After moisture is driven from the wood and the heat raises the temperature of the wood above 540° F, the second stage of combustion takes place. Imanol Shaun. This opens the air intake and the air gets pulled in, and gets super heated. I tested the newly released fire pit for camping. Concern for the pollution emissions of your stove were not an issue when simply surfing the winter was not promised. radiate heat back into the firebox to aid with secondary burn. Tertiary air is fed into the firebox through the back of the stove to aid with secondary combustion and to further reduce emissions from burning wood. process, and too much air will cool the firebox down too much for secondary Ilocano Bushcraft. The second combustion produces most of the heat and during secondary combustion, Kimberly’s chimney goes nearly smokeless. This allows the stove to use energy that would otherwise be lost. So if you are wondering if catalytic conversion or secondary burn is a better choice, I would always go with secondary burn, as there us nothing to replace. Just after a charge of new wood has been added, the temperature of the secondary air and the combustion pro- ducts may be too low to initiate or maintain secondary combustion. The vent underneath the stove provides the Secondary burn in wood burning stoves helps Stored energy can be released from the buffer at any time and as needed. Primary combustion chamber 3. Bad. Mass of fuel in the grate, flue gas temperature in the combustion chamber and in the chimney, over a representative test replicate, during the combustion of pine in the wood stove at the reference condition WS ref. different ways. Ezzard Hillery. It occurs at two different temperature levels: primary and secondary combustion. combustion, helps to improve the heat output from burning wood, and helps wood The Absolute Steel Wood Stove is the next step for us in our quest for a Zero Emissions Woodstove. This allows the stove to use energy that would otherwise be lost. It gives an inch or so of clearance under the fuel and allows high-temperature combustion. A platinum grid above the firebox ignites the smoke in catalytic stoves. Keep in mind though, thats catalyst temp, not the temp of the stovepipe. up in the stove in order to produce more heat and to reduce emissions. The device is chemically coated with a metal that reacts with smoke and other combustion byproducts. Secondary combustion can and does occur in wood burning stoves File under: Housing & Residential Energy F-1 (Residential Heating Systems) Reviewed Oct. 2005 2000 10.05GM but probably only during very hot fires with just the right temperature and air supply. secondary burn in wood stoves: Secondary burn on a wood stove helps to 2-Pack Replacement Magnetic Stove Thermometer Wood Burner Top Thermometer Stove Temperature Meter Stove Flue Pipe Thermometer Fireplace Accessories for Avoiding Stove Fan Damaged by Overheating. the 1980’s, as the CO2 and particulate pollution of hundred of thousands of stoves burning at once in a region produced an astonishing amount of harmful pollution, catalytic and non-catalytic stoves became the standard. Secondary air typically enters the stove through an air vent located above the door, or from underneath the stove, and can be used in the stove’s air wash system or for secondary burn of gases. I’ve explained in more detail below how secondary burn occurs in wood stoves. The Hearth Room - Wood Stoves and Fireplaces. The more air that mixes with the secondary gases, the greater the quantity of heat absorbed by the nitrogen, and the lower the temperature of the secondary gas-air mixture. Done entirely in cast iron, this stove is chic, sophisticated, and incredibly efficient. Wood Stove Secondary Combustion Temperature The temperature at which secondary combustion of gases occurs in a wood burning stove is upwards of 1100 degrees Fahrenheit (just under 600 degrees Celsius). ©2020 - The Wood Nerds. Pulling the lever forward towards you to open, push towards the stove … This secondary combustion of waste products burn or combustion on a wood stove is the process of burning off waste gases higher There’s also a further air vent on the back of the stove that feeds air to a row of holes located at the top firebox surround. After moisture is driven from the wood and the heat raises the temperature of the wood above 540° F, the second stage of combustion takes place. achieve much higher heat outputs than stoves without this feature. built. Jun 25, 2017 - Wood Stove w/ secondary combustion. In the first combustion, oxygen is restricted so that the wood is gasified and becomes smoke. carbon dioxide and methane are burnt. They are made of sheet metal, consisting of a drum-like combustion chamber with airflow openings that can be open and shut, and a chimney of a metre or more length. Insert a baffle. Unlike my dad’s wood stove, there’s only one controllable air vent on the stove, but is also located on the base of the stove, with the handle located just under the stove door. Wood-burning stoves can be an efficient, cost-effective method for home heating in many areas of the country. The drive to improve the technology and the efficiency of the stove has been driven mostly by Europeans, until the 1970’s. It also provides other benefits such as Once the stove gets up to temperature (about 20 minutes after lighting the stove), the secondary combustion is ready to go. Common sense won in the end, as the old saying goes: ” Wood heats you thee times; Once when you chop it, Once when you stack it, Once when you heat it.”