How much heat output (BTU) does a gas fireplace lose at mountain elevation?
Mills River sits near 2,096 feet — one of the lowest elevations we serve, where the altitude derate on a gas fireplace is under half a percent and effectively a rounding error. Out here the real BTU questions are fuel, since many rural properties run propane, and outdoor fire features on these open valley lots.
Propane on the big rural lots
Plenty of Mills River homes sit on large lots off the natural-gas main and run on propane. Propane burns hotter per unit than natural gas and needs its own orifice and pressure — and connecting it is licensed work. Set it correctly and the near-zero elevation loss simply never enters the conversation. A Kozy Heat is built for exactly this kind of propane-country home.
Outdoor heat that ignores altitude entirely
The open valley here is made for outdoor living, and a fire feature earns its keep on cool mountain evenings much of the year. Plan a gas fire pit or outdoor fireplace in late spring, before entertaining season — a Napoleon LP fire pit throws serious heat when the air turns.
We run the buried, outdoor-rated gas line, pull the Henderson County permit, and meet the inspector. Mills River is 25 minutes south of the showroom. Call (828) 545-0525.
Fireplace help in Mills River
We install and service fireplaces throughout Mills River and the rest of Henderson County — just 25 minutes south from our Asheville-area showroom.
Related questions
- Does WNC's mountain elevation affect how a gas fireplace performs?
- Do I need a high-altitude conversion kit for my gas fireplace, and above what elevation?
- Do ventless gas logs work at high elevations, or are they restricted above a certain altitude?
- Do wood fireplaces and stoves draft differently at higher elevations?
- Does a gas fireplace cost more to run on propane than on natural gas?