
What happens if you don't vent a gas fireplace?
Without proper ventilation and safety systems in place there can be serious health risks associated with burning gas in a ventless fireplace. Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses.
Which is better vented or non vented gas fireplace?
Ventless fireplaces are more energy efficient than vented fireplaces because no heat escapes up the flue, so you'll save money on gas utility bills. A vented gas fireplace uses more gas to create the same level of warmth because some of its heat escapes through the flue.
What venting is required for a gas fireplace?
In a direct vent gas appliance, fresh air is drawn from the outdoors into the hearth unit, and expelled air is sent outside via a flue system that terminates outside. Most direct vent gas fireplaces are vented to the outdoors horizontally (through the wall), but they can also be routed vertically (through the roof).
How do I know if my gas logs need to be vented?
0:144:14Gas Logs: Vented or Vent-Free? How To Tell The Difference, and Decide ...YouTubeStart of suggested clipEnd of suggested clipAnd you'll see them pretty much anywhere and everywhere you go the easiest way to tell theMoreAnd you'll see them pretty much anywhere and everywhere you go the easiest way to tell the difference between a vintage set and a vent free set is the placement of the flames on the logs.
Do vented gas fireplaces need glass doors?
Because of the damper position requirement, the use of masonry fireplace glass doors is required with a vented gas log setup. Ventless gas logs are a little less strict when it comes to the type of fireplace that they can be used with.
How long can you run a vented gas fireplace?
two to three hoursEven if your gas fireplace is sealed and vented to release fumes into the outside, it's better to lean towards the safer side of things and only leave it running for two to three hours at a time.
How much does it cost to vent a gas fireplace?
Cost to Install a Gas Fireplace by Type of VentilationType of VentilationLabor FeesTotal PriceVentless$500 - $1,000$1,800 - $3,500Direct-Vent$700 - $5,000$2,100 - $10,000Mar 28, 2022
Do gas fireplaces emit carbon monoxide?
YES, GAS FIREPLACES ARE ONE POTENTIAL CAUSE OF CARBON MONOXIDE POISONING. While there are many potential sources of such exposure, including certain appliances and devices, motor vehicles and wood stoves, gas fireplaces are a common culprit to be aware of.
How much heat do you lose with vented gas logs?
A direct vent gas fireplace would typically have an efficiency of around 70%, which would be similar to our forms of wood burning stove. A ventless gas fireplace can provide a similar efficiency rating as an electric fireplace of up to 100%.
Do all gas fireplaces have a flue?
Do Gas Fireplaces Need A Flue? Natural vent gas fireplaces may not have a flue but will use the existing chimney flue to vent waste air from a home. Direct vent gas fireplaces will need a flue that vents air directly out of a home, and ventless gas fireplaces won't need any form of flue.
How do you vent a gas fireplace without a chimney?
You can install a gas fireplace without a chimney if you have either a ventless gas fireplace or you install a venting system. For gas fireplaces that need a vent, a direct vent system is widely suggested. Direct vents can be installed either vertically through the roof, or horizontally through the wall.
What's the difference between vented and vent free gas logs?
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. Each type of fireplace requires its own type of gas logs to function safely and correctly.
What is the best type of gas fireplace?
Vent-free or ventless gas fireplaces are a great choice if you are looking for the highest heating efficiency possible. Since they are not vented to the outside, all the heat produced is realized in the living space making them a superb supplemental heat source.
Do I need vented or unvented gas logs?
It all depends on your needs, but vented sets have a more realistic flame and can be used in an existing real wood fireplace, while ventless logs are more efficient. A gas fireplace makes a great alternative for homeowners looking for a supplemental heat source that also provides a beautiful ambience.
Is direct vent or ventless better?
In general, vented fireplaces are better in terms of safety and function. However, most of the heat is lost through chimneys, so consider using a direct vent. Ventless fireplaces are still a great option and are safe when used properly.
Do Vented gas logs give off heat?
Vented-heater gas logs give you both a realistic-looking flame, but they can also provide 8,000 to 14,000 BTUs of radiant heat to your home.