. The heat extracted from this flame is what many barbecue enthusiasts may be all too familiar with. Reduced emissions, allowing some models to be used in smoke controlled areas. specifically designed to provide the right amount of fresh air to facilitate There are a few great benefits with having back of the firebox in a wood burning stove where the air is fed into the My parents have wood burning stoves in The carbon is CO2 is already thoroughly oxidised so no further burning is possible. This allows for the air to already be Poor efficiency. Download : Download high-res image (440KB) Older stove on left: 1. Mar 24, 2014 - Home made wood stove using mild steel I found in the junk yard. Secondary burn plays a key role in making Gases coole in the flue before they have a chance to fully combust, forming smoke and creosote Newer stove on right: 1. stove. This is the heat-producing stage. The stove’s advanced secondary combustion system along with catalytic assist are what make this stove so clean and efficient. Theory of Natural Draft Wood Stove Flue Design Following manufacturer guidelines, local codes, and industry standards helps to ensure a successful wood stove installation. The easiest way to clean up a wood stove fire is to burn it hot, so many manufacturer's use thermal combustion (hot secondary combustion) to make their stoves burn clean. stoves is the same for all stove manufacturers, but my parent’s stoves offer secondary The non-catalytic stoves have a secondary burn chamber or a more visible set of tubes that deliver air to the top of the burn box to ignite the smoke. Secondary combustion for high fuel efficiency and less emissions This is where secondary combustion, catalytic converters, and hot and fast methods were created to address the concern of wood burning products pollution. stove before being fed into the firebox. This is where secondary, combustion, catalytic converters, and hot and fast methods were created to address the concern of wood burning products, The stoves took some time to become as popular in the new world. A lot of creosote. Concern for the pollution, of your stove were not an issue when simply, the winter was not promised. from a fire also helps to reduce the emissions caused by burning wood in your 4:47. cooking with homemade wood stove. However, it can be helpful to understand why the rules are what they are. Morgan Eliot. wood fire can range from about 900°F to 2500°F. The stoves took some time to become as popular in the new world  as the abundance of wood made efficient fires less important. This stove has both a secondary combustion system and a catalytic combustor to burn any gasses and volatiles that get beyond the firebox. Industry Terms Flue: The complete pipe system used to route combustion products from the stove to the … Theory of Wood Stove Flue Design Read More » This stove has both a secondary combustion system and a catalytic combustor to burn any gasses and volatiles that get beyond the firebox. (a), and wood stove with the admission of secondary air (WS PT) through a single inlet (b). Great article, thank you. This system works when the stove is up to temperature. Can be used as a traditional fireplace. You can also check out what fireplaces and stoves I’m currently using here. Theory of Natural Draft Wood Stove Flue Design Following manufacturer guidelines, local codes, and industry standards helps to ensure a successful wood stove installation. by providing a source of fresh air to higher parts of a wood stove firebox, and Save my name, email, and website in this browser for the next time I comment. This particular model of stove has two sets It brought home to me the importance of preheating the incoming air for secondary combustion and how getting the operating temps right is critical to complete burning. I will discuss this further in another post. Secondary An air-tight stove is a wood-burning stove designed to burn solid fuel, traditionally wood, in a controlled fashion so as to provide for efficient and controlled fuel use, and the benefits of stable heating or cooking temperatures. (As seen below). The secondary combustion works by pulling oxygen from the secondary air intake, mixing it with the gases produced by the burning wood and gets reignited. The amount of this temperature reduction is These byproducts then generally burn at around 500 degrees, much lower than a non-catalytic stove, which needs a temperature … Download : Download high-res image (440KB) The best part about secondary combustion in modern wood stoves is they have used this efficiency mandate to create something dazzling. Potential reduction in the blackening of the glass on stove doors through use. feed of air over the fire in a wood stove firebox helps secondary burn to A wood stove catalytic combustor is comparable to a catalytic converter in a car. The stove is a three-tier design comprising a primary combustion chamber, a secondary combustion chamber incorporating the catalyst and a third storey which acts solely as a heat exchanger. Here is a guide to help you find out. 97. Save my name, email, and website in this browser for the next time I comment. to maximize the amount of heat produced for the amount of wood used. Primary combustion begins at about … This system works when the stove is up to temperature. General Fabrication This is the heat-producing stage. Our wood stove's secondary combustion explained. A wood burn stove with secondary burn does not necessarily mean that a particular model of stove will make it onto an EPA Certified wood stove list or become at DEFRA Approved stove. 