Which gas fireplace brands work without electricity during a power outage?
Flat Rock's 1800s homes were built around oversized open masonry fireplaces — beautiful, but they lose heat and don't help in an outage. Drop in a millivolt gas insert and that changes: a Valor runs on zero electricity, and a battery-backup Napoleon lights with the grid down, both feeding off Flat Rock's natural-gas service.
Historic character, modern heat
Historic Flat Rock is full of 19th-century houses with big open hearths and aging clay flue liners that have seen better decades. An open firebox that size actually runs a net heat loss — it pulls warm room air up the chimney. A sealed gas insert set into that opening, with a correctly sized liner, keeps the mantel and the character while turning the fireplace into a heater that lights when the power's out. Nothing about a millivolt insert depends on the grid, so the room stays warm through a long outage.
Fixing the draft while you're at it
Those old open hearths pull cold-air drafts down into the room even when they're not lit — a common Flat Rock complaint. A sealed insert closes that loop, so you stop heating the outdoors through your chimney. Because Flat Rock sits on natural-gas service, we can run and permit the gas line — licensed work a mason or showroom legally can't finish — and pull the Henderson County permit with the inspector. The reward is a warmer, tighter room without touching the home's historic footprint.
Which units, and the one caveat
For grid-down heat we lean on Valor, which needs no electricity at all, and Napoleon's battery-backup Ascent line; both light and radiate through an outage. The blower is the only piece that pauses until power returns. Electric fireplaces, by contrast, go dark with the grid — fine for looks, no use as backup. After Helene's long outages, that difference is exactly why Flat Rock owners call. Reach us at (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.

