Ventless gas fireplaces are usually less realistic looking than a vented gas fireplace.
Vented non vented gas fireplace.
Gas fireplaces come in two configurations.
Ventless gas fireplaces are deemed to operate within the range of safety for cycling combusted gasses back into the home s interior.
By contrast vented gas fireplaces which create a dangerously high amount of combustion vent to the outside.
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.
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.
Ventless gas logs are designed to achieve a clean smokeless flame.
Vented would be what is called direct vent.
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.
Its spent gasses are not returned to the home.
Run the pipe through a hole in the wall behind the unit or positioned slightly above it.
As with any mechanical equipment personal injury can.
Vented or non vented at first it seems like a non vented fireplace might be better.
Excessive water vapor being emitted from your vent free gas fireplace can cause your wallpaper to peel as well as other structural damage.
Vented gas fireplaces range from 64 to 85 or so.
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.
Vented vs ventless gas logs.
Ventless gas logs are extremely efficient and will provide an exceptional amount of heat for your room.
Fully vented gas logs must be burned in a fireplace that is capable of burning real wood and must be burned with the damper open.
When you see this symbol on labels or in manuals be alert to the potential for personal injury or death.
Consider direct venting which uses a two layer pipe if a top vent isn t practical.
A special pipe can be installed to vent the appliance if you don t have a chimney for top venting.
This is a safety alert symbol and should never be ignored.
Direct vent non direct vent this manual must be left with the homeowner for future reference.
If you are mainly looking for an aesthetic you should go with the vented gas fireplace.
However if you prefer warmth over aesthetics go with the ventless option.
They say they have up to 99 9 efficiency.
It can be removed for cleaning but not for use of the fireplace.