Published at Saturday, September 15th, 2018 - 21:56:28 PM. Fireplace. By Andrea Wichterle.
Outdoors a ventless gas log cannot deplete oxygen or fill your home with gas but a different set of issues ensues. Oxygen Sensors can get pollen and dust in them and wind can confuse the pilot assembly’s ability to provide continuous heat to the thermocouple. The design of the fireplace and the placement of the logs should be discussed with a professional to minimize these possibilities. These issues do not risk the safety of your family but if the thermocouple thinks the pilot is out because the wind is directing the flame in another direction, your gas log burner will turn itself off. An experienced installer will manipulate the mounting bracket to work around wind issues and position the Oxygen Depletion Sensors so they do not get clogged with pollen and dust.
I have been in this situation many times and the answer is often gas logs. I have had clients with damage to their chimney flue inside a wall and believe they can put a gas log fireplace kit into their wood-burning fireplace instead of repairing the damaged flue. This is a mistake, and a dangerous mistake. Gas logs use liquid propane or natural gas instead of wood for fuel. When gas burns, oxygen is burned and carbon monoxide is created. If there is damage to the flue, a typical gas log fireplace is not the answer because the fresh air ventilation is still necessary to pull out carbon monoxide. The answer is ventless gas logs. Vent free gas logs do not have to be vented. When a client wants to design a custom outdoor fireplace but they do not want to build a chimney and cut through their patio roof, a vented gas log kit is the perfect solution because no ventilation is necessary.
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