Does flue need to be open for gas fireplace?
Our research shows that the flue on a gas fireplace should remain open during use or when the pilot light is lit. If the flue is closed in either instance, you risk a greater chance of carbon monoxide poisoning or a spark induced structure fire due to a buildup of toxins emitted by propane or natural gas burners.
Do gas fireplaces have a chimney flue?
A gas fireplace needs a venting system to work properly. This is called the “flue” or ventilation chimney, and it’s usually installed when you install your new gas fireplace.
What is the difference between direct vent and B vent gas fireplaces?
What is the difference between a Direct Vent and a B-Vent gas hearth product? A B-vent must be vented vertically and uses fresh air from inside the home to provide oxygen to the fire. A direct vent has a sealed glass front and pulls all of its fresh air from outside the home.
How far can you horizontally vent a gas fireplace?
| Minimum Clearance Distance Requirements for the Exterior Vent Termination of a Gas Fireplace Heater8 | |
|---|---|
| Direct vent gas fireplace exhaust termination item clearance distance | Distance required (Canada)1 |
| Clearance to a mechanical air supply inlet 3′ (91cm) above if within 10′ (3m) horizontally | 72″ (1.8m) |
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.
Does a gas fireplace need a chimney liner?
Whether you go from gas to wood burning or vice versa, you must install a new chimney liner appropriate for that type of fuel and use. The same rule applies to heating and hot water equipment because different materials are more suited for different types of fuel.
How much does it cost to install a damper?
A chimney cap damper costs around $200 to $300, not including the screened chimney cap, which runs between $90 and $120. Professional installation of a new damper will likely run around $200 to $400 for labor, in addition to the cost of the new damper itself.