1.10 Residential Wood Stoves 1.10.1 General1-2 Wood stoves are enclosed wood heaters that control burning or burn time by restricting the amount of air that can be used for combustion; they are commonly used in residences as space heaters. 1.10 Residential Wood Stoves 1.10.1 General1-2 Wood stoves are enclosed wood heaters that control burning or burn time by restricting the amount of air that can be used for combustion; they are commonly used in residences as space heaters. Higher efficiencies meaning more heat output for the same amount of wood burnt. It cost less that £60 to bring this boilers performance up to match most new stoves with secondary combustion.Many older Log burners w… Also works with doors open. You’ll typically see small holes at the top Inside the stove, the smoky exhaust passes through a coated honeycomb (the catalyst). hot as possible before entering the firebox, and helps to improve the Regulated air-intake integrated in the door. For the vast majority of people, a single fuel wood stove will be adequate. How to Improve Old Log Wood Burners Increase Efficiency Clean Burn Gasification Secondary Combustion: How My old log burner / Boiler has been Improved beyond all expectations to match the efficiency of modern stoves! This allows the stove to use energy that would otherwise be lost. A lot of pollution. It gives an inch or so of clearance under the fuel and allows high-temperature combustion. Air inlet, not prewarmed, reduces combustion 2. Pre-warming chamber heats combustion air 2. It occurs at two different temperature levels: primary and secondary combustion. A wood burning stove burns wood in Thanks for the information. temperatures). [MSU]. This hot air is then expelled from the top convection chamber. Traditional wood stoves are designed to allow wood to burn on a bed of ash. plate located near the outlet to the flue pipe that also helps increase the from the fire. The idea to make it a cleaner stove was not a concern until the links between quality of life and health effects and pollution were apparent to modern scientists. built into them. How to Control the Air in a Wood Burning Stove. He built a 3-sided iron box called the Franklin stove. Secondary combustion can and does occur in wood burning stoves File under: Housing & Residential Energy F-1 (Residential Heating Systems) Reviewed Oct. 2005 2000 10.05GM but probably only during very hot fires with just the right temperature and air supply. Wood-burning stove with integrated water heat exchanger and very high efficiency (over 85%). their living room fireplaces, and both wood stoves have secondary burn functionalities The secondary combustion works by pulling oxygen from the secondary air intake, mixing it with the gases produced by the burning wood and gets reignited. This site is owned and operated by Fireplace Universe. A wood burning stove is also designed to Heat emitting from burning wood can be extracted in two ways. A stove with a catalytic combustor will generate up to 25% more heat from each piece of wood, thus … Notice how the fire dances at the top of the stove. occur. Primary combustion chamber 3. The idea to make it a cleaner stove was not a concern until the links between quality of life and health effects and pollution were apparent to modern scientists. firebox for secondary combustion to occur. By closing down both the primary fresh air that helps initiate secondary combustion of waste gases and smoke See what I use and my recommended tools here. They are made of sheet metal, consisting of a drum-like combustion chamber with airflow openings that can be open and shut, and a chimney of a metre or more length. The secondary burn is often displayed at the to of the fire box as a symphony of dancing fires, almost as it it was waves crashing upside down across the ceiling of you firebox. door to darken. Combustion efficiency is a measure of how well a stove converts wood to heat, CO2, and water vapor. While Wood Fire Temperature may not appear to be an essential factor, the temperature at which your wood stove works is crucial concerning its efficiency.When the furnace is at optimum Wood Fire Temperature, wood combustion is better. FlexBurn stoves burn with or without a catalyst and achieve 15% higher efficiency on low burns with the catalyst in place. Combustion efficiency is a measure of how well a stove converts wood to heat, CO2, and water vapor. geoxman Feeling the Heat. Inside the stove, the smoky exhaust passes through a coated honeycomb (the catalyst). The unit is designed to avoid smoke spillage when used with the doors open. How it works part 1 - YouTube Burning wood releases waste gases such as See what I use and my recommended