Experience ultimate warmth with the Mr. Heater ® MH15C Heater & Cooker. The MH15C Cooker delivers between 8,000 and 15,000 BTUs of heat. Adjustable heat control gives you an option of high, medium or low, and features a safety shutoff valve for peace of mind. It connects directly to a one pound propane cylinder and operates for approximately 1.4-2.6 hours.