The DuraHeat 23,000 BTU portable kerosene heater can help reduce home heating costs as well as provide warmth to hard-to-heat areas up to 1,000 sq. ft. The heat output is adjustable with a simple dial control. A safety auto-shutoff feature is built in and so you don't run out, a fuel gauge lets you keep track of kerosene supply. This heater operates without electricity and offers an excellent source of emergency heat and light during power outages.