Is it worth replacing my old open-front B-vent gas fireplace with a sealed direct vent unit?
In Marshall, yes — and here the venting is the headline. Homes are stacked on steep hillsides and narrow lots wedged against the mountainside, where routing a tall vertical B-vent chimney is a genuine problem. A sealed direct-vent unit can vent straight out a sidewall instead — often the only clean path on a cramped grade — and it heats far better besides.
Tight lots, hard chimney runs
Marshall's terrain is unlike the subdivisions down in the valley — steep access, limited room, and revitalized downtown buildings built multi-story right into the slope. An open-front B-vent needs a vertical flue running up through the structure, which on a cramped hillside home is awkward at best and impossible at worst. A direct-vent unit changes the geometry: its sealed coaxial pipe can exit horizontally through a sidewall, so you're not forced to thread a chimney up through a tight, multi-level house. On these lots, that flexibility alone often decides the project.
And it actually heats
The venting advantage comes with the efficiency one. An open-front unit draws the room's warmed air to feed the flame and sends the burner's output up the flue — the French Broad gorge's cool, damp evenings mean you feel that loss. The sealed direct-vent box keeps your room air out of the combustion and returns most of the fuel as heat you feel across the room. Draft on these gorge lots is fickle too — downdrafts and damp air fight a natural-vent flue — and a sealed unit sidesteps that entirely. For a narrow downtown building or a hillside home above the river, it's more warmth from a smaller, smarter footprint.
Licensed, permitted, and 25 minutes out
We're 25 minutes north, so a site visit to sort the venting path is easy. The swap: old unit and vent out, new direct-vent piping to spec, gas line remade, pressure-tested, permitted with the county, and inspected — connecting fuel is licensed work in NC, and it's ours. Installation runs $3,500–$8,000 installed; the assessment is free. Call (828) 545-0525.
Fireplace help in Marshall
We install and service fireplaces throughout Marshall and the rest of Madison County — just 25 minutes north from our Asheville-area showroom.
Related questions
- What's the difference between direct vent and B-vent gas fireplaces?
- Which is more efficient, a direct vent or a B-vent gas fireplace?
- Is a B-vent fireplace the same thing as a natural vent fireplace?
- Why do direct vent fireplaces have sealed glass fronts while older gas fireplaces are open?
- Is it better to vent a direct vent gas fireplace out the wall or up through the roof?