the inspection as one job, you're not stitching a historic-home project across a showroom, a mason, and someone else hunting for a gas license — it's one accountable company from firebox to final sign-off. We permit with Henderson County and pressure-test the line. Thirty minutes south of our Asheville showroom. (828) 545-0525.
Fireplace help in Flat Rock
We install and service fireplaces throughout Flat Rock and the rest of Henderson County — just 30 minutes south from our Asheville-area showroom.
Related questions
- Do wood-burning fireplaces pollute the air inside your house?
- Will converting my wood fireplace to gas improve my indoor air quality?
- Does a wood-burning insert pollute less than an open fireplace?
- Will a gas insert seal off the drafts and old smoke odors coming from my open fireplace chimney?
- Does closing the glass doors on a wood-burning fireplace keep smoke out of the room?

