If it's a "vented" kerosene heater your inside air should be as good as your outside air bercause outside air replaces whatever goes up the stack. If it isn't vented it should be.

: I was going to heat up my garage to 90 deg. for the wetout with a kerosene
: heater until I saw a post that showed pitting in the finish
: "possibly" from kerosene in the garage.Does any one know if this
: is a problem?