In theory a gas fireplace without a vent should be safe because of how propane gas burns and there are no worrisome flames and extreme heat around your kids and pets.
Gas logs vented or unvented.
They put out a constant rate of heat.
Vented gas logs ventless gas logs see thru gas logs gas fire glass sets outdoor gas logs natural gas logs propane gas logs contemporary.
24 in 40000 btu dual burner vent free gas fireplace logs with thermostat and remote.
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Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
Vented gas fireplaces do require a way to vent to the outside.
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Vented gas logs offer the most realistic flame.
A traditional vented gas fireplace view example on amazon fueled by either natural gas or propane has two vents that run to the exterior of.
If you have vented gas logs most of the moisture escapes out the vent but when you use unvented gas logs the extra moisture enters your home.
18 in 38000 btu dual burner vent free gas fireplace logs with thermostat.