When shopping for gas logs you ll find two basic types.
What is a non vented gas fireplace.
With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance.
A ventless gas fireplace is one without a chimney or vent and it s an increasingly popular option for cash strapped homeowners since installing a fireplace vent can cost up to 3 000.
This might be an advantage to those with small children or pets but it could also be considered a negative by other people.
Cost and energy efficiency however make ventless fireplaces attractive to others.
Gas fireplaces come in two configurations.
You cannot remove the glass or get access to the flames for the vented gas fireplace to function properly.
Vented gas fireplaces.
But i ll have to agree with them when it comes to non vented fireplaces.
A vented gas fireplace is so safe because of the sealed combustion behind its glass.
A custom ventless fireplace ranges between 2 500 4 000 versus 5 000 6 000 for a vented unit faust says.
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.
You may hear the term unvented gas logs referred to as vent free gas log fireplaces.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
Vented vs ventless gas logs.
According to the hearth association ventless fireplaces boast efficiency rates of 99 percent compared to 70 85 percent for vented units.
Ventless gas fireplaces differ from vented gas fireplaces in terms of the logs flame patterning and most notably the method of venting.