Just because youre spending time outdoors during the cold season doesnt mean you have to put up with the chill warm up any outdoor or garage space with the radiant warmth of the Mr. Heater 25，000 BTU Convention Outdoor Liquid Propane Heater.It might be small， but this propane gas heater is mighty， using natural warm air movement to quickly heat entire rooms， such as a garage， patio， hunting blind， storage shed， or small barn. This outside propane heater is equipped with a thermo electric safety valve to shut the gas off if the flame ever goes out. Simply set up with the included 10 foot hose and regulator， and then easily light with the push button Piezo igniter.Turn up the heat with between 15，000 25，000 BTUs per hour and keep a space warm for hours. This propane garage heater will go through a tank of propane in a 17 hours.Note: Propane tank not included. Outdoor or vented space use only.