Beat the chill with help from the RedStone 23,500 BTU Portable Convection Kerosene Heater. Whether you're using this heater for supplemental heat in a garage or barn, or you're using it as an emergency heart source, its adjustable settings and 23,500 BTUs of energy are sure to keep you comfortable. The kerosene heater is portable and comes with a wick installed, a manual siphon pump and batteries for automatic ignition. The heater operates up to 12 hours on 1.9 gal. of kerosene. Suitable for large indoor areas up to 1,000 sq. ft., such as areas with closed doors and windows like workshops, tool sheds, small barns and bedrooms.