The Importance of Annual Inspections . There is no such thing as a ventless fireplace. If the gas is merely contained by a simple gas line, then the logs are vent free. Can ventless natural gas logs be converted to vented gas logs? Manual valves are not used with ventless gas logs ; Potentially hazardous as a child can possibly open the valve, releasing raw gas into the home; Manual Safety Pilot Valve. The industry likes the term 'vent-free' when talking about gas fireplaces that keep all the exhaust gases in your home. If the gas is merely contained by a simple gas line, then the logs are vent free. So, I came to your website, spent the last 90 minutes reading EVERY one of your replies to all of these posts, and have become not only more educated on this topic but have developed an admiration for your knowledge & straightforwardness. Installation of the gas logs will vary by brand and model, so be sure to reference your installation manual for specific directions. Ventless (vent-free) gas logs burn cleanly with a lower flame that does not smoke. The other vent safely removes any exhaust gases created by burning the natural gas or LP to the outdoors. The flame pattern with ventless logs is not nearly as realistic in comparison to vented logs. By contrast, a ventless fireplace costs between $1,000 and $5,000. As far as converting burners, NO. The damper on the fireplace should have a small clamp attached to it. Moving on to ventless gas fireplaces, we will compare these to their vented counterparts. YOU SHOULD NEVER SEE SOOT on a ventless gas log set or ventless gas heater or elsewhere in your home. These sensors detect the oxygen levels within the room, and will shut off the gas supply to the logs once it sees that the oxygen level drops to a particular percentage. If there is no indicator of manufacturer or model on the burner unit, about all you can do is call a professional to come and look at it or take some digital photos of it to a fireplace retailer and get their input. Can ventless gas fireplace logs be returned? To solve these issues, a ventless gas fireplace might be the solution. Vented and Ventless Gas Logs are a little different. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. A vented gas fireplace costs between $3,500 and $8,000 to purchase and have installed, depending on the amount of carpentry required to run the ductwork. Ventless gas logs will produce more heat, while vented gas logs will look much more realistic. On the surface, a ventless gas fireplace looks quite similar to a vented fireplace. Only burn the gas logs for a few hours at a time. They recommended using a “Chimney Pillow” as a possible solution. Independent research has proven that for 99 percent of homes in the U.S., the water vapor generated by vent-free gas heating products is below the … This is called the Oxygen Depletion Sensor and is located just outside the range of the fire. Need help? I lose a lot of heat the way it is set now Flue is set to wide open. When using gas logs you should still open the damper about 1/2way. If you’re serious about switching to a vented gas fireplace from a ventless model, the best solution is to buy a new vented unit from the store. Thank you in advance for your time & consideration! If you notice the smell of gas, but cannot identify the source, leave your home immediately and contact your local gas company for further assistance. I’ve looked on the metal tags but don’t see any indication of which it is. There are a few simple considerations to take into account: Choose Gas Logs that Fit your Fuel Needs. Broken logs or chipped logs must be replaced when damaged. The easiest would be to look at the burner and find the manufacturer tag on it with a serial Number and model #. However, all the log sets they sell can come configured as either propane or natural gas, and my research indicates that all I have to do to convert it is to replace the regulator and the orifices with ones designed for natural gas. It is usually by the knob that controls the flame height. Ventless gas fireplaces have a feature called an oxygen detection system (ODS), which automatically turns off the unit if oxygen levels in the room fall below a certain level. These absorb high amounts of heat without being damaged. We have ventless logs of all shapes and arrangements. And non-vented burning of natural gas or propane also produces water vapor as a byproduct, which can increase humidity levels and the risk of mold. When ignited, the flames run through gaps in artificial ceramic fiber logs, giving the illusion of a real wood-burning fireplace. I’ve looked on the metal tags but don’t see any indication of which it is. 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. The fireplaces may also have built-in CO (carbon monoxide) detectors that also automatically shut off the fireplace if high levels are detected. Fake gas fireplace logs are made of ceramic or a similar material. If you can even find a model # you can google that number and see what comes up. Measuring for VENTLESS Gas Log Sets. To install gas logs, a gas fireplace system must be set up by a qualified gas equipment professional. Burn vented gas logs with the damper open. If you think the odor could possibly be coming from an airborne odor eliminate what you think is causing the odor and let the air settle for a hour or so and try burning the log set again. Can't tell if the gas log set is ventless or not....help? There are many products that will cause the appliance to smell and below are just a few. When ignited, the flames run through gaps in artificial ceramic fiber logs, giving the illusion of a real wood-burning fireplace. Any HVAC expert would tell you it’s not worthwhile. In many states, there are restrictions on where the home you can install a ventless fireplace—they may not be allowed in sleeping areas, for example. Because there is no airflow to the outdoors, they do not create the negative pressure problems that can occur with a vented fireplace. Direct-vent gas fireplaces require two vents in the back: one that expels gases and another that draws in fresh air from the outside. Only BLUE flames should ever touch a log. A special regulator creates a fine mixture of gas and air that burns extremely cleanly, and the units are carefully tested in approved laboratories before they can be sold. How do you tell the difference between vented and vent free gas logs? And it is not a good choice if anyone in your home suffers from breathing problems, such as asthma or COPD. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. How to Choose Gas Logs. Make sure its specifications meet safety standards, and that the unit is approved for installation by your building code authorities. Most vent less (or vent free) gas log fireplaces do not have chimneys or flues in the first place. Roughly a third of states allow these units with no restrictions. Ventless gas logs are more efficient. Ventless (vent-free) gas logs burn cleanly with a lower flame that does not smoke. Broken logs result in these fibers being burned through the gas log burner. Ventless gas fireplaces, in particular, are popular because they're clean and easy to use. Similar to gas inserts and gas logs, gas fireplaces come in vented and vent-free models. Easier to install than vented wood or gas fireplaces and capable of warming small rooms, gas fireplaces that have no vents passing to the exterior are becoming more popular for remodeling work and even in new-construction homes. If you have a vented fireplace with ceramic logs, that’s well-maintained, your log set can last a very long time, maybe even ten years or more. and some more harmful gas fuel by products like carbon monoxideand sulfur dioxide. Non-vented f/pl's have oxygen sensors on them. Install the gas logs. With any fireplace installation, a major issue is venting the exhaust gases, whether it is simple smoke from a wood-burning fireplace, or the exhaust fumes produced when you burn gas. Some gas logs may release an odor and possibly some smoke during their initial burn. Pellet Stove Comparison Guide, How to Install a Dryer Vent in a Tight Space, How to Test for Carbon Monoxide in Your Home, Venting a Hot Water Heater: What You Should Know, How to Check a Pilot Light on a Gas Furnace. It's really more about the f/pl itself, not the logs. Troubleshooting an Electronic Ignition Furnace That Won't Light, 5 Common Problems With High-Efficiency Furnaces, Wood Heat vs. If you don't have natural gas service, check with your local natural gas company before purchasing a log set. Ventless logs disperse almost all of the heat into the room and use slightly less energy than vented logs. The two types of gas fireplaces function differently. As with vented fireplace, ventless units usually have blowers that circulate air around the firebox to heat the room. A: Hi MW, I’m sorry it took so long to respond to your post. Dust, pet dander, hair, and fumes from home cleaning supplies all negatively affect a precision machine like ventless gas logs. I have a VERY cold fireplace & a relatively new chimney cap (installed as a condition of sale 3 yrs ago). You must have JavaScript enabled to fill out this form. But how then, if it is known that these ventless units contribute to the dagners outlines above, can they be considered safe for homes or even sold in stores? Typical household air isn’t that clean. There is no simple way to identify a vented gas log from a non-vent if it is not marked, even professionals have a hard time indentifying one from another. If you have a natural gas water heater, oven, clothes dryer or other gas appliance, you're already set up for a gas log set. Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue. Vent-free gas log will not produce an odor unless the air it takes in has an odor. yes it can, open damper in fireplace for drafting while gas logs are being used. If your logs are light weight like styrofoam, they are made of ceramic fibers. Cons: Ventless gas logs do not look as good as vented gas logs. If you are not comfortable getting your fireplace fitted and installed for a Chimney Balloon I would look in the phone book for an energy rater to do a house call to measure and install one. Two other subcategories are gas inserts and traditional gas fireplaces. Gas logs / how open does flue need to be opened. Get daily tips and tricks for making your best home. 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. Vented gas fireplaces exhaust the air through an exterior opening in your wall. Benefits of a Ventless Gas Fireplace. While gas logs typically function properly for years, like all gas appliances they can develop leaks. One is a fresh-air intake that provides combustion air help the gas burn more efficiently. 608-467-0229      Free Shipping     Contact Us     Shop Now. “It’s similar to … Shop All Gas Log Sets . It should be indicated there. If you’re tired of lugging in heavy pieces of wood for your current fireplace only to have them smoke instead of actually burn, and tired of having to tend the fire and then spending money to resupply your dwindling wood supply, then it might be time for you to consider looking into ventless gas fireplaces. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. Jason. There are 'Off', 'Pilot', and 'On' positions. Well- you can't. And you can its about the perspective of the asking party. Ventless gas logs are extremely efficient and safe if used properly. Also known as unvented or vent-free fireplaces, a ventless gas fireplace operates with natural gas or liquid propane (LP) that flows into a gas burner mounted in the fireplace. How do you tell the difference between vented and vent free gas logs? Ventless and vented burners and logs are different in design. Purchase a unit with a thermostat so it will not over heat and do not use a high BTU unit in a small room with the doors closed. Ventless Fireplaces Vent How? 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. However, most gas logs these days are ceramic, and they tend to last a big longer as they are extremely durable and resistant to extremely hot temperatures. Here are the top advantages of the ventless, or vent-free, gas fireplaces: Heating Efficiency. Vented gas logs burn like a real wood fire with a yellow flame that produces smoke. However, most gas logs these days are ceramic, and they tend to last a big longer as they are extremely durable and resistant to extremely hot temperatures. Most energy raters and insulation contractors and some chimney sweeps are familiar with Chimney Balloons and can install one for just the cost of a 1 hr house call. In a traditional vented gas fireplace, there are two vents that run to the outside of the home. These logs are ceramic and painted to look like burning wood logs. Jason. Low oxygen levels can be a concern with well-insulated homes that have a slow exchange of indoor and outdoor air. Vented gas logs are more realistic, but ventless are the way to go if you’re looking for efficiency. To see if you have a vented or non-vented gas log I would look first on the manufacturer plate on the gas log burner itself. How to Clean a Ventless Gas Log. Can I ajust the stop on handle to close it to @ 2 to 3 inches in the open position . It should be indicated there. Now that you've gone through the steps of making the really broad decisions in selecting your gas logs, it's time to get a little more specific.This is the point at which most gas log shoppers begin narrowing down the vast selections of ventless or vented gas logs based on things like fireplace size considerations, types of controls, pilot systems vs. manual gas valves, and others. It is usually by the knob that controls the flame height. There is no masonry or chimney built or used. Ventless is a different design. They don't require a chimney or venting, allowing all of the heat produced to circulate back into the room, rather than escaping up the chimney. Both require the same type of natural gas or propane connection, so there is no cost difference in terms of plumbing. There are limitations, though. Make sure you wear gloves while handling the logs, as they can cause skin irritation. 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