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Coal and Wood-burners DO NOT Mix

(May 06, 2014)

Household coal and smokeless fuels should not be burnt in a wood-burner… the hint is in the name.

Wood is burnt on a flat floored stove, whereas multi-fuel burning takes place on a raised grate.  The reason for this is that wood fuel requires air from above to initiate combustion, whereas coal and smokeless fuel require air from both above as well as an escape route for the ash which inevitably builds up over time

So what about my multi-fuel stove, can I use household coal on it?




For this reason, household coal should only be used on open fires.

What should you use instead of household coal?

Smokeless fuel is our recommended fuel for multi-fuel stoves and here is why;

Smokeless fuels give out a higher heat and can last as much as 40% longer than coal.  not to mention burning premium smokeless fuels is much more cost effective than ordinary coal and will actually work out less expensive over the course of a year.  The heating efficiency on an open fire is 37%, using a preformed smokeless such as Excel compared to the 28% generated by traditional house coal. If you were to use the same fuel on your multi-fuel stove this figure leaps up to 65%. This means more heat makes it into your room rather than being wasted up the chimney. This, coupled with the fact that Excel burns 40% longer than house coal, means that you end up using less fuel and spending less money to create your required heat. Switching to premium smokeless coal can cut your heating bills significantly over the course of the year.  And a minor point – You spend less time re-fuelling the fire.

Without doubt, smokeless fuels are kinder to the environment than coal. Indeed, as their name suggests, a concern for the environment is right at their heart. Smokeless fuels were developed to create smoke free areas across the UK and improve air quality in the urban environment. Smoke emissions for premium smokeless fuels are a fraction of these from coal (which is usually around 20%).

These days it’s not just smoke that’s an issue, it’s carbon monoxide. Our smokeless fuels have lower carbon monoxide emissions than house coal. A coal fire can create up to 20% more carbon monoxide than a fire that uses a premium smokeless fuel.

When burning house coal on a closed appliance the tar and smoke particles released during the lower temperature lighting and refuelling periods can find their way onto the stove glass.  While most modern appliances have pre-heated airwash capabilities to keep the glass clear even the best system will struggle to cope with the volume of tar and dust generated by burning house coal. The end result is that the appearance and enjoyment of your expensive multi-fuel stove is greatly diminished

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