The DuraHeat 23,000 BTU Portable Kerosene Heater can help you reduce your total home heating costs as well as provide warmth to those hard-to-heat areas up to 1,000 sq. ft. The heat output is adjustable with a simple dial control and an auto-shutoff feature is built in for your safety. This heater operates without electricity and offers an excellent source of emergency heat and light during power outages.