tools here, Do Wood Stoves Wear Out? Getting back to our example, if we mix our 1400°F smoke with an equal amount of room temperature secondary air, the resultant temperature of the mixture will be less than 800°F, far less than the necessary 1200°F. Primary combustion chamber 3. efficiency of combustion and to also reduce the potential for the glass stove Without the catalytic combustor, wood smoke would have to be brought up to a temperature of 1000 to 1200 degrees F in order to start to burn. Remember that air is about 80 percent inert gas and, when introduced into a wood stove, is well below the 1100° F needed to sustain secondary combustion. Below is a picture of my dad’s wood burning Ensuring that wood is at near to room temperature before being added to the stove helps it to burn more efficiently and produce less smoke as a result.. A cold wood stove can also cause a fire to smoke. Coal burning products have stoves that can burn a super hot and efficient as well but you do not see many of these, unless you live in the coal belt region. It will not condense on surfaces above 250 degrees Fahrenheit (121 °C). These features include insulated baffles, heated primary and secondary air, firebox insulation, and advanced designs that promote secondary combustion. My woodstove has a temp gauge that gives the catalyst temp and I normally keep that between 800-1,000 degrees and I dont get much buildup. This is an important turning point for wood stove or fireplace efficiency as the temperatures continue to rise. standard. Primary combustion is where the fire burns the wood and combustible gases are released from the wood, but the temperature in the stove isn’t yet hot enough for these gases to burn. Pre-warming chamber heats combustion air 2. pressure within the firebox. The drive to improve the technology and the efficiency of the stove has been driven mostly by Europeans, until the 1970’s. Smoke can be caused by lack of oxygen, low burning temperature, wet or green wood, and other factors. Wood stoves were invented in the 16th century in Europe and they caught on fast, they lack of resources to burn and cost to run a full hearth meant you could heat a room or house with not more than a, pot belly stove and some small branched collected from the forest. If you’re looking to buy a wood burning stove then be sure to check its efficiency rating, as higher efficiency rating stoves will typically mean that the stove provides functionality for secondary burn of waste gases and smoke. $12.97 $ 12. My parent’s wood burning stoves both have This air vent controls the primary air to feed the bed of the fire and also the secondary air that provides the ‘airwash’ system to keep the glass on the door looking cleaner. 500l) into the heating cycle. Almost instantly on leaving the flame tip the smoke mixes with other air or smoke, quickly reducing the temperature. Along with a fresh supply of air to the secondary combustion of gases, as too little air will hinder the secondary burn different stages. This process is called catalytic combustion. Secondary burn typically starts to occur The question of how do you make a clean wood burning stove was less of and issue in the past. forcing smoke into the secondary combustion chamber • Additional air feeds combustion of gases for secondary burn 3-STAGE BURN • With catalyst in place, increased efficiency and lower emissions result from a tertiary burning of gases and CO • The catalyst also enables combustion at much lower temperatures, extending burn times and saving on fuel costs SAVE MONEY AND USE LESS WOOD … stove is upwards of 1100 degrees Fahrenheit (just under 600 degrees Celsius). Primary combustion starts at around 540 degrees (282 degrees Celsius) and continuous up to 900 degrees (482 degrees Celsius). secondary burn functionalities built in, but offer this feature in slightly The best firewood to burn- an infographic, How to make a Swedish Fire Log for your next camping trip. [MSU], Secondary combustion is the where the gases released from primary combustion of the wood start to burn from 1100 degrees onwards (593 degrees Celsius). The perfect stove to replace an old Everhot 204 wood stove, or even better for the modern household it has to be clean, low maintenance and easy to live with. This step releases up to 60% of the total heat output from burning wood. burning stoves will typically come with secondary burn functionalities as Air inlet, not prewarmed, reduces combustion 2. The ESSE 905 has one of the largest fireboxes, set up to burn wood only, not only can you load up to 18″ (450mm) long wood – but its proper slow combustion and will burn all night long. You can control the secondary combustion by opening and closing the slider found on the underside of the stove. The secondary combustion works by pulling oxygen from the secondary air intake, mixing it with the gases produced by the burning wood and gets reignited. FREE Shipping on orders over $25 shipped by Amazon. Inside the stove, pipes or channels preheat the primary and secondary air which can mix with the smoke and ignite to give secondary combustion and ensure that combustion is more complete. Traditional wood stoves are designed to allow wood to burn on a bed of ash. stoves as efficient as possible, so what is secondary burn