Should I heat with my gas fireplace instead of the furnace to save money on the room I'm in?
In Flat Rock, the honest answer starts with your fireplace itself — the historic homes here came with oversized open masonry hearths that pull warm air up the flue faster than they heat the room. As-is, that defeats zone heating. Convert it to a sealed insert, though, and warming one room genuinely saves.
Grand Old Fireplaces Weren't Built to Save Fuel
Some of these homes date to the 1800s, with big open fireboxes and aging clay flue liners that were designed for spectacle, not efficiency. An open masonry fireplace can run a net heat loss — while it's burning, it draws heated household air up the chimney, so trying to zone-heat with it works against you. That's the opposite of what you want when the goal is a lower bill.
A Sealed Insert Keeps the Character, Loses the Draft
The fix that pays is a gas insert with a properly sized liner: it drops into the existing masonry opening, preserves the look of a historic Flat Rock hearth, and stops the cold-air draft those old fireboxes pull into the room. Inserts commonly run 70 percent efficient or better, so now the one room you're warming actually stays warm while the furnace sits turned down — real zone heating at last.
Natural Gas and a Henderson County Permit
Flat Rock is on the natural-gas mains, which keeps the fuel side of the math kind, and cool valley evenings stretch the season worth heating this way. We pull the Henderson County permit and pressure-test the line — relining and connecting a gas insert is licensed work a mason legally can't finish. Call (828) 545-0525 for a free assessment.
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
- Can a gas fireplace be my main heat source?
- Can I run my fireplace and my furnace at the same time?
- Does turning the flame down make my gas fireplace use less gas?
- How does thermostat mode on my fireplace remote work, and how do I set it?
- Should I run my gas fireplace once in a while even when I don't need the heat?

