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Pellet burner installation

Posted by les lucioles - Created: 5 years ago
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2 replies (Showing replies: 1 to 2)

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Posted by A Breath of Fresh Air - 5 years ago

Sorry, that's 'modulated' not 'attentuated': as I focus on French I seem to forget my English!

Louisa 

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Posted by A Breath of Fresh Air - 5 years ago

Be very careful about choosing a 'big' one: wood burners CANNOT be attenutated like gas and oil burners can, so the usual procedure of over-speccing will defeat your attempts to be either green or economical.  You MUST make an assesment of the actual heat needed, and see if there are ways to provide top-up using gas, oil or electricity in the coldest months to keep wood burner installed kW to an absolute minimum.  Firing HW into a large storage mass helps too.

You want to be firing at 80 to 100% capacity as much as you can, efficiency decreases and pollution, particularly dioxins, increase rapidly as you drop below 80%.  Ashing and tar deposition will also increase markedly. Conversly, a gas burner will happily run at 15% with almost no loss of efficiency.

But by all means, add a huge great hopper to it!

Louisa