Gas logs that vent to the outside just like a wood burning fireplace and gas logs that are not vented at all.
What is a non vented gas fireplace.
Vented vs ventless gas logs.
When shopping for gas logs you ll find two basic types.
You cannot remove the glass or get access to the flames for the vented gas fireplace to function properly.
Cost and energy efficiency however make ventless fireplaces attractive to others.
If you have a non vented fireplace either install a chimney or change it into a fake electric.
According to the hearth association ventless fireplaces boast efficiency rates of 99 percent compared to 70 85 percent for vented units.
Regulations from california massachusetts and canada are often exaggerated and over blown.
Gas fireplaces come in two configurations.
Ventless gas fireplaces differ from vented gas fireplaces in terms of the logs flame patterning and most notably the method of venting.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
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.
This might be an advantage to those with small children or pets but it could also be considered a negative by other people.
With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance.
Vented gas fireplaces.
You may hear the term unvented gas logs referred to as vent free gas log fireplaces.
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.