This powerful 360,000 BTU indirect-fired oil heater delivers clean, dry heat for construction sites and temporary heating applications. The indirect firing system separates combustion gases from the heated air, providing 100% fresh, breathable heat without adding moisture or fumes to your workspace. With a robust heating capacity and 3,500 CFM airflow, this unit efficiently warms large areas up to 9,000 square feet while its durable construction withstands harsh jobsite conditions. The versatile design allows for ducting options up to 100 feet, enabling strategic heat distribution exactly where needed.