The Mr. Heater Big Buddy F274805 is a high-performance portable propane heater designed to provide reliable radiant heat for indoor and outdoor spaces up to 450 square feet. This versatile unit features three adjustable heat settings—4,000, 9,000, and 18,000 BTUs—making it ideal for job sites, cabins, and emergency heating. Safety is a top priority, with an integrated Oxygen Depletion Sensor (ODS) and an accidental tip-over shut-off system for peace of mind. The heater connects easily to two 1 lb. propane cylinders or a 20 lb. tank via an optional hose, offering flexible fuel options for any environment.
Big Buddy Portable Heater, Standard, Model: MH18B, 4000/9000/18000 BTU, Fan Forced, 400 sq-ft Coverage, Propane Fuel, 20 lb Fuel Tank, 17 in Overall Length, 10 in Overall Width, 17-1/2 in Overall Height, Includes: Hose, CSA Certified, For Tents, Hunting Blinds, Ice Shacks, Tailgate Parties, Cabins, Workshops
Packaging/Shipping Size and Weight:
Length: 19" | Width: 12" | Height: 17.5" | Weight: 18 lbs