DAYTON, Wheeled Mounted, 13,500 sq ft Heating Area, Portable Oil and Kerosene Torpedo Heater - 4XA50|4XA50 - Grainger
Amazon.com: K Tool International KTI77780 Portable Kerosene/Diesel Torpedo Heater with Thermostat Temp Control for Warehouse, Construction Site, Garage, Patio, Shop, and Jobsite, 125,000 BTU, Forced Air, Black : Patio, Lawn & Garden