How do I know if my gas logs are vented or unvented? Follow the gas line from beneath the logs to where it disappears in the wall or floor. If the gas is merely contained by a simple gas line, then the logs are vent free.
Full Answer
How to tell if a log is vent free?
Follow the gas line from beneath the logs to where it disappears in the wall or floor. If the gas is merely contained by a simple gas line, then the logs are vent free. If there is a small cylinder attached to the gas line, then the logs are vent-free. This is called the Oxygen Depletion Sensor and is located just outside the range of the fire. It measures the oxygen in the area. Federal law mandates that all vent-free logs be equipped with an Oxygen Depletion Sensor. When the oxygen level drops, the sensor turns off the gas and stops the fire.
What type of logs are used in a gas fireplace?
Gas fireplaces use realistic-looking concrete logs to simulate a wood fire.
Can vent free logs be shifted?
Vent-free logs are designed to be more realistic, but since they must be attached to the gas burner, they are stationary and cannot be shifted.
Do gas logs need to be vented?
If the flames reach above the gas logs and the look like a wood burning fireplace, then the logs must be vented. If the flames are small, an have a blue cast, the fireplace is vent-free. Advertisement. references.
Which is better, ventless or vented gas logs?
So, are vented or ventless gas logs better? 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.
What is ventless gas log?
Ventless Log Sets. If you’re looking to add a supplemental, efficient heat source to your home, you may want to go with a vent-free gas log set. Unlike vented, these logs do not require a chimney or flue to operate, allowing more heat to stay in your home. The increased amount of heat means vent-free gas logs are much more efficient ...
Why are ventless logs less efficient than vent free?
Because they require a chimney or flue to operate, some of the generated heat will inevitably escape from your home. This, along with their high fuel consumption, makes vented logs less efficient than their vent-free counterparts, but more efficient than traditional wood-burning fireplaces.
What is the appeal of gas logs?
A huge appeal of vented gas logs is their appearance. They offer more of a realistic looking flame than ventless, making them all the more attractive for those who may be reluctant to part with their wood-burning fireplace. You can purchase them in practically any wooden finish to complement your home’s unique style. From traditional oak to stylish birch, the possibilities are virtually endless.
What are the two types of gas logs?
If you’re in the market for a new gas fireplace, you’ve probably noticed that there are two types of gas logs from which to choose: vented and vent free. While they may look alike on the surface, there’s actually a big difference between them. Knowing in advance which you need for your fireplace will save ...
What is a gas fireplace?
A gas fireplace produces flames powered by natural gas or propane and works as a supplemental way to heat a space and as a decorative feature in the room. These systems make a great alternative to a traditional wood-burning fireplace. While real wood fires are valued for their cozy allure and nostalgic fragrance, ...
Do vented logs keep a room warm?
Vented log sets will help keep a room warm, but they typically aren’t used as the only heat source. This also depends on the size of the room. The logs will certainly help heat a smaller space, but for larger areas it could take a while for the fireplace to warm things up, especially due to the loss of heat through the chimney
Why are gas logs more realistic?
However, vented gas log sets look more realistic because the flames burn higher and the logs can be stacked more like real firewood, allowing the flames to curl around the logs.
How wide is a log set?
Rear width needs to be at least as wide as the log set. For example: If the log set is 24 inches wide, the rear width of your firebox also needs to be 24 inches wide. Depth should be 12-14 inches. If you are measuring for a see-thru gas log set, the depth needs to be 16-18 inches.
What kind of heat return are you looking to get?
Are you looking for something that’s going to give off a heat ratio similar to a “space heater” or do you simply want the ambiance of a fire?
How to calculate BTUs for a room?
Multiply the room’s length, width, and height to get the cubic feet of the room. Then multiply by 20 and the result is the maximum BTUs allowed for that room. For example, if a room is 1,400 cubic feet, then it can’t have a ventless logs set radiating more than 28,000 BTUs. The firebox clearances for ventless gas logs can vary and are included with the product info and specifications most of the time.
How many measurements are needed to measure a firebox?
It's important that the measurements be as accurate as possible, with no obstructions in the way to obscure them. There’s a total of four measurements that need to be taken: the front width of the firebox opening, the rear width, depth, and height.
What is the opening width of a log set?
For example A 24-inch log set needs an opening width of at least 28 inches.
Can you convert a wood burning fireplace to gas?
Whether you’re looking to convert your wood-burning fireplace over to gas, or simply want to replace your existing gas log set, it’s important to get the right size that will have the correct clearances for your fireplace.
What is the Difference Between Vented and Ventless Fireplaces?
There are a few key differences between vented fireplaces and ventless fireplaces. The first difference has to do with functionality, the second has to do with aesthetics, and the third has to do with preference:
Are Ventless Fireplaces Safe?
Before you consider whether or not ventless fireplaces are safe, it is important to note that all gas fireplaces could potentially leak carbon monoxide into your home. Blocked chimneys, cracked glass panes, old parts or leaking gas lines can all be responsible for gas leaks from vented gas fireplaces.
Vented Vs. Ventless Fireplaces: Pros and Cons
To make the two types of gas fireplaces a little easier to compare, below is a table with some pertinent facts set side by side. Here is a quick look at a vented vs. ventless fireplace stand up against each other. You may be surprised at the benefits and drawbacks of each:
Which is Better–Direct Vent or Ventless Gas Fireplaces?
As with so many things, when answering which item is better than the other, you have to know as much about what you want as about the differences between the two items. As much is true of vented versus ventless gas fireplaces. The big question to answer is if you are comfortable with ventless.
How to Know if Your Fireplace is Vented or Ventless
You should be told at the time of purchase whether your fireplace is vented or ventless. Because ventless fireplaces are banned in some areas, the distinction should be made very clear. But maybe you have bought a home that has a gas fireplace and you do not really know for sure whether it is vented or ventless.
Can a Ventless Gas Fireplace be Converted to Vented?
If you have a ventless gas fireplace and you either regret buying it or you regret that it was in the home that you bought, you may be wondering if you can convert it to a vented fireplace. It sounds like a reasonable enough idea. It’s a fireplace, just cut a hole in the top, attach a pipe, and stick it through the roof, right?
Conclusion
If the decision is yours to make, then both vented and ventless gas fireplaces are viable options for your home. Keep the controversies surrounding the ventless fireplaces in context. They are best used when used wisely and within the precautions that the manufacturers suggest. Do so and they may be a good source of heat for your home.