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Posted
Sorry alycidon I meant smaller log length. More optimum size being length wise is easier and cheaper to process 12" min length

 

Maybe to start the fire off but once it's going surely the larger logs efficiency is negligible?

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Posted

Im pretty sure, if the wood has the same moisture content then the KWH output per kilo is the same.

 

Obviously softwood is less dense so you need a greater volume, but if you are doing it by weight the energy output is the same.

Posted
Speaking to the guys from AMR at the fuelwood open day we are so behind Europe with our logs burner technology. Small logs and hardly any softwood used.

Because we only mostly use small logs burners as a secondary heat source to gas oil or electric central heating instead of using the wood burner to heat whole of house and use larger logs minimum 12". Easier to stack cut and more efficient to use

 

the reason though is these prices. At these costs a btu from soft wood is twice a btu from mains gas and comparible to oil, electric or propane, all of which involve less work for the householder. the buner itself is also more costly....a gas safe plumber supply and fit a new boiler for a couple of grand, a decent burner large enough to heat a whole house will be a big chunk of that, hetas installers then take the proverbial in many areas with quotes of 3 grand to do an install.

 

I'm not saying wood is too costly, given the work involved i can't see anyone making unfair profits and more must struggle. I do think stoves are a bit costly, but that would come down if more were made and sold, and I do think some hetas installers really are taking the P but that would change if more wer going in. The big problem is gas is too cheap. If this country were serious about being green it should have a carbon tax on stuff like gas and oil, and proper incentives on sustainables like wood

Posted
The big problem is gas is too cheap. If this country were serious about being green it should have a carbon tax on stuff like gas and oil, and proper incentives on sustainables like wood

 

Quite, except the opposite seems to be the reality evidenced by the recent proposed changes to BSL accreditation.

 

Complete absence of a joined-up energy policy for perhaps the past 40 years resulting in a shambles delivered by the poorly informed to appease the masses but hey, that's life!

 

:angry:

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