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What is a Defra Approved Wood Burning Stove? If you reside in an area where smoking is controlled, it's important to buy a DEFRA exempt stove. A DEFRA exempt stove (or SE) permits you to legally burn wood in a smoke controlled area. The stoves are tested independently to ensure the lowest possible emissions. Stoves with this status will often display the 'Defra-approved' logo on their name or the specifications. Approved for Smoke Controlled Areas Many people believe that living in a smoke controlled zone means they cannot make use of a fireplace that burns wood. This is not true. Many towns and cities are within a smoke control zone, but that doesn't mean they aren't able to use a wood burning stove. It just means they must burn authorised fuels in their stove (usually briquettes). The Defra-approved stove is a wood-burning stove that has been thoroughly tested to ensure that it meets certain criteria in regards to the emissions it emits when burning authorised fuels. This means it can be legally used in areas of smoke control. The Defra logo is widely adopted in the industry, and a lot of the stoves that have been approved have SE after their name which means they are smoke exempt. To be SE approved the stove must satisfy strict emission criteria. This means that you can rest assured that you are buying the best wood stove on the market. If you are looking for a wood burning stove that is Defra exempt or has SE after its name, you'll usually discover that the manufacturer has done things like ensuring that there enough air inlets on the front of the stove to allow full combustion of the fuel, and that the chimney outlet size is sufficient to stop the build-up of soot. This is important as it helps to ensure that the smoke from the stove does not escape through the chimney and enter your home. Another benefit of the Defra approved stove is that it generally permits you to use it with five” chimney liner, which complies with UK building regulations. However, non-Defra approved stoves will need to be fitted with a bigger 6” liner. At DEFRA list stoves are delighted to offer a range of Defra approved stoves and fires, alongside our Ecodesign Ready stoves that have been developed with future air quality standards in mind. In fact, a lot of our Defra approved stoves are able to be used with smoke control kits for properties located in a Smoke Control Area and therefore can be used with a variety of smokeless fuels that are authorised, such as fire logs. Approved for Smokeless Fuels A DEFRA approved wood burning stove, also referred to as a DEFRA exempt stove is the only kind of stove that you can put in a smoke control area if you plan to use it for solid fuel (wood or wood that is well-seasoned). The government tests them to ensure they don't produce excessive smoke and can be used only with 'authorized' fuels. The difference between a DEFRA-approved stove and one that isn't approved is usually quite small. Modern stoves can be made DEFRA compliant with an approved kit supplied by the manufacturer and installed in a matter of minutes. This is due to the fact that a Defra approved stove has to undergo rigorous testing and has to be limited on how much smoke it is able to produce. To ensure that the restrictions are maintained, the stove must be able to limit its combustion air to ensure that it doesn't rob itself of oxygen, which could cause it smoulder. This is accomplished by the mechanism that allows an air pocket in the firebox when it is burning. It is typically hidden in the stove or under the base of the fire box. Stove World UK offers a wide range of DEFRA approved stoves from some of the best brands in the country such as Stovax, Arada and Burley. They are available in a vast variety of styles and finishes. You can also select from a vast variety of Ecodesign ready stoves that have been designed to meet future air quality requirements. Smoke Control Areas are typically located in large cities and towns and you can visit your local authority's website to determine if the area you live in is classified as one. If you reside in a smoke-free zone, it is very important that you buy an DEFRA approved stove for your home to avoid being fined by your local authority. This is because if you burn 'unauthorised' fuel in a non-approved stove, like coal or any other solid fuels and you are fined up to PS300. Approved for wood A DEFRA approved wood stove also called a smoke exempt stove, is an appliance that can be used in a Smoke Control Area when burning wood. The stove will be stamped with the Defra approved logo or have an 'SE' in its name meaning it is able to be used in smoke controlled areas, when burning approved fuels that is, in this instance, wood. A lot of older wood stoves emit large amounts of particulate matter. This can lead to or worsen respiratory problems, asthma attacks and heart problems. This is why it is crucial to purchase new wood stoves that is compliant with the strict emission standards set by the Environmental Protection Agency (EPA). Look for a “EPA 2020 Certified” label, which signifies that the stove meets the emission limits that are currently in place. If you purchase an appliance that isn't EPA certified and you live in a smoke-free zone it is necessary to have it recertified before you can use it. This can be expensive and time-consuming, however it is required by law. Homeowners who sell a home with a wood stove that is not certified may be subject to tax credits or fines that relate to pollution-free air. With a kit or an adjustment made by the installer, most modern stoves can be Defra approved. The main difference between DEFRA approved stoves and those that aren't combustion air control system, which regulates the amount of air that passes through the stove when it is in normal operation. The modifications are usually placed on the underside of the firebox or within the base. Some manufacturers produce two types of wood stove: one that is Defra-approved, and the other is not. The reason behind this is that the cost of putting a wood stove through the rigorous Defra testing is expensive. To offset these costs, they sell the non approved version at a cheaper price. The DEFRA-approved version has been through the modification to the combustion air as part of the testing procedure. Gas Approved Before the Clean Air Acts were brought in residential homes could burn any kind of fuel they liked which led to large amounts of smoke emissions and health issues. To prevent this, Defra established Smoke Control Areas. This means that residential homes can not emit any smoke unless their wood burners and multifuel stoves were Defra-approved to allow burning only approved materials such as manufactured smokeless coke and anthracite. Defra approved SE (Smoke-Exempt) Stoves have been put through rigorous testing to prove they can burn authorised fuels cleanly within a Smoke Control Zone. The latest combustion technology delivers a constant minimum of secondary air into the firebox. This lets the stove meet Defra regulations for Smoke Control Areas even when it is used with authorised fuels like anthracite and manufactured smokeless coals. If you're in the market for a new wood burning stove and you live in a Smoke Control Area then we recommend that you take a look at the range of Defra approved stoves which can be found here at The Stove Yard. We have a broad selection of stoves that are Defra-approved, including traditional, contemporary and inset models that are made by top manufacturers such as Stovax. Arada, Burley and AGA. The good news is there is no difference in appearance between a stove approved by Defra and a stove that is not approved. However the stoves that are approved by Defra have a few features designed to help them burn cleaner. They usually have a slightly different grate and air vents and on gas models, they may have a larger flue outlet. Another benefit of an Defra Approved stove is that they will almost always have five” (125mm) flue outlet which means that you can choose a narrower stainless steel twin wall chimney liner that is less expensive than a standard 6” (150mm) liner. We've seen this helpful when a customer has an older or non-standard chimney that we are installing a Defra approved wood burning stove into and it reduces the cost of relining the chimney with a bigger diameter liner.