> I know wood heat is unpopular on HN Why would that be? That wood is going to turn into carbon dioxide when aging anyway. Sure open fireplace are now accepte

> I know wood heat is unpopular on HN Why would that be? That wood is going to turn into carbon dioxide when aging anyway. Sure open fireplace are now accepted to be bad for the health but it's not complicated to "upgrade" an open fireplace into a closed one (which moreover offer much better efficiency). Last winter I warmed the (relatively small) house with the closed fireplace only. Now, granted, it may not be an option for city dwellers living one on top of another: negative externalities of chimneys are a thing. But for anyone living in suburb or in rural, wood heat is great.