Most houses have enough air infiltration to handle the make up combustion air for a single vent free fireplace but mechanical ventilation is required for energy efficient houses regardless of whether there is a fireplace or gas cooktop.
Vent free vs vented gas fireplace inserts.
Vented vs ventless gas logs.
More flexible easy to install anywhere in the home.
A vent free or unvented fireplace may be the cheapest way to go but for some people that smell or that extra moisture that it puts into the house may be a turnoff says eric jeffcoat owner of the highly rated high country fireplaces in statesville.
Can it be done with out replacing the existing logs.
Now for vent free gas inserts we will compare these to the direct vent option.
Vented gas fireplaces.
The safety of a vent free gas fireplace depends on the entire health of the house.
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.
How much expense is involved in venting a fire place that now has vent free logs.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
If you re looking for an affordable heat source then a ventless gas fireplace may be your best bet.
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 is so that it can both take in air from the outside and then vent out the by products from the flames inside the fire box.
Vented gas fireplaces are not as flexible as ventless gas fireplaces in order to install a vented gas fireplace you must use a chimney or an exterior wall.
Here are the top advantages of the ventless or vent free gas fireplaces inserts.
The large fireplace also has a blower in it.
Ventless gas fireplaces also known as vent free fireplaces are an efficient and economical way to add more heat to your home without the costs associated with a typical fireplace installation.
Vent free gas insert advantages.
With vented fireplaces the flames can run through around and over the logs creating a more chaotic and realistic appearance.