New Sold Out Dura Heat Forced Air Heater 400K BTU, Kerosene/Electric, Commercial, 8500 Sq Ft Heat - DFA400T Dura Heat Forced Air Heater, 400,000 BTU, Electric & Kerosene, Heats 8500 Sq Ft, Commercial Grade, 13" Pneumatic Wheels, Built-in Thermostat, LED Diagnostics The Dura Heat Forced Air Heater is built for maximum performance in harsh conditions... $1,478.00 Out of stock Add to Wish list Compare