Karosene

I am currentlt using a karosene heater for Co2 is this a good idea, or bad one? My temps are all good and there is no fire hazard. My money situation is that well I am freakin broke so either I vent from the outdoors to up Co2 or well any ideas? Thank you for the help.

im not familiar with that but my gut is telling me that it prob puts off more carbon monoxide then anything else