I agree with OP ........get lots and lots more of those

hand warmers, body warmers,,, toe warmers...whatever warmers you can stock up on.

Also if you are using kerosene heaters YOUR HAVE TO HAVE A DRAFT. ........AND THAT FLAME BETTER BURN BLUE CAUSE IF IT BURNS YELLOW YOU ARE JUST PUMPING OUT COPIOUS AMOUNTS OF CARBON DIOXIDE...AND YOU COULD DIE.