Conquer the cold in large spaces with this powerful 175,000 BTU forced air heater, engineered to deliver massive warmth across areas up to 1060m³. Designed for ultimate versatility, it runs on multiple fuel types including K-1 kerosene and various diesel or fuel oils, with K-1 recommended for peak performance. The massive 13.5-gallon fuel tank provides up to 8 hours of continuous heating, making it perfect for long shifts on construction sites, in barns, or warehouses. Built with a rugged combination of stainless steel and cold-rolled plate, it reliably operates in extreme temperatures from -13°F to 149°F. Safety is paramount, featuring an integrated thermostat, overheat auto-shutdown, flameout protection, and a reinforced safety guard to ensure secure operation in demanding environments.