Vent free fireplaces use no vents and in certain existing homes they re the only gas option if new ducting can t be supported by the home s infrastructure.
Difference between vent free and vented gas logs.
Each type of fireplace requires its own type of gas logs to function safely and correctly.
Vent free gas logs burn less fuel than vented gas logs and are 99 9 efficient.
Direct vent fireplaces require a venting system while ventless fireplaces are just that completely vent free.
Ventless vent free gas logs burn cleanly with a lower flame that does not smoke.
The way ventless logs are arranged also affects the appearance of the fire.
Maintain indoor air quality direct vent gas fireplaces.
They must be burned in a wood burning fireplace with the damper open so smoke goes up the flue along with most of the heat.
The reason for this is that they do not burn the gas cleanly and create exhaust that is very similar.
Vented gas logs require a fully functional wood burning fireplace and must be burned with the damper.
Vented and ventless gas logs are a little different.
For ventless gas fireplaces to reduce the risk of emissions being transmitted into your home the burn temperature needs to be higher.
Vent free models are less expensive than vented fireplaces since there are fewer parts to install.
Some of the benefits of vent free fireplaces include.
More realistic looking flame.
What s the difference between vented and ventless.
Vented gas log sets are also less efficient since some of the heat that s produced escapes through the chimney.
Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue.
They put out a constant rate of heat.
The flame is much more attractive than it was 20 years ago.
Vented gas logs are designed to produce a beautiful roaring fire but it comes at a cost of fuel.
Vented gas fireplaces generally have a more realistic looking flame.
The two main types of gas fireplaces available today are direct vent and ventless.
Yes ventless gas logs heat more effectively than vented logs because there s no chimney flue for the heat to escape through.
Innovations in technology are changing that.
Vented fire log sets burn about twice as much fuel as a vent free log set about 80 000 to 90 000 btus hour.
Ventless gas logs can achieve a realistic looking fire but the flames often appear blue and may not be as large or as authentic as a vented log set can produce.
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.
They have to be stacked around the gas outlets to prevent flames from coming into direct contact with the logs.
Here s what you need to know to help you decide which type is right for you.