Mr. Heater Buddy Flex - $117 (was $237 ... Heater BuddyFlex fits flatly in the middle of Mr. Heater’s portable heater lineup, providing up to 275 square feet of coverage with an impressive ...

Unlike many portable heaters, it offers a range of temperatures instead of just two or three ... It delivers 4,000 British thermal units (Btus) for up to five-and-a-half hours on one propane tank.