Are kerosene heaters safe to use indoors?
Kerosene heaters are safe to use indoors when you follow the manufacturer’s guidelines as well as common sense safety precautions.Always use a kerosene heater in a well-ventilated space and ensure your carbon monoxide detector is working properly. Place the kerosene heater away from walkways, furniture, and curtains. Look for indoor kerosene heaters with safety features—such as automatic shut off if the unit tips over or gets too hot.

How many square feet will a kerosene heater heat?
The square feet of a kerosene heater can heat depends on the unit's BTUs. To figure out how many square feet a particular heater can cover, simply divide the BTUs by 20. If you know the area you would like to heat, do the opposite: Multiply the square footage by 20 to find the BTUs you need to keep your space warm.