45,000 BTU Portable Radiant Heater 45,000 BTU Portable Radiant Propane Heater requires no air movement or electricity to provide powerful, localized heat. This portable heater features a heavy-duty support frame and solid foam rubber flat free tires making it a breeze to move. This portable heater gives you efficient heat wherever it is most needed. 45,000 BTU Portable Radiant Heater