The Sure Flame IX1500 is a 1,500,000 BTU/h indirect-fired heater delivering 20,500 CFM airflow. It operates on propane or natural gas, featuring a quick-change fuel selector. With 82% efficiency, it offers a 95°C heat rise and supports ducting up to 400 ft. Equipped with advanced electronics, OLED display, and telematics capability, its compact design ensures easy transport.