Desa F350 is a high-pressure heater intended for use with adequate ventilation and proper electrical power. It has a BTU rating of 350,000 per hour and can deliver 1600 CFM. The fuel used should be kerosene or No. 1 fuel oil and has a 30 U.S. Gallons tank capacity. The motor is 1/3 HPO and 1725 RPM. The Desa F350 also has a thermostat to help maintain the desired temperature.