Expositor: Firewood is the best of all heating fuels and it’s the worst of all heating fuels. The reality of your experience depends on exactly how the wood is burned and what your expectations are. I know because I’ve spent the last 20 years heating with environmentally harvested wood in one form or another while also researching developments in the field and writing about them. This winter promises to be the most expensive Canadian heating season of all time, and I suspect that homeowners everywhere …