The SUNIFRE SF120 offers a low noise, odorless, zero CO emissions, and a dust free heating experience. The SF120 provides 120,000 BTUs of powerful infrared radiant heat for indoor and outdoor portable heating applications. Popular uses include automotive, construction, warehouses, agriculture, outdoor events, shops, garages, and many other commercial and industrial heating needs. Optionally connect a standard mechanical or battery-operated wall thermostat to regulate temperature in a shop, garage, or warehouse. This heater has dual fuel capabilities to run on diesel/#2 fuel oil or kerosene. Zero CO emissions achieved with properly tuned burner and at steady state temperature. Made in the USA.