Mr. Heater F232000 MH9BX Buddy 4,000-9,000 BTU Indoor-Safe Portable Propane Radiant Heater

The Mr. Heater Buddy is the portable propane radiant heater that takes the chill out of a tent, camper, or hunting blind on cold fall and winter trips. It runs on a 1-lb propane cylinder or a 20-lb tank with the optional hose and filter, and cranks out 4,000 or 9,000 BTU with a piezo push-button ignition — no matches, no batteries. The radiator-style heat warms up to 225 square feet, enough for a 6-person tent or a small RV. What makes it the gold standard is safety: an oxygen-depletion sensor shuts the unit off if oxygen drops too low, and an accidental tip-over switch kills the flame if it gets knocked. It weighs about 9 lb and folds flat with a handle, so it rides in the trunk between the tent and the camp chairs. On a 1-lb cylinder you get roughly 3 hours on high or 6 hours on low — perfect for warming the tent before bedtime and taking the edge off frosty camp mornings.