Wood stove and biomass heat
These wood pellet stoves for off-grid heating don't need electric to operate
...pellet stove (US Stove Company US GW1949) :
What we really like about the funky looking Wiseway is that this is the cheapest gravity-fed, EPA-certified pellet stove we have found that can run without power. You'd be lucky to have embers after 8 hours with a wood stove, whereas the Wiseway pellet stove runs up to 28 hou...