Is my gas fireplace vented?
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Just so, what is the difference between a vented and unvented gas fireplace?
Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. They must be burned in a wood burning fireplace with the damper open, so smoke goes up the flue along with most of the heat. Ventless (vent-free) gas logs burn cleanly with a lower flame that does not smoke.
Also Know, are vented gas fireplaces efficient? Vented Gas Fireplace Efficiency Two-pipe models offer efficiency ratings of 70 percent to 85 percent, while single-pipe units offer around 50 percent efficiency, according to the This Old House website. Single-pipe models are also known as "B-vent" gas fireplaces.
Herein, does a gas fireplace need a vent?
Ventless fireplaces fueled by gas or propane rely on indoor air for combustion, and they exhaust a low level of their combustion gases into the room in which they're located. A chimney or flue isn't necessary. In fact, ventless fireplaces generally are just for aesthetics and supplemental space heating.
How long can you run a vented gas fireplace?
two to three hours