Coenergia is a reseller of high performance biomass boilers.
This type of boiler is fed by solid biomass, that is "the biodegradable fraction of products, waste and residues from biological origin", such as pellets, firewood, wood chips, olive pomace, grape pomace, shells, kernels .
The advantage is that in addition to using renewable energy sources (then low level of pollution), provide high energy efficent and greater autonomy. Models are available both for civil use that for industrial use.
Remember you that biomass boilers can benefit from the tax deduction for energy efficiency.
To find these out, ask for a quote or for more information about technical features, see the technical specifications of various models of boiler.