Abstract: A mobile fossil fuel heating device allows almost any indoor or outdoor area to be heated with radiant heat. A radiant tube gas burning heater is mounted on a wheeled carriage for rotation about a horizontal axis so that the radiating face of the heater may be positioned in a desired orientation. Once positioned, the heater is held in that position by a clamp arrangement. The fossil fuel for powering the heater may comprise a number of propane tanks mounted on the carriage, and shielded from the heater by infrared shields. Hollow shafts mount the heater for rotation, and a fuel conduit, and an electrical wire, pass through one of the shafts to supply fuel and power to the heater while not interfering with the rotation of the heater.