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What You Need to Know About Outdoor Wood Burners Outdoor wood burners are a cost-effective method of heating homes and businesses. They also help to reduce dependence on non-renewable fossil fuels and contribute to a resilient energy strategy. For efficient combustion it is essential to use seasoned wood. Green or unseasoned wood may have a higher moisture content which can cause creosote to accumulate and decrease performance. Efficient Outdoor wood burners (OWBs) have been around for a long time and offer a very green and efficient method of heating your home. However, the design of OWBs, which encourages an unsteady, cooler fire that results in less combustion and a higher amount of smoke, creosote and particulates. Unburned fuels can cause health issues as well as fire hazards, and can also harm the environment. Additionally, the visible smoke produced by OWBs can make neighbors angry and could lead to DEC (Department of Environmental Conservation) enforcement actions. This type of issue can negatively impact your property value and even result in your OWB being closed down. Crown Royal Stoves offers a range of EPA Certified outdoor wood furnaces known as the Pristine Gasification Series that utilizes technology to boost the efficiency of combustion for a clean, smokeless burn. This is achieved through a negative pressure air system that draws fresh, dry, hot, filtered air in from the bottom of the boiler and then pushes it back out through the chimney at a more rapid rate than traditional outdoor wood boilers. This is achieved through an innovative design that makes use of a multi-pass, water filled heat exchanger constructed from 409 Titanium Enhanced Stainless Steel. When properly used when properly used, the Pristine Gasification Series OWB can achieve an efficiency of 99% for a cleaner, smoke-free fire that uses less wood and generates significantly fewer emissions than traditional OWBs. It is crucial to burn only dry, clean and seasoned wood to increase the performance of your OWB. The process of preparing your wood for 6 months or a year prior to burning is recommended. It helps ensure a better and more efficient burn. You can improve the efficiency of your wood-burning stove through each week a “dry burn”. This technique eliminates creosote accumulation, makes your boiler in good condition and extends its life span. Additionally by putting in small wood burning heater stick every time you fill your stove, you will be able to dramatically reduce the amount of creosote you use. This product is available through Wisconsin Wood Furnace. Clean A wood-burning stove could be very dirty due to burnt soot particles. They are difficult to get rid of, so clean any buildup that may be on the glass of your stove immediately. Soot that is not removed will harden and make it more difficult to remove. Using the right cleaning products for the job is essential however, you must also ensure that you're not damaging the glass's surface with anything that might scratch it. This could leave a weak spot that will break the glass when exposed to high temperatures. Make sure you let your wood burner cool completely before cleaning it. Make sure that you protect the area around it with newspaper. This will prevent any spillage of ash that can cause stains and marks on surfaces. It could take as long as one year for your stove's seasoning to be complete, based on the quality of the wood you select. The wood that is seasoned will not only burn more efficiently, but also produce less creosote. This is the substance that builds up on your fireplace, decreasing its efficiency and creating a potential fire hazard. If you're using unseasoned wood, or just beginning a new fire in your outdoor wood burner the best thing to do is to open the back door to the lower part and scoop ashes out into a non-combustible container every week. You should also do a sediment flush on your boiler at least once every four years. This involves a simple five-second flush from the drain valve on your boiler. This will eliminate any sediment that has built up in the system and will ensure that your boiler runs well. Once you've completed the sediment flush, it's now time to clean the exterior of your outdoor wood burner. Before you begin, it's important to cover the stove's perimeter with newspaper. Wearing protective eyewear and gloves is an excellent idea. Also, you should have a metal ash container as well as a scraping tool and a shovel. To protect the refractory you should lay down a piece of cloth to protect it while you scrape away coal and ash deposits. Easy to Operate Despite their popularity (they were one of the 1990s' “it” trends, as were mullet haircuts) outdoor wood boilers, referred to as outdoor furnaces or outdoor wood hydronic heaters, are still often misunderstood. They're not like the popular EPA wood stoves, which are built to burn low temperatures and continuously. They use an increased rate of combustion and produce more smoke. Certain local governments restrict or prohibit their use. OWBs work best in homes with high levels of insulation. Smoke that is thick and smoldering could cause annoyance to neighbors, which has led many OWBs to be shut down or even sued. For OWBs, dry wood with less moisture content is needed to work properly. Utilizing unseasoned or green wood reduces efficiency, leads to creosote to build up and may cut down the life of the burner. Drying wood takes time, and the use of a moisture gauge is essential for every homeowner. In contrast, dual-stage wood gasification boilers (OWGB) utilize a three step process that makes use of more available energy from the wood and results in a lesser amount of smoke. These furnaces are more efficient than conventional OWBs, and can be used to fuel various fuels. Wood gasification boilers require dry well-seasoned wood. Most wood will season within a year, but oak and other species with a hardy structure could take two or more years to fully season. They are less water-based and have a larger mass. This allows them retain heat for longer, thereby increasing efficiency and decreasing pollution. The EPA's “Burn Wise” website and Cornell Cooperative Extension can help homeowners understand how to burn wood efficiently to minimize air pollution. Low Maintenance Modern outdoor wood furnaces have been designed with the environment in mind. Contrary to indoor wood stoves that produce significant smoke modern outdoor furnaces burn cleanly and without the release of excessive carbon monoxide or heat. They also require less wood to provide the same amount of heat as traditional stoves. Outdoor wood burners also require significantly less maintenance than indoor wood burners and are more accommodating in regards to the moisture content of the wood. However outdoor wood burners can only be used with properly seasoned or “cured” wood. Some types of wood can take up to a year. Use a moisture meter before loading to check the amount of water contained in your wood. In the course of operation, it is crucial to examine the system on a regular basis for the accumulation of creosote. Creosote is a byproduct of combustion and can accumulate in the chimney and flue in the event that it is not cleaned frequently. It can be removed by pouring a creosote-removing product into the fire. Regular cleaning of the flue and chimney will remove dangerous creosote buildup and improve efficiency. In order to achieve 99% combustion efficiency, Crown Royal Stoves designed a brand new air flow technique called Negative Pressure Gasification. This technology is used in our EPA certified Pristine Series Outdoor Wood Furnaces to draw air upwards from the bottom and force all gases through an insulated secondary combustion chamber surrounded by water with easy-to-clean Turbulators. The result is a smokeless and pollutant-free burn.