With ventless units though the flames must run through prescribed holes called posts that largely separate the flames from the logs.
Vented vs ventless gas fireplace logs.
A custom ventless fireplace ranges between 2 500 4 000 versus 5 000 6 000 for a vented unit faust says.
Ventless gas logs will produce more heat while vented gas logs will look much more realistic.
Yes ventless gas logs heat more effectively than vented logs because there s no chimney flue for the heat to escape through.
With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance.
Cost and energy efficiency however make ventless fireplaces attractive to others.
Direct vent fireplaces require a venting system while ventless fireplaces are just that completely vent free.
Ventless fireplaces are not permitted in some areas.
The two main types of gas fireplaces available today are direct vent and ventless.
Vented gas logs require a fully functional wood burning fireplace and must be burned with the damper open ventless or vent free gas logs can be installed in either a wood burning fireplace or a ventless fireplace that is rated for aftermarket ventless logs and are burned with the damper closed.
Despite producing far fewer fumes than vented gas fireplaces a small amount of fumes will still be emitted into your house.
Here s what you need to know to help you decide which type is right for you.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
Vented gas logs offer a full authentic looking flame presentation with plenty of ambiance while ventless gas logs provide a reliable and efficient heating source.
They put out a constant rate of heat.
Gas fireplaces come in two configurations.
However because of that steady heat clearances around your firebox need to be double checked as they usually call for more space away from combustibles than a wood burning or gas vented fireplace.
This contrasts with a ventless gas fireplace which vents into your home.
Vented gas logs require a fully functional wood burning fireplace ventless or vent free gas logs can be installed in either a wood burning fireplace or a ventless fireplace that is rated for aftermarket ventless logs.
So your direct vent gas fireplace will take air in from the outside and then exhaust all the gases to the outside.