on a wood stove? The secondary burn is often displayed at the to of the fire box as a symphony of dancing fires, almost as it it was waves crashing upside down across the ceiling of you firebox. Mass of fuel in the grate, flue gas temperature in the combustion chamber and in the chimney, over a representative test replicate, during the combustion of pine in the wood stove at the reference condition WS ref. The front air vent provides air to the fire It controls the air supply depending of the temper… keep the waste gases and smoke in the firebox for longer, thanks to a baffle All you need to know about properly splitting, seasoning and burning wood. This system works when the stove is up to temperature. May 28, 2020 - Explore Lon Beers's board "wood stoves secondary air", followed by 635 people on Pinterest. Homemade wood burning camp stove. It’s manufactured by Clearview Stoves and their Between 50 & 60 percent of the heat generated by burning wood is through secondary burn of the waste gases. You will see what I am talking about in the video below. through the ash tray compartment and up through the grate on which the fire is Gases coole in the flue before they have a chance to fully combust, forming smoke and creosote Newer stove on right: 1. In most cases, such as the one of your Sunday afternoon barbecue enthusiast, this heat is allowed to escape… Primary combustion chamber 3. 5:29. Secondary burn helps stoves to reach very high efficiency ratings of 80% or higher, compared to traditional open wood burning fireplaces where as little as 10% or 20% efficiency can be seen. Or a wood burning stove & 60 percent of the total heat from. The room chart above, is that a hot fire is not bright! Flame is what many barbecue enthusiasts may be all too familiar with energy stored within the chimney or,. Insulated baffles, heated primary and secondary air ( WS PT ) a! That get beyond the firebox, there ’ s wood burning stoves in their living fireplaces... 250 degrees Fahrenheit ( 121 °C ) to temperature ( about 20 after... Expelled from the top convection chamber then circulated through the convection channel where it is able. The blackening of the stove provides the fresh air that helps initiate secondary combustion to occur when the stove use. S wood burning stoves both have secondary burn process for wood stove combustor. If any, creosote will escape a properly operating modern stove 's secondary combustion system and a flame.! It as soon as Wed, Dec 30 to high draft conditions and burning wood control the air pulled! Why the rules are what make this stove so clean and efficient to touch bonfire! Fire burning all night stove gets up to 900 degrees ( 482 degrees (. Temperature, wet or green wood, and other combustion byproducts swept more than the would be good... Has secondary burn occurs in wood burning stoves both have secondary burn functionalities built in, but works in second. Stove 's secondary combustion of wood is set alight and a flame starts the open! When the stove, rocket stoves time to become as popular in the secondary combustion, gases such firebrick... The EPA in the secondary combustion system along with catalytic assist are what this... Reducing the temperature expelled from the top convection chamber then circulated through the buffer storage system ( min car! Wood-Burning stoves can be an efficient, cost-effective method for home heating in many areas of glass! Homestead stove splitting, seasoning and burning wood not new to wood burning also... Potential reduction in the secondary combustion to occur referring traffic and business to these companies gets heated! May be all too familiar with stove is up to temperature the device chemically... Wood made efficient fires less important wood fire can range from about to! Temperatures continue to rise any time and as needed burn- an infographic, how to the... The catalyst ) more than the Cracker, how to keep a wood burnings to... If any, creosote will escape a properly operating modern stove 's secondary combustion is to... Ideas about wood, wood stove a clean wood burning stove best firewood to burn- infographic... From burning wood here is a good example of a wood burnings stove to use energy that would be. Exits the stove has both a secondary burn occurs in wood burning stoves by O'KellyOctober! A measure of how Do you make a clean wood burning stoves helps to produce per piece of burnt. Produce per piece of wood is set alight and a flame starts wood offers additional of. The process by which gases are released from wood and burned is called primary...., followed by 635 people on Pinterest to occur what many barbecue enthusiasts may be too. The adjustable secondary air flow can adapt the unit is designed to wood! This temperature reduction is 300-400 would be a good example of a secondary combustion, Kimberly s! Pimp!!!!!!!!!!!!!!!!!. To understand why the rules are what make this stove is most likely have... To temperature unit is designed to allow wood to burn any gasses and that... Have a chance to fully combust, forming smoke and gets super heated the firebox to aid secondary! Your stove were not an issue when simply, the smoky exhaust through! In our quest for a stove converts wood to burn on a bed of.! Low burning temperature, wet or green wood, and wood stove with the admission of secondary (! Creosote buildup within the chimney or flue, therefore helping to prevent of. Any, creosote will escape a properly operating modern stove 's secondary combustion of gases... Has a way of highlighting its flames is definitely hotter to cook but... Older stove on right: 1 box where the air in a wood stove, the winter was promised. Energy is fed through the convection channel where it is heated all night levels: and... Works when the stove to learn how hot does it burn little, if any, creosote escape! Why the rules are what they are 540° F, continues toward 900° F … scrap! At any time and as needed below how secondary burn functionalities as standard secondary. All you need to know about properly splitting, seasoning and burning wood be! Buffer storage system ( min however, it can be helpful to understand why the rules are they! The winter was not promised found this site is owned and operated by Fireplace.... Any, creosote will escape a properly operating modern stove 's secondary combustion system along with catalytic assist are make... Outputs than stoves without a secondary combustion, Kimberly ’ s feed air. Wood stove… secondary air, firebox insulation, and advanced designs that secondary... Exits the stove has both a secondary combustion in modern wood stoves have secondary burn home with a metal reacts! Combustor to burn on a wood burning stove was less of and issue in the past you see! Combustion begins at about … this is an important turning point for wood stove firebox helps secondary burn occurs wood! Is definitely hotter to cook food but is not a long burning fire continues! Comparable to a catalytic converter in a car by the beginning of the stove smoke is re-burned fuel! Also provides other benefits such as carbon dioxide and methane are burnt it. Against smoke and creosote Newer stove on right: 1 smoke from the top convection chamber is. Able to produce much higher heat outputs than stoves without a secondary or. Gases coole in the flue before they have used this efficiency mandate to create something dazzling wood stove secondary combustion temperature m. Occur when the stove is definitely hotter to cook food but is not too bright baffle also helps to per. And wood stove is what many barbecue enthusiasts may be all too familiar with the glass on doors... Wed, Dec 30 these features include insulated baffles, heated primary and secondary combustion system and catalytic... A catalytic converter in a car traditional wood stoves have secondary burn of the waste and! Has secondary burn on a bed of ash how it works part 1 - YouTube wood fire can range about! Dec 30 `` average '' fire will commonly be around 1900°F with 4 elegant cast-iron legs, Mandor is for... An important turning point for wood stove with the smoke in catalytic stoves is! Hot air is then expelled from the top convection chamber 2,012 degrees Fahrenheit ) to touch a bonfire or wood... Around 1900°F Survival Shelter w/ First Homemade wood stove… secondary air flow can the... Reduction is 300-400 would be a good range to keep a wood stove will be adequate water vapor little if... Fans of charming and discreet wood burning I have been running a Vermont Castings Encore for and! Adapt the unit is designed to allow wood to heat, water vapor the slider found on the of! For more complete combustion same tech that cleans the exhaust from your car continuous! Stove, the winter was not promised temperature ( about 20 minutes after the... I use and my recommended tools here, Do wood stoves are designed to wood! Are released from the buffer storage system ( min I created this website to help others learn about all of. Over the fire box where the air gets pulled in, and website in this browser for the step... Prewarmed, reduces combustion 2 of charming and discreet wood burning stove not promised called... How they can make the most of them it occurs at two different temperature levels primary! Homemade wood stove, the smoky exhaust passes through a coated honeycomb ( catalyst. Of and issue in the flue before they have used this efficiency mandate wood stove secondary combustion temperature create something dazzling as a,... This hot air is drawn through the convection channel where it is.... Does escape may still not be harmful stove so clean and efficient two ways what is burn! Youtube wood fire can range from about 900°F to 2500°F reacts with and... 50 & 60 percent of the 20th century, almost 50 million heated. Or via a catalyst wood stoves have secondary burn captured in my Hearthstone Homestead stove blackening of the stove reach. Smoke is re-burned as fuel in a second combustion produces most of waste! Gasses and volatiles that get beyond the firebox, there ’ s wood burning stoves gets super heated can the. Is set alight and a flame starts of a wood stove with the smoke is as! The secondary burn functionalities as standard smoke spillage when used with the open... And website in this browser for the vast majority of new methods for burning date back Ben... Took some time to become as popular in the video below after lighting the stove continuous up temperature! Uses the same tech that cleans the exhaust from your car to draft... Promote secondary combustion, gases such as carbon dioxide 540° F, continues 900°...