Ventless fireplaces produce small amounts of nitrous dioxide and carbon monoxide which can be deadly in large doses. Last Updated on December 1, 2019. There are also electric options. Vented gas logs are safer than ventless logs because they use a type of venting or exhaust system to expel harmful gas from your home. This piece of technology shuts off the gas if the temperature gets too hot or if there is too much carbon monoxide. Many homeowners end up asking chimney sweeps to take out their vent-free gas logs due to problems they find associated with the appliance. Many units come with a remote control so it’s easy to turn on/off to avoid running the system for too long. Some factors to consider with respect to safety and vent-free gas burners: These are some vital questions you should have in the back of your mind throughout the shopping, install, and eventual use of any gas appliance, but especially your vent-free fireplace. I have a somewhat small fireplace in a 1920s house in New England. What is the hazard of carbon dioxide? These health hazards can span from minor things like headaches to even death in worst case scenarios. If the vapor emissions persist, mold and mildew can begin to fester, which down the road could compromise the wood joists and framework that provide structural integrity to your home. The ventless gas log system comes equipped with an oxygen depletion system known as a Oxygen Depletion Safety Pilot (ODS). By contrast, vented gas fireplaces create a dangerously high amount of combustion exhaust and therefore must be vented to the outdoors. With respect to the latter argument, part of the reason why gas stoves are not harmful is that they are rarely opened all the way for more than one burner at a time. This is why detectors are so important, and even more so if you decide to install a ventless fireplace unit. Gas log sets are garbage. Because these fireboxes are used as a supplemental heat source and not the primary, it’s typically not too expensive to run a gas fireplace. Negative Features of Ventless Gas Logs: Do's and Dont's for Ventless Gas Logs (Additional information you should read before buying Ventless Gas Logs) The main byproducts of burning gas cleanly are Carbon Dioxide and Water Vapor. TL;DR: is a ventless gas fireplace safe for occasional use? Ventless gas fireplaces are very safe and secure. Vented gas logs rely on an exhaust or venting system to operate, while ventless gas logs function without any sort of venting system. Vent-free gas fireplaces are not currently approved for use in Canada. It may make sense for one person to go with a vented system and another with a ventless system. When looking for fireplace solutions outside of a standard wood burning fireplace, homeowners are afforded the luxury of options. Ventless Gas Logs Advantages. Finally, you can go old school, and opt for a wood burning insert. Ventless gas fireplaces are deemed to operate within the range of safety for cycling these combusted gases back into the home's interior. Look no further than your gas stove top. Top Aren't there limited sizes and shapes for vent-free products? Vented gas logs are less efficient than vent-free because much of the heat escapes through the exhaust to the outside. All, however, have some pros and cons that are important to consider. It heats our whole house (we live in Portland, OR) and it doesn’t cost as much as the regular, furnace heater. Carbon monoxide is by far the most widely known of the dangerous gasses. Yes, ventless gas logs heat more effectively than vented logs, because there’s no chimney flue for the heat to escape through. While there is very little production of carbon monoxide when a vent-free fireplace is used, they is still a small quantity to be considered. Some municipalities have restrictions on ventless gas fireplaces, so be sure to familiarize yourself with the law in your city or state. Each type of fireplace requires its own type of … The major downside to woodburning is the maintenance associated with foraging for wood each year and allowing time for it to season for dry wood that quickly and cleanly ignites. They offer you a way to enjoy the beauty and warmth of a fire without the hassle of dealing with real wood logs. Top Can ceiling fans be installed in rooms with vent-free fireplaces? There have been some questions raised recently about the effects vent free gas logs may have on the indoor air quality of a home when the logs are burned for prolonged periods. How difficult is it to convert a ventless fireplace to a vented one after an installation? We had ventless gas logs installed into our fireplace and sat back waiting for cold winter days and nights. Here’s how to keep your family safe when using these systems. Your email address will not be published. So much of what can go wrong has to do with one of the above factors. A closed flue damper will keep hazardous gas inside your home. While water vapor may not be a direct hazard to human beings like carbon monoxide is, when a copious amount of damp, warm air begins to fill the home, some serious damage can be caused. Local jurisdictions like New York City and some others in the U.S. have prohibited them because of population density. Top Can vent-free products be used as a home's sole heating source? … Ventless Gas Fireplaces: How Safe are They Really? What is a "vent-free" gas heating product? Without proper ventilation and safety systems in place there can be serious health risks associated with burning gas in a ventless fireplace. Install additional detectors throughout the house including one in the same room as the fireplace. So do we!) Your email address will not be published. Well, for some, the answer to those questions are they can’t and they shouldn’t. Ventless ones heat but are bad for the house and people's health. In particular, if your planned space already has excessive moisture, a vent free appliance will cause problems. This large log set is perfect for people with a spacious 34″ or wider fireplace. Mickey is the resident heating and air conditioning expert. This type of perspective is important to consider as you shop for ventless fireplace units. The fact of the matter is that vent-free, gas burning fireplaces and other other appliances definitely DO emit elemental gasses into the home, including carbon dioxide (Not a huge deal. There’s really no wrong answer — it just depends on your priorities and space available. and some more harmful gas fuel by products like carbon monoxideand sulfur dioxide. So do we!) If you settle on a vented system, you may want to invest in some quality glass fireplace doors for added heat retention. CO 2 is not toxic. A traditional vented gas fireplace (view example on Amazon), fueled by either natural gas or propane, has two vents that run to the exterior of the house. Always use caution and common sense when you decide to cozy up with your ventless gas fireplace. Most manufactured fireboxes cannot be converted. The variable flame height remote that’s included gives you full control over your fireplace. Certainly something is emitted into the home as gas burns up, even if it isn’t smoke from wood fuel, right? Katie: No, ventless gas appliances are still a bad idea. To make sure your vented gas logs are working the way they should, it’s essential to keep your chimney or flue damper open while the vented gas fireplace is in use. Is the unit the correct size for your fireplace opening? Ventless gas logs burn very clean which is called complete combustion meaning air to natural gas ratio is perfect meaning little to no CO unlike vented gas logs which burn what is called incomplete combustion meaning high levels of CO and also burn as much gas as the furnace in a home. If there is a problem with clean, breathable air all vent free gas log fireplaces are also equipped with an oxygen depletion sensor. However, because of that steady heat, clearances around your firebox need to be double-checked as they usually call for more space away from combustibles than a wood-burning or gas vented fireplace. A chimney expert has recommended that we not burn wood due to the poor design of the chimney interior (he thinks we'll get significant smoke back in the house). The two types of gas fireplaces function differently. This gives many homeowners peace of mind when deciding how to help heat their homes — and as a bonus, there’s no need to worry about chopping wood or cleaning soot! Everwarm is the most popular budget option. vented system and another with a ventless system, White Mountain Hearth LS30P-VFSV30N 30″ Ponderosa Log Set with Variable Flame Burner – NG, White Mountain Hearth LS24RS-VFSR24N 24″ Sassafras Log Set and Burner with Millivolt Valve – NG, Everwarm EWPO18R-EWPO2430NV 18″ Palmetto Oak Log Set with Millivolt Burner – NG, RH Peterson Real-Fyre 18″ American Oak Log Set and ANSI Certified Triple T Burner – LP, RH Peterson Real-Fyre 18″ Rustic Oak Log Set and Glowing Ember Burner – NG, RH Peterson Real-Fyre 24″ Rustic Oak Log Set and Triple T Burner – NG, our customer support team is happy to assist. It's a good idea to install one or more carbon monoxide detectors in your home, no matter what type of fuel-burning appliance you have. 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? Replace the batteries twice a year — a good time to check is during the beginning and end of Daylight Savings Time. Top How is a vent-free appliance different than vented products? Since the logs are powered by natural gas or propane, your gas bill may rise a bit, but sometimes homeowners turn their primary heat source down to offset the costs. Read below to find out everything you need to know about the different styles of gas logs, what they’re made of, how to control them, and how to measure your firebox! Keep flammable objects at least three feet away from the fireplace. The industry likes the term 'vent-free' when talking about gas fireplaces that keep all the exhaust gases in your home. This set includes elegant American Oak logs paired with an advanced G46 burner plus a remote. Furnaces and water heaters must have the exhaust vented outside, gas stoves have to have vented range hoods above them - but for some dumb reason in some states ventless is allowed. Unfortunately, the ODS does not respond to incomplete combustion caused by improper gas pressure; dust, dirt, or rust on the burner; incorrect placement of artificial logs in a gas fireplace; or disruption of the burner by air currents. Thus, your modest desire for a little warmth and ambiance becomes a much bigger job. Make sure it’s securely propped open to allow for adequate exhaust. Not a huge deal, but the ventless gas industry wants you to feel that you're being liberated of a burden by not having an exhaust vent. The fact of the matter is that vent-free, gas burning fireplaces and other other appliances definitely DO emit elemental gasses into the home, including carbon dioxide (Not a huge deal. They put out a constant rate of heat. This way, if yours does begin to emit carbon monoxide you will know right away and can remedy the situation before it has spread too far throughout the home. Required fields are marked *. Vent-free logs do not need a chimney, but provide a smaller flame. We carry both vented and vent-free logs in assorted finishes to help you achieve that cozy look you’ve always wanted. First of all, let's call it what it really is. So do we!) Benefits of a Ventless Gas Fireplace. With your heart dead set on some sort of gas insert, your best bet is a vented unit. Should we open a window in the base-ment? Consequently, gas can build up in the room much more easily than with vented log systems; however, all ventless fireplaces come with oxygen depletion sensors (ODS) that will shut off the unit should oxygen reach an unsafe level. How do you know if the unit is not working properly or has failed? If your home runs on oil, then it will be difficult for you to secure a gas powered fireplace without bringing in external fuel. Copyright ©2021 Total Home Supply. Other providers and organizations contend ventless fireplaces are unsafe or otherwise undesirable. Vented logs lose more heat through the vent or chimney, while ventless are the more efficient option. When ventless gas log fireplaces are installed minimal square footage requirements ensure the gas flow limit and log stack design keep the gas fireplace safe with minimal or no ventilation. To avoid this, many homeowners toy with the idea of ventless fireplaces. When installed, ran, and maintained properly, gas logs and gas fireplaces are safe to use. This limits the amount of gas emissions tremendously. With a properly sized unit that only runs occasionally or a few hours at a time, there will likely be no problems. But, proper use are care should remove the risk. The other issue with any of the above inserts or stoves is that in each case, additional ventilation must be installed along with the unit itself. Vented gas logs are for show, not for heating. and some more harmful gas fuel by products like carbon monoxide and sulfur dioxide. A Ventless fireplace, when used correctly, can make for an excellent heat source in a space like a sunroom or an addition that doesn’t have access to central heat. While there’s something magical about the crackle of a wood-burning fire, some may find that it’s not worth the effort and maintenance. You’ll also want to avoid operating these fireplaces for extended periods of time in general. Thanks! This type of fire requires a chimney for safety. Gas log sets offer many benefits to the homeowner who still wants that cozy glow of a fireplace. I don’t know how old yours is, it will probably be good to find out. A quick skim is likely all you will need to settle your anxieties. Here are the top advantages of the ventless or vent-free gas log sets: Chimney Not Required; Unlike vented gas logs, ventless gas logs … But, vent-free doesn't mean planning-free or service-free. A ventless gas logs system is just like a gas stove. Millivolt is the industry standard for control allowing you to pair this set with many different remotes and wall switches. But the idea of a fire without smoke and a fireplace without ventilation tends to give people pause. Top What are the benefits of vent-free heating products? If you plan to use a ventless fireplace to save money, make sure you consider the safety concerns. The same is true of propane. To make sure your vented gas logs are working the way they should, it’s essential to keep your chimney or flue damper open while the vented gas fireplace is in use. Are Ventless Gas Logs Safe? Top What are some of the technological advances of today's vent-free appliances? To find the log set that fits yours needs, take a look at our collection of gas logs. We have helped countless customers shop for high-quality items -- from air conditioners, to heating units, to water heaters, and more -- and have set up this blog as an extension of our commitment to helping homeowners become informed of the things that matter to them. Are Ventless Gas Fireplaces Safe? Read the information below carefully because that is a loaded question and the internet is overflowing with misinformation. Vented gas logs produce carbon monoxide emissions so your fireplace must have a chimney or flue. The fact of the matter is that vent-free, gas burning fireplaces and other other appliances definitely DO emit elemental gasses into the home, including carbon dioxide (Not a huge deal. Vented logs create a large, realistic fire with dancing flames. Other Developments In addition to … Still nervous or unsure? Again, it’s important not to operate for extended periods of time without opening a window, as doing so can cause carbon monoxide to build up in the room. On the flipside, ventless gas logs are much more efficient, since most of the heat stays put inside your home. In theory, a gas fireplace without a vent should be safe because of how propane gas burns (and there are no worrisome flames and extreme heat around your kids and pets). Get all of the convenience and style of a high end log set for half the price. Keep children and pets away from the heat source. We have a ventless gas heater and we love it. It looks like a fireplace and has a blower in it. Part of this notoriety stems from the fact that it is scentless and colorless. Make sure you have a working pilot light and gas valve system. Some service providers say unvented fireplaces burn more efficiently than their vented gas-powered counterparts and cost less to install. A large version of the Rustic Oak logs, this package also includes the G45 burner system and a variable flame remote for ultimate control. 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? 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. Neither of these points of view captures the complexity of gas emissions via vent free appliances. ( CO detectors ) in your City or state gas heater and we love it from minor things like to. Avoid this, ventless gas logs and gas fireplaces emit dangerous and noxious gasses into the fireplace the! Feel completely safe operating a ventless system, Total home Supply has been a trusted distributor of indoor and home! Efficient option sat back waiting for cold winter days and nights service providers say unvented fireplaces more! 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