The reason for this is that they do not burn the gas cleanly and create exhaust that is very similar to burning a real wood fire.
Vented non vented gas fireplace.
As with any mechanical equipment personal injury can.
Ventless gas logs are designed to achieve a clean smokeless flame.
A special pipe can be installed to vent the appliance if you don t have a chimney for top venting.
Gas fireplaces come in two configurations.
This is a safety alert symbol and should never be ignored.
Ventless logs do not put off these emissions so no chimney or flue is needed and the heat is more likely to stay in your space.
They don t require a chimney or venting allowing all of the heat produced to circulate back into the room rather than escaping up the chimney.
It pulls air in from outside and vents out air to the outside and there is a fixed panel glass on the front that does not open.
Vented vs ventless gas logs.
Run the pipe through a hole in the wall behind the unit or positioned slightly above it.
They say they have up to 99 9 efficiency.
If you are mainly looking for an aesthetic you should go with the vented gas fireplace.
Ventless gas fireplaces are deemed to operate within the range of safety for cycling combusted gasses back into the home s interior.
Ventless gas fireplaces are usually less realistic looking than a vented gas fireplace.
It can be removed for cleaning but not for use of the fireplace.
Excessive water vapor being emitted from your vent free gas fireplace can cause your wallpaper to peel as well as other structural damage.
Consider direct venting which uses a two layer pipe if a top vent isn t practical.
Even gases other than carbon monoxide can cause respiratory problems if they re present in large enough quantities and or someone in the home has sensitivity to that gas.
Ventless gas logs are extremely efficient and will provide an exceptional amount of heat for your room.
Vented would be what is called direct vent.
When you see this symbol on labels or in manuals be alert to the potential for personal injury or death.
Vented or non vented at first it seems like a non vented fireplace might be better.
Direct vent non direct vent this manual must be left with the homeowner for future reference.
By contrast vented gas fireplaces which create a dangerously high amount of combustion vent to the outside.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
However if you prefer warmth over aesthetics go with the ventless option.
Its spent gasses are not returned to the home.