Category: Stove Advice & Maintenance

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Stove door seals and wasted fuel

Frayed rope, stove door seals and wasted fuel

The modern day wood-burning and multifuel stove looks like a very basic machine from the outside but inside it is optimised to perfection, designed with efficiency in mind and something as simple as frayed rope on a door seal can have a significant impact. While many stove owners spend time checking for cracks, replacing broken elements and trying to maintain the optimum temperature, something as simple as a frayed rope could be costing you money. How?

Stove door seals

When you bear in mind the extreme temperatures created within a modern-day wood-burning and multifuel stove, it is no surprise to learn that certain areas of a stove are subjected to enormous temperature swings. One such area is the stove door seal which is a relatively simple rope like material which is glued in position between the glass and the door to ensure a perfect seal. This relatively simple element of your stove not only maintains the position of the glass in your door but also ensures as much heat as possible is retained within the body of the machine.

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Getting the most out of your wood-burning stove

The cost of a wood-burning stove today varies widely depending upon the type of model you are after and the brand. When you also add in the installation cost it can start to add up although there are significant long-term benefits. It is therefore essential that you get the most out of your wood-burning stove to increase output, reduce fuel costs and avoid the cost of repairs and replacement parts for as long as possible. So, what simple actions can you take to get the most out of your wood-burning stove and maximise efficiency?

Burn the right fuel

As we have mentioned on numerous occasions, while it might be tempting to use old wood which may have the remnants of paint or other materials, this is not worthwhile. Aside from the fact that the remnants of the paint or other materials could create toxic fumes when burned, the efficiency of this particular type of fuel is significantly less than well-seasoned wood which has a moisture level of less than 20%. There is also the fact that wood which contains other substances, such as paint, will likely create a tar like substance which will reduce the efficiency of your stove and also potentially damage the flue.

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Wood-burning stoves, maximising heat output

How to replace cracked glass in your stove door

Whether you have a wood-burning stove or a multi-fuel stove at some point it is likely that the glass in the stove door will need replaced. While we often take these things for granted, we can only imagine the pressure and heat which this glass is exposed to on a daily basis. The constant heating and cooling process will eventually weaken the glass and on rare occasions accidental damage will occur. However, if you start to see cracks emerging in the glass then you should replace it as soon as possible.

Once the cracks start to emerge then it is only a matter of time before the stove door glass will need to be replaced. While it is sometimes tempting to put off replacement of the glass when they are relatively small cracks, not only will these eventually enlarge but during that period your stove will become less efficient. This is simply because of the fact the heat will not be retained within the stove to the same degree which means it will be radiated in an uncontrolled manner – likely leading to an eventual increase in fuel costs. So, what is the safest way to replace glass in your multi-fuel or wood-burning stove door?

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Stove door seals and wasted fuel

Using a stove thermometer to avoid overfiring

While enjoying the deep seated heat provided by the modern day wood-burning and multifuel stove it is tempting to continue piling fuel as high as possible to maintain the warmth. Believe it or not, there is a very common occurrence with stoves which is overfiring. So, what is overfiring and what damage can it do to your stove and your pocket?

Operating your stove at too high a temperature

In simple terms, overfiring is when you operate your stove at too high a temperature which can cause all kinds of issues. Whether you are piling the fuel too high or allowing too much air to flow through the system it can have a major impact.

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Is it time to upgrade your stove?

Stove glossary and terminology

As the popularity of wood-burning and multifuel stoves continues to grow, we thought this would be the perfect opportunity to clarify some of the stove glossary and terminology you will come across. Even though modern day wood-burning stoves offer an array of different add-ons, the basic glossary and terminology is the same.

Airwash

You will hear the term airwash with the vast majority of stove glossary listings today, in conjunction with maintaining clear glass across the viewing area. This is quite simply a system which allows air to flow from a vent on the top of the stove down over the glass viewing area. Thankfully this prevents the buildup of tar and soot thereby ensuring that the flickering flames and the burning embers are visible at all times.

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What are the benefits of hardwood over softwood?

What is secondary and tertiary burning?

The modern day wood-burning stove is an extremely efficient machine which may look unchanged from decades ago on the outside but inside it is awash with the latest technology. Two such developments which often attract questions and uncertainty are the subjects of secondary and tertiary burning. What are they? What do they do?

Burning fuel

Whether a multifuel or a wood-burning stove, the firebox is the area in which the most activity occurs and the appropriate fuel is burnt. The initial burn process is fairly simple, the fuel is ignited, the airflow controlled and heat created. It is the ability to retain this heat within the firebox which is the central attraction of any stove. However, this initial burning process does create waste fuel and gases.

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Will my stove work when the door is open?

Will my stove work when the door is open?

One of the most common questions we are asked is whether a stove will work when the door is open. The simple answer to this question is yes, the stove will work, but it can be up to 60% less efficient than when the door is closed. The fact is that wood-burning stoves and multifuel stoves are designed for use with the door closed. Why?

Controlling the airflow

The key to maximising the efficiency of wood-burning and multifuel stoves is to control the airflow via the air vents. If you use your stove with the door open then there will be a constant flow of air. You will see the fuel burning, the flames will be more visible than normal and you will feel that instant heat hit. However, the fuel will burn quicker, the stove will be more expensive to run and it will be a lot less efficient.

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Five must have items if you own a wood-burning stove

What is a flue liner and what does it do?

If you begin to look at the installation of a wood-burning or multifuel stove you will come across the term “flue liner”. It is a vital element of any stove installation and while frequently mentioned many people are still not fully aware of what a flue liner does. In simple terms it is a clay, ceramic or metal “pipe” inside the chimney which extracts gases created during the combustion process and releases them into the atmosphere. They can seem relatively expensive but as we will cover in this article, they are a vital safety element.

Dangerous chimneys

Over the years there have been various surveys carried out across the UK with regards to the safety of old-fashioned chimneys. Many have seen deterioration in their safety and it got to such a point that unlined chimneys were often described as “little less than criminal”. This prompted a significant change in the building regulations and today things are very different. Safety is paramount, new regulations offer new protections and those looking to install wood-burning and multifuel stoves need to be HETAS qualified or the installation signed off by local authority building control departments.

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Common mistakes when installing a wood-burning stove

With more and more people looking at installing a wood-burning stove in their homes it is perhaps time to look at common mistakes in this area. While the regulations are perfectly clear we have seen occasions where people installing stoves have tried to cut corners and cut costs to the detriment and potential safety of the customer. You would automatically assume in this day and age that installers would stick rigidly to the regulations although unfortunately this is not always the case.

Combustible materials

The register plate is a vital element of any stove installation because it is literally a failsafe mechanism which will stop leaked gases from entering your room. It is also there to collect any debris which may fall down your chimney to the potential detriment of your stove and your safety. While the vast majority of stove installations will have a flue liner as standard there will be occasions where there is no flue liner. In the event of gas leaks it is imperative that the register plate, commonly made of steel, is secure.

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Is it time to upgrade your stove?

How do they measure the efficiency of a wood-burning stove?

The efficiency of a wood-burning stove is a very useful indicator as to how much fuel will be used and how much will be “wasted”. For the modern day stove we see figures approaching 80% and while these do give an indication of an efficient machine how do they actually calculate the efficiency of a wood-burning stove?

Calculating the efficiency rating

First of all it is vital that you do not confuse the heat output figure, which is quoted in kilowatts, against the efficiency rating which is quoted in percentage terms. These are two very different figures as the heat output figure takes into account the lowest and the highest output from